CN109437575A - A kind of glass microballoon and preparation method thereof in titanium or titanium alloy hot extrusion glass protecting lubricant - Google Patents
A kind of glass microballoon and preparation method thereof in titanium or titanium alloy hot extrusion glass protecting lubricant Download PDFInfo
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- CN109437575A CN109437575A CN201811561859.4A CN201811561859A CN109437575A CN 109437575 A CN109437575 A CN 109437575A CN 201811561859 A CN201811561859 A CN 201811561859A CN 109437575 A CN109437575 A CN 109437575A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/10—Forming beads
- C03B19/1005—Forming solid beads
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/12—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/105—Silica
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Abstract
The invention belongs to titanium or titanium alloy profile preparation field, the glass microballoon in a kind of titanium or titanium alloy hot extrusion glass protecting lubricant is disclosed.The glass microballoon includes: barium monoxide or 5~10 parts of 3~8 parts of barium carbonate, 30~45 parts of silica, calcium oxide or calcium carbonate, 20~30 parts of sodium oxide molybdena, 0~10 part of potassium oxide, 10~25 parts of borax, 3~5 parts of magnesia, 1~5 part of aluminium oxide according to the mass fraction.The invention also discloses the preparation methods of the glass microballoon, and preparation method is simple, are suitable for industrial mass production.Glass microballoon softening temperature≤700 DEG C prepared by this method, in 780 DEG C~880 DEG C of viscosity-temperature coefficients at 0.06 DEG C‑1~0.03 DEG C‑1, the viscosity in 800 DEG C~1200 DEG C sections is 20~100Pas, and circularity is high, and good fluidity can be widely used for titanium or titanium alloy hot extrusion molding field of lubricant.
Description
Technical field
The present invention relates to titanium or titanium alloy profile preparation fields, and in particular to a kind of titanium or titanium alloy hot extrusion is anti-with glass
Protect the glass microballoon and preparation method thereof in lubricant.
Background technique
Titanium or titanium alloy has that specific strength is high, medium temperature performance is good and the excellent characteristics such as corrosion-resistant, various specifications it is seamless
Tubing is used widely in the industries such as Aeronautics and Astronautics, chemical industry, petroleum, nuclear electric power generation, sea water desalination, building.Hot extrusion
It is the important procedure in pure titanium or titanium alloy seamless tubular goods production, precise extrusion molding is to guarantee extrusion very good mechanical properties
Important means.Titanium or titanium alloy will appear during extrusion process than the materials poor in processability such as steel, nickel alloy, stainless steel
Processing hardening phenomenon is easy to generate with mold during friction and sticks together, shifts and formed adhesive wear, generates various lack
It falls into, mold is easy to produce scratch, or even is used only once and just scraps.Only mold, extrusion cylinder, extruding plug are carried out rationally
Lubrication, coefficient of friction is reduced to minimum, the hot extrusion technique of titanium or titanium alloy could be realized smoothly.
Currently, mainly using copper-clad lubrication and glass powder lubrication in titanium or titanium alloy profile hot extrusion production.Copper-clad lubrication
The problems such as there are copper-clad sets to rupture, high production cost and copper recycling pollution environment.Currently, developed country's titanium or titanium alloy profile is forged
Pressure and tube extrusion mostly use glass lubricant, and implement strict technology blockage to China.Patent No.
The patent of invention of ZL201310481682.8 discloses " a kind of glass hot extrusion of titanium alloy section bar glass lubricant ", main special
For 900 DEG C~1200 DEG C hot extrusion of titanium alloy section bar.But different processing temperatures needs different types of glass lubrication
The greasy property of agent, different glass lubrication agent prescription complexity and existing lubricant needs to be further increased.
Summary of the invention
Present invention is primarily aimed at the glass provided in a kind of titanium or titanium alloy hot extrusion glass protecting lubricant is micro-
Pearl and preparation method thereof for different processing temperatures and further increases greasy property.
The present invention is achieved through the following technical solutions: in a kind of titanium or titanium alloy hot extrusion glass protecting lubricant
Glass microballoon, according to the mass fraction, the glass microballoon includes: barium monoxide or 3~8 parts of barium carbonate, silica 30~45
Part, calcium oxide or 5~10 parts of calcium carbonate, 20~30 parts of sodium oxide molybdena, 0~10 part of potassium oxide, 10~25 parts of borax, magnesia 3~5
Part, 1~5 part of aluminium oxide.
Further, the glass microballoon is according to the mass fraction, comprising: barium monoxide or 4~6 parts of barium carbonate, silica
6~8 parts of 35~40 parts, calcium oxide or calcium carbonate, 25~28 parts of sodium oxide molybdena, 1~5 part of potassium oxide, 15~20 parts of borax, magnesia
3~5 parts, 2~4 parts of aluminium oxide.
A kind of preparation method of glass microballoon in titanium or titanium alloy hot extrusion glass protecting lubricant, including walk as follows
It is rapid:
Step a: being mixed after weighing glass microballoon each component, and export water quenching is dried again after heating fusing, clarification, homogenizing
And crushing, glass raw material is made；The glass microballoon includes: barium monoxide or 3~8 parts of barium carbonate, titanium dioxide according to the mass fraction
5~10 parts of 30~45 parts of silicon, calcium oxide or calcium carbonate, 20~30 parts of sodium oxide molybdena, 0~10 part of potassium oxide, 10~25 parts of borax, oxygen
Change 3~5 parts of magnesium, 1~5 part of aluminium oxide.
Step b: glass raw material obtained in the step a is preheated；By preheated glass raw material heating fusing, ball
Change, then cooled down, glass microballoon is made；
Step c: glass microballoon obtained by the step b is sent into annealing furnace and is made annealing treatment.Further, the step
The temperature setting melted in kiln in rapid a is 1300~1450 DEG C；Glass raw material partial size made from the step a be 50~
250 microns.
Further, the temperature that fusing is heated in the step a is 1300~1450 DEG C；Glass made from the step a
Raw material particle size is 50~250 microns.
Further, the preheating temperature of glass raw material is 600~700 DEG C in the step b；Glass is former in the step b
The fusing of material, nodularization temperature are 2000~2500 DEG C.
Further, the temperature setting of annealing furnace is 600~700 DEG C in the step c.
Further, the step a is carried out in kiln, and the kiln includes kiln burner 1, melting tank 2, clarifying basin
3 and discharge port 4, each component melted in the melting tank 2, in the clarifying basin 3 clarify after from the discharge port 4 discharge.
Further, the step b is carried out in beading stove, and the beading stove includes constant temperature preheating furnace 5, burner hearth 7, burns rifle
8, circulating cooling water jacket 14, cooling diffuser casing 10 and air-introduced machine 12；The side wall of the burner hearth 7 offers feeding port 6 and burns muzzle
84, the feeding port 6 is located at the top for burning muzzle 84；The constant temperature preheating furnace 5 is connected to the feeding port 6；The burning
Combustion-supporting gas channel 81, blast tube 82 and air duct 83, the combustion-supporting gas channel 81, the combustion gas are provided in rifle 8
Channel 82 and the air duct 83 are connected to the burning muzzle 84；7 upper end of burner hearth and cooling 10 lower end of diffuser casing
Connection, 7 lower end of burner hearth are provided with air distribution outlet 9, and cooling 10 upper end of diffuser casing is provided with air piping 11, the air piping
11 are connected to the air-introduced machine 12；Collector 13 is additionally provided with below the cooling diffuser casing 10.
Further, the step b includes: to be heated to glass raw material made from the step a in constant temperature preheating furnace 5
600~700 DEG C；The burner hearth 7 is heated to 2000~2500 DEG C；The preheated glass raw material is sent into through feeding port 6
In preheated burner hearth 7, glass raw material melted by heat in burner hearth 7, because of the surface tension nodularization of itself, subsequently into cold
But the cooling obtained glass microballoon of diffuser casing 10, the glass microballoon are scattering into collector 13.
Further, the step of burner hearth 7 being heated to 2000~2500 DEG C are as follows: with 10~50m3The speed of/S will fire
Gas leads into burning rifle 8, and with 30~150m3The speed of/S leads to combustion-supporting gas into rifle 8 is burnt, and makes the combustion gas and the combustion-supporting gas
It is mixed in the burning rifle 8, mixed gas is burning the burning of muzzle 84, and the length of flame that muzzle 84 is burnt in adjustment is 3~5m, is made
The temperature of burner hearth 7 reaches 2000~2500 DEG C.
Softening temperature≤700 DEG C of glass microballoon of the present invention exist in the viscosity-temperature coefficient of 780 DEG C~880 DEG C of section glass
0.06℃-1~0.03 DEG C-1, the viscosity in 800 DEG C~1200 DEG C sections is 20~100Pas.The glass microballoon melt and TA2 are pure
The angle of wetting θ < 30 of the titanium alloy blanks such as titanium and TC4o, thermal diffusion coefficient is 2.0~5.0 × 10-7m2/ s, static friction coefficient μ
=0.02~0.04.Glass microballoon of the present invention can be used for preparing titanium or titanium alloy hot extrusion glass protecting lubricant, prepared
Lubricant use temperature range is 780 DEG C~880 DEG C, be can be used as in the titanium alloys hot extrusion glass protecting lubricant such as TA2
Glass ingredient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of glass raw material processing kiln；
Fig. 2 is the structural schematic diagram of glass microballoon beading stove；
Fig. 3 is the structural schematic diagram for burning rifle.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail.
Glass microballoon in titanium or titanium alloy hot extrusion glass protecting lubricant of the present invention, according to the mass fraction, comprising:
Barium monoxide or 5~10 parts of 3~8 parts of barium carbonate, 30~45 parts of silica, calcium oxide or calcium carbonate, 20~30 parts of sodium oxide molybdena, oxygen
Change 0~10 part of potassium, 10~25 parts of borax, 3~5 parts of magnesia, 1~5 part of aluminium oxide.
Preferably, which includes: barium monoxide or 4~6 parts of barium carbonate, silica 35~40 according to the mass fraction
Part, calcium oxide or 6~8 parts of calcium carbonate, 25~30 parts of sodium oxide molybdena, 1~5 part of potassium oxide, 15~20 parts of borax, magnesia 3~5
Part, 2~4 parts of aluminium oxide.Wherein, the raw material of silica can be quartz sand, and the raw material of aluminium oxide can be pyrophillite
Or kaolin, the raw material of calcium oxide are lime stone or calcite, the raw material of magnesia can be dolomite, the original of sodium oxide molybdena
Material can be soda ash or feldspar.
The preparation method of above-mentioned glass microballoon, comprising the following steps: step a: it is mixed after weighing glass microballoon each component
It closes, export water quenching carries out dries pulverizing again after heating fusing, clarification, homogenizing, and glass raw material is made.Wherein, the group of glass microballoon
Divide and match specifically: barium monoxide or 3~8 parts of barium carbonate, 30~45 parts of silica, calcium oxide or 5~10 parts of calcium carbonate, oxygen
Change 20~30 parts of sodium, 0~10 part of potassium oxide, 10~25 parts of borax, 3~5 parts of magnesia, 1~5 part of aluminium oxide.Wherein, heating is molten
The temperature of change is 1300~1450 DEG C, and it is 50~250 micro- that glass raw material, which can be further classified with screening machine and obtain partial size, after crushing
Rice.
Step b: glass raw material obtained in the step a is preheated；By preheated glass raw material heating fusing, ball
Change, then cooled down, glass microballoon is made.Preferably, the preheating temperature of glass raw material may be configured as 600~700 DEG C, preheating
It is melted in the high temperature of 2000~2500 DEG C good of glass raw material investment, nodularization.
Step c: glass microballoon obtained by the step b being sent into annealing furnace and is made annealing treatment, the temperature of annealing furnace
Preferably 600~700 DEG C of degree.
Glass microballoon of the present invention can be using existing published glass microballoon production equipment preparation, preferably, this hair
It is bright that a kind of production system of glass microballoon is also provided.The glass microballoon production system includes batch mixer, kiln, dryer, crushing
Machine, annealing furnace and beading stove.
Wherein, the preferred glass furnace for pure oxygen combustion of kiln.As shown in Figure 1, kiln include kiln burner 1, melting tank 2,
Clarifying basin 3 and discharge port 4, discharge port 4 are provided on clarifying basin 3.Each component uses batch mixer in step a after preparing in proportion
It is mixed, kiln is sent into after mixing.Each component melts in the melting tank 2 of kiln, from discharge port after clarifying in clarifying basin 3
4 discharge, and export water quenching after homogenizing, enter back into dryer and dried, the mix powder dried.Mixture after drying
Powder is sent into airslide disintegrating mill and is crushed, and is sieved and the glass raw material that partial size is 50~250 microns is made.
As shown in Figures 2 and 3, beading stove includes constant temperature preheating furnace 5, burner hearth 7, burns rifle 8, circulating cooling water jacket 14, cooling expansion
Room 10 and air-introduced machine 12 are dissipated, circulating cooling water jacket 14 and the setting of burning rifle 8 are in 7 outside of burner hearth.The side wall of burner hearth 7 offers feeding port
6 are located at the top for burning muzzle 84 with burning muzzle 84, feeding port 6, and constant temperature preheating furnace 5 is connected to feeding port 6.It burns in rifle 8 and is provided with
Combustion-supporting gas channel 81, blast tube 82 and air duct 83, combustion-supporting gas channel 81, blast tube 82 and air duct 83 connect
It passes to and burns muzzle 84, mixed gas is burning the burning of muzzle 84.7 upper end of burner hearth is connected to cooling 10 lower end of diffuser casing, burner hearth 7
Lower end is provided with air distribution outlet 9, and cooling 10 upper end of diffuser casing is provided with air piping 11, and air piping 11 is connected to air-introduced machine 12.It is cooling
Collector 13 is additionally provided with below diffuser casing 10.When work, air-introduced machine 12 is opened, air-flow autogamy air port 9 is successively through burner hearth 7, cold
But diffuser casing 10, air piping 11 and air-introduced machine 12 circulate.
Step b is mainly carried out in beading stove, and beading stove burner hearth 7 needs to be previously heated to 2000~2500 before use
℃.Firstly, with 10~50m3The speed of/S leads to combustion gas into burning rifle 8, and with 30~150m3The speed of/S by combustion-supporting gas lead into
Rifle 8 is burnt, mixes combustion gas and combustion-supporting gas in burning rifle 8, mixed gas is burning the burning of muzzle 84, adjusts and burns muzzle 84
The length of flame is 3~5m, and the temperature of burner hearth 7 is made to reach 2000~2500 DEG C.Meanwhile by glass raw material made from step a in perseverance
600~700 DEG C of preset temperature is heated in warm preheating furnace 5, preheated glass raw material is sent to preheated by feeding port 6
Beading stove burner hearth 7 in, into burn muzzle flash top internal flame position, under the drive of flame and air-flow, glass raw material
The bottom-up flowing in burner hearth 7, the melted by heat in flow process, the surface tension of glass raw material after fusing because of its own
And nodularization, it is quickly cooled to glass microballoon subsequently into cooling diffuser casing 10, is scattering into collector 13.
It is illustrated below in conjunction with specific embodiment, number described in embodiment is mass fraction.
Embodiment 1
Step a: weigh 40 parts of silica, 5 parts of barium monoxide, 6 parts of calcium oxide, 25 parts of sodium oxide molybdena, 15 parts of borax, 4 parts of magnesia,
4 parts of aluminium oxide.After preparing raw material according to aforementioned proportion, it is mixed with batch mixer, kiln is sent into after mixing.Each component
1400 fusing DEG C in the melting tank 2 of kiln, discharges after clarifying in clarifying basin 3 from discharge port 4, exports water quenching after homogenizing, then
It is dried into dryer, the mix powder dried.Powder after drying is sent into airslide disintegrating mill and is crushed, mistake
It sieves and the glass raw material that partial size is 50~250 microns is made.
Step b:(1) beading stove is before use, with 10~50m3The speed of/S leads to combustion gas into burning rifle 8, and with 30~150m3/
The speed of S leads to combustion-supporting gas into rifle 8 is burnt, and mixes combustion gas and combustion-supporting gas in burning rifle 8, and mixed gas is burning muzzle
84 burnings, the length of flame that muzzle 84 is burnt in adjustment is 3~5m, and the temperature in beading stove is made to reach 2100 DEG C.(2) burner hearth is preheated
Meanwhile glass raw material made from step a being heated to 620 DEG C of preset temperature in constant temperature preheating furnace 5.It (3) will be preheated
Glass raw material is sent in the burner hearth 7 of preheated beading stove by feeding port 6, and glass raw material, which enters, burns muzzle flash top
Internal flame position.Under the drive of flame, glass raw material bottom-up melted by heat in burner hearth 7；By the surface tension of itself
Nodularization.(4) compound particles after nodularization enter the cooling cooling rapidly of diffuser casing 10, form glass microballoon and are scattering into collector 13
In.
Step c: by glass microballoon collected by the step b, feeding is warming up in 630 DEG C of annealing furnace in advance, presses
Cool down according to the annealing process curve of setting, make annealing treatment, eliminates the stress inside glass microballoon.
Embodiment 2
Step a: weigh 38 parts of silica, 4 parts of barium monoxide, 6 parts of calcium oxide, 25 parts of sodium oxide molybdena, 15 parts of borax, 4 parts of magnesia,
3 parts of aluminium oxide.After preparing raw material according to aforementioned proportion, it is mixed with batch mixer, kiln is sent into after mixing.Each component
1380 DEG C of high temperature meltings in the melting tank 2 of kiln discharge after clarifying in clarifying basin 3 from discharge port 4, export water after homogenizing
It quenches, enters back into dryer and dried, the mix powder dried.Powder after drying is sent into airslide disintegrating mill and carries out powder
It is broken, it is sieved and the glass raw material that partial size is 50~250 microns is made.
Step b:(1) beading stove is before use, with 10~50m3The speed of/S leads to combustion gas into burning rifle 8, and with 30~150m3/
The speed of S leads to combustion-supporting gas into rifle 8 is burnt, and mixes combustion gas and combustion-supporting gas in burning rifle 8, and mixed gas is burning muzzle
84 burnings, the length of flame that muzzle 84 is burnt in adjustment is 3~5m, and the temperature in beading stove is made to reach 2200 DEG C.(2) burner hearth is preheated
Meanwhile glass raw material made from step a being heated to 680 DEG C of preset temperature in constant temperature preheating furnace 5.It (3) will be preheated
Glass raw material is sent in the burner hearth 7 of preheated beading stove by feeding port 6, and glass raw material, which enters, burns muzzle flash top
Internal flame position.Under the drive of flame, glass raw material bottom-up melted by heat in burner hearth 7；By the surface tension of itself
Nodularization.(4) compound particles after nodularization enter the cooling cooling rapidly of diffuser casing 10, form glass microballoon and are scattering into collector 13
In.
Step c: by glass microballoon collected by the step b, feeding is warming up in 650 DEG C of annealing furnace in advance, presses
Cool down according to the annealing process curve of setting, make annealing treatment, eliminates the stress inside glass microballoon.
Embodiment 3
Step a: weigh 36 parts of silica, 4 parts of barium monoxide, 5 parts of calcium oxide, 28 parts of sodium oxide molybdena, 20 parts of borax, 4 parts of magnesia,
3 parts of aluminium oxide.After preparing raw material according to aforementioned proportion, it is mixed with batch mixer, 1420 DEG C of kilns are sent into after mixing.
Each component melts in the melting tank 2 of kiln, discharges after clarifying in clarifying basin 3 from discharge port 4, exports water quenching after homogenizing, then
It is dried into dryer, the mix powder dried.Powder after drying is sent into airslide disintegrating mill and is crushed, mistake
It sieves and the glass raw material that partial size is 50~250 microns is made.
Step b:(1) beading stove is before use, with 10~50m3The speed of/S leads to combustion gas into burning rifle 8, and with 30~150m3/
The speed of S leads to combustion-supporting gas into rifle 8 is burnt, and mixes combustion gas and combustion-supporting gas in burning rifle 8, and mixed gas is burning muzzle
84 burnings, the length of flame that muzzle 84 is burnt in adjustment is 3~5m, and the temperature in beading stove is made to reach 2400 DEG C.(2) burner hearth is preheated
Meanwhile glass raw material made from step a being heated to 660 DEG C of preset temperature in constant temperature preheating furnace 5.It (3) will be preheated
Glass raw material is sent in the burner hearth 7 of preheated beading stove by feeding port 6, and glass raw material, which enters, burns muzzle flash top
Internal flame position.Under the drive of flame, glass raw material bottom-up melted by heat in burner hearth 7；By the surface tension of itself
Nodularization.(4) compound particles after nodularization enter the cooling cooling rapidly of diffuser casing 10, form glass microballoon and are scattering into collector 13
In.
Step c: by glass microballoon collected by the step b, feeding is warming up in 660 DEG C of annealing furnace in advance, presses
Cool down according to the annealing process curve of setting, make annealing treatment, eliminates the stress inside glass microballoon.
Embodiment 4: protecting lubricant is prepared
It prepares lubricant and brushes liquid: weighing glass microballoon, 5 parts of graphite powders, 5 parts of molybdenum disulfide powders prepared by 30 parts of embodiments 1
It is added in liquid adhesive agent, 2h is stirred after addition, obtain lubricant and brush liquid.
It prepares lubricant glass isolator: glass micro mist, 10 parts of graphite prepared by 30 parts of embodiments 1 being added in batch mixer
Powder, 5 parts of molybdenum disulfide powder are sufficiently mixed uniformly, are slowly added to bonding agent, are carried out reconciliation mixing, press in glass isolator mold
Type is made, it is dry, lubricant glass isolator is prepared.
Prepared brushing liquid and glass isolator are applied to the hot extrusion of TA2 titanium tube, protection lubricant effect is good.
Embodiment 5: performance test
(1) softening temperature is tested
Detection method: mother glass micro mist is fitted into test crucible；
Test condition: initial temperature is room temperature, and heating rate is 10 DEG C/min, and atmospheric condition is air；
Use instrument: German Nai Chi company STA-449F3 type thermogravimetric-differential calorimetric scan combined instrument (TG-DSC)；
(2) angle of wetting is tested
Detection method: under vacuum condition, from room temperature to 1100 DEG C, 5min, 10 DEG C/min of heating rate are kept the temperature；
Use instrument: VAF-30 high-temperature moisture angle measuring instrument；
(3) high temperature viscosity-temperature coefficient and viscosity test
Use instrument: High Temperature Rotating viscosity apparatus (Rheotronic II USA)；
Detection method: the fusing of glass microballoon powder, the viscosity-temperature coefficient of 780 DEG C~880 DEG C sections survey glass, 800 DEG C~1100 DEG C
Viscosity is surveyed in section；
(4) thermal diffusion coefficient and the test of static friction coefficient；
Use instrument: HT-1000 type high temperature friction and wear tester；
Detection method are as follows: temperature: 800 °C；Plus load: 2 N；Sample disc size: 25 × 8 mm of φ；Ball: Si3N4 φ
6.3 mm；Sliding speed: 0.08 ms-1；Wear radius: 2mm.
Through detecting, the Glass Bead Diameter of 1-3 of the embodiment of the present invention is 50~250 microns；Softening temperature≤700 DEG C；?
780 DEG C~880 DEG C of viscosity-temperature coefficient is at 0.06 DEG C-1~0.03 DEG C-1, the viscosity in 800 DEG C~1200 DEG C sections is 20~
100Pa·s.The angle of wetting θ < 30 of glass microballoon melt and the pure titanium of TA2 and TC4 titanium alloy and pure titanium blanko, thermal diffusion coefficient
It is 2.0~5.0 × 10-7m2/ s, static friction coefficient μ=0.02~0.04.
In conclusion micro- the present invention is directed to manufacture the glass in a kind of titanium or titanium alloy hot extrusion glass protecting lubricant
Pearl, circularity is high, and good fluidity can be widely used for titanium or titanium alloy hot extrusion molding field of lubricant.The glass microballoon is made
Standby titanium or titanium alloy hot extrusion glass protecting lubricant, use temperature range are 780 DEG C~880 DEG C, and it is pure to can be applied to TA2
The titanium alloys hot extrusion molding such as titanium and TC4.
Above-described embodiment is only preferred embodiment, the protection scope being not intended to limit the invention, in spirit of the invention
With any modifications, equivalent replacements, and improvements made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the glass microballoon in a kind of titanium or titanium alloy hot extrusion glass protecting lubricant, which is characterized in that press mass fraction
Meter, the glass microballoon includes: barium monoxide or 3~8 parts of barium carbonate, 30~45 parts of silica, calcium oxide or calcium carbonate 5~10
Part, 20~30 parts of sodium oxide molybdena, 0~10 part of potassium oxide, 10~25 parts of borax, 3~5 parts of magnesia, 1~5 part of aluminium oxide.
2. the glass microballoon in titanium or titanium alloy hot extrusion glass protecting lubricant as described in claim 1, feature exist
According to the mass fraction, the glass microballoon includes: barium monoxide or 4~6 parts of barium carbonate, 35~40 parts of silica, calcium oxide
Or 6~8 parts of calcium carbonate, 25~28 parts of sodium oxide molybdena, 1~5 part of potassium oxide, 15~20 parts of borax, 3~5 parts of magnesia, aluminium oxide 2
~4 parts.
3. a kind of preparation method of the glass microballoon in titanium or titanium alloy hot extrusion glass protecting lubricant, which is characterized in that
Include the following steps:
Step a: being mixed after weighing glass microballoon each component, and export water quenching is dried again after heating fusing, clarification, homogenizing
And crushing, glass raw material is made；The glass microballoon includes: barium monoxide or 3~8 parts of barium carbonate, titanium dioxide according to the mass fraction
5~10 parts of 30~45 parts of silicon, calcium oxide or calcium carbonate, 20~30 parts of sodium oxide molybdena, 0~10 part of potassium oxide, 10~25 parts of borax, oxygen
Change 3~5 parts of magnesium, 1~5 part of aluminium oxide；
Step b: glass raw material obtained in the step a is preheated；Preheated glass raw material heating is melted, nodularization,
Then it is cooled down, glass microballoon is made；
Step c: glass microballoon obtained by the step b is sent into annealing furnace and is made annealing treatment.
4. the preparation method of glass microballoon as claimed in claim 3, which is characterized in that heat the temperature of fusing in the step a
Degree is 1300~1450 DEG C；Glass raw material partial size made from the step a is 50~250 microns.
5. the preparation method of glass microballoon as claimed in claim 4, which is characterized in that glass raw material is pre- in the step b
Hot temperature is 600~700 DEG C；The fusing of glass raw material, nodularization temperature are 2000~2500 DEG C in the step b.
6. the preparation method of glass microballoon as claimed in claim 5, which is characterized in that the temperature of annealing furnace in the step c
It is set as 600~700 DEG C.
7. the preparation method of glass microballoon as claimed in claim 3, which is characterized in that the step a is carried out in kiln, institute
Stating kiln includes kiln burner (1), melting tank (2), clarifying basin (3) and discharge port (4), and each component is in the melting tank (2)
Interior fusing discharges after clarification from the discharge port (4) in the clarifying basin (3).
8. the preparation method of glass microballoon as claimed in claim 7, which is characterized in that the step b is carried out in beading stove,
The beading stove include constant temperature preheating furnace (5), burner hearth (7), burn rifle (8), circulating cooling water jacket (14), cooling diffuser casing (10) and
Air-introduced machine (12)；The side wall of the burner hearth (7) offers feeding port (6) and burns muzzle (84), and the feeding port (6) is located at described
Burn the top of muzzle (84)；The constant temperature preheating furnace (5) is connected to the feeding port (6)；It is provided in the burning rifle (8) combustion-supporting
Gas passage (81), blast tube (82) and air duct (83), the combustion-supporting gas channel (81), the blast tube (82)
The burning muzzle (84) is connected to the air duct (83)；Under burner hearth (7) upper end and the cooling diffuser casing (10)
End connection, burner hearth (7) lower end are provided with air distribution outlet (9), and cooling diffuser casing (10) upper end is provided with air piping (11),
The air piping (11) is connected to the air-introduced machine (12)；Collector (13) are additionally provided with below the cooling diffuser casing (10).
9. the preparation method of glass microballoon as claimed in claim 8, which is characterized in that the step b includes: by the step
Glass raw material made from a is heated to 600~700 DEG C in constant temperature preheating furnace (5)；The burner hearth (7) is heated to 2000~
2500℃；The preheated glass raw material is sent into preheated burner hearth (7) through feeding port (6), the glass raw material exists
Melted by heat in burner hearth (7), it is micro- subsequently into cooling diffuser casing (10) cooling obtained glass because of the surface tension nodularization of itself
Pearl, the glass microballoon are scattering into collector (13).
10. the preparation method of glass microballoon as claimed in claim 9, which is characterized in that the burner hearth (7) is heated to 2000
~2500 DEG C of the step of are as follows: with 10~50m3The speed of/S leads to combustion gas into burning rifle (8), and with 30~150m3The speed of/S will help
Combustion gas body leads into rifle (8) are burnt, and the combustion gas and the combustion-supporting gas mixing, mixed gas in the burning rifle (8) is made to exist
Muzzle (84) burning is burnt, the length of flame that muzzle (84) are burnt in adjustment is 3~5m, and the temperature of burner hearth (7) is made to reach 2000~2500
℃。
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| CN201811561859.4A CN109437575A (en) | 2018-12-20 | 2018-12-20 | A kind of glass microballoon and preparation method thereof in titanium or titanium alloy hot extrusion glass protecting lubricant |
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| CN201811561859.4A CN109437575A (en) | 2018-12-20 | 2018-12-20 | A kind of glass microballoon and preparation method thereof in titanium or titanium alloy hot extrusion glass protecting lubricant |
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| CN114163133A (en) * | 2021-12-17 | 2022-03-11 | 东北大学 | Glass lubricant for titanium and titanium alloy hot extrusion and preparation method and application thereof |
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Application publication date: 20190308 |