CN102634704B - Noncorrosive compression-resisting explosion-suppressing material and preparation method thereof - Google Patents
Noncorrosive compression-resisting explosion-suppressing material and preparation method thereof Download PDFInfo
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- CN102634704B CN102634704B CN 201210138477 CN201210138477A CN102634704B CN 102634704 B CN102634704 B CN 102634704B CN 201210138477 CN201210138477 CN 201210138477 CN 201210138477 A CN201210138477 A CN 201210138477A CN 102634704 B CN102634704 B CN 102634704B
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Abstract
The invention belongs to a noncorrosive compression-resisting explosion-suppressing material and a preparation method thereof. The noncorrosive compression-resisting explosion-suppressing material comprises the following compositions: 0.03-0.08 parts of Si, 0.03-0.05 parts of Fe, 0.02-0.04 parts of Cu, 0.9-1.5 parts of Mn, 0.9-1.5 parts of Mg, 0.09-0.15 parts of Zn, 0.09-0.12 parts of Ce and the balance Al. A rare earth film layer is arranged on an outer layer of a prepared honeycomb netted explosion-suppressing material. The explosion-suppressing material provided by the invention has excellent corrosion resistance, extrusion resistance, collapse prevention, zero dreg-falling, and high-strength explosion-suppressing property. The performance indexes of the explosion-suppressing material,such as strength, plasticity, fracture toughness and fatigue resistance, are greatly increased according to the preparation method; the technology is simple and is easily performed; and the service life of the explosion-suppressing material is prolonged.
Description
Technical field
The invention belongs to a kind of novel corrosion resistant resistance to compression explosion-suppressing material and preparation method thereof.
Background technology
Explosion-suppressing material is to be installed in to be the netted bulkiness material of honeycomb in the inflammable and explosive fluid storage container, is can prevent or a kind of functional materials of inflammable and explosive fluid generation combustion explosion.
Present explosion-suppressing material is based on aluminum alloy explosion suppression material.In the inflammable and explosive fluid storage container behind the placing aluminium alloy explosion-suppressing material, because the mesh in the explosion-suppressing material lamination is formed polynuclear plane, the fuel tank inner chamber is divided into many very little " little compartments ", these " little compartments " can contain flame transmission, simultaneously, this polynuclear plane has thermal conductivity preferably in unit volume, to fall with the most heat absorption that promptly burning discharged, outlet temperature after the combustion reactions is reduced greatly, the degrees of expansion of reactant gases is for dwindling, and the force value of container increases not quite.Therefore aluminum alloy explosion suppression material has good datonation-inhibition function.
But the shortcoming of present explosion-suppressing material is that the material internal crystallization is big, and is not tight, crisp firmly, do not have a piece of wood serving as a brake to halt a carriage and extensibility, and disintegrating slag is fallen in fracture easily.And whole honeycomb Web materials is put in fuel tank, the punching press of rocking owing to oil in the case, very easily cause subsiding of explosion-suppressing material, it is the netted compression of whole honeycomb, cause it to lose datonation-inhibition function, and whole honeycomb netted can pressurized in the process of subsiding fragmentation fall slag, fall slag and can seriously the fuel tank oil circuit be stopped up, often cause oil circuit lighting a fire not, have a strong impact on quality.Overcoming above-mentioned defective, is the problem of the urgent solution in various countries for many years.
On the other hand, because the limitation of petroleum resources supply is used other extract, add in the gasoline as additive as methyl alcohol, to reduce the effective means that the consumption of gasoline has been become energy-saving and emission-reduction method.But additive makes gasoline be slightly acidic mostly, and the honeycomb Web materials is put in this class fuel tank and very easily caused corrosion, loses datonation-inhibition effect, the reduction in work-ing life.
Summary of the invention
The purpose of this invention is to provide a kind of corrosion resistant resistance to compression explosion-suppressing material and preparation method thereof, have good corrosion-resistant, anti-extrusion, anti-subside, do not have slag and the high datonation-inhibition function of intensity with the explosion-suppressing material of this method preparation, and this method can increase substantially performance index such as the intensity, plasticity of explosion-suppressing material, corrosion-resistant, fracture toughness, fatigue resistance, technology is simple and easy to do, prolongs the work-ing life of explosion-suppressing material.
For this reason, the chemical component weight per-cent of corrosion resistant resistance to compression explosion-suppressing material of the present invention is: Si0.03～0.08, Fe0.03～0.05, Cu0.02～0.04, Mn0.9～1.5, Mg0.9～1.5, Zn0.09～0.15, Ce0.09～0.12, Al surplus; Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making.
The chemical component weight per-cent of preferred corrosion resistant resistance to compression explosion-suppressing material of the present invention is: Si0.05～0.07, Fe0.04～0.05, Cu0.03～0.04, Mn1.3～1.5, Mg1.3～1.5, Zn0.12～0.14, Ce0.09～0.11, Al surplus; Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making.
The preparation method of corrosion resistant resistance to compression explosion-suppressing material of the present invention, comprising packs the explosion-suppressing material of above-mentioned chemical ingredients to heat 730 ℃～750 ℃ in the smelting furnace into changes into liquid state, through slagging-off degasification, base, mill face, once annealing, hot rolling, cold rolling foliation material, second annealing and punching press and crack, stretch and namely make explosion-suppressing material, it is characterized in that: also comprise
(1) with the explosion-suppressing material alkali cleaning;
(2) preparation rare earth immersion liquid, the rare earth immersion liquid contains the La (NO of 0.05～0.09mol/L
3)
3Ce (NO with 0.09～0.12mol/L
3)
3Mixing solutions;
(3) explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, as anode, put 8～12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, 40～45 ℃ of temperature get the explosion-suppressing material of plated film;
(4) explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere, 200～350 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
Alkali cleaning is for to insert explosion-suppressing material in the NaOH solution of 50～60g/L in the described step (1), 60～80 ℃ of temperature, time 0.4～0.5min.Mixing solutions described in the described step (2) is acid liquid or non-aqueous liquid.
The said structure design has realized purpose of the present invention.
Advantage of the present invention is: have good corrosion-resistant, anti-extrusion, anti-subside, do not have slag and the high datonation-inhibition function of intensity with the explosion-suppressing material of this method preparation, and this method can increase substantially performance index such as corrosion-resistant, the intensity, plasticity, fracture toughness, fatigue resistance of explosion-suppressing material, technology is simple and easy to do, can save energy, reduce cost, prolong the work-ing life of explosion-suppressing material.
The explosion-suppressing material internal crystallization that produces with method of the present invention changes and evenly, the inner thick uneven grain tissue of explosion-suppressing material can be processed as tiny uniform formation, and outside it, be coated with La-Ce rare earth film, thereby increase substantially corrosion-resistant, intensity, plasticity, the fracture toughness of explosion-suppressing material, performance index such as fatigue strength, good retardance and heat-absorbing action are arranged, can suppress or prevent the generation that inflammable gas fires effectively.
The special construction of this explosion-suppressing material and excellent conducting performance prevent in the oil tank of vehicle, oil tank because factors such as fuel flows, impact produce static, thereby can avoid the blast accident because of the static initiation.
This explosion-suppressing material can significantly reduce the shaking degree of liquid in container fuel, thereby can alleviate fuel significantly to the impact fracture of container.In addition, in mishap, just in case container is run-down, this material can slow down the speed that leaks of liquid fuel, for repairing gains time.
This explosion-suppressing material stable chemical performance is not fallen slag, is not stopped up oil circuit in processing and the use, solidity to corrosion is strong, and container inner medium is not had any detrimentally affect, thereby can not influence the use properties of fuel; In the use also without any need for logistic maintenance and maintenance.This material not only can be used for reservoirs such as oil product, liquefied petroleum gas (LPG), also can be used in the inflammable and explosive fluid containers such as propane, acetone, ethanol, acetylene.
Embodiment
The chemical component weight per-cent of corrosion resistant resistance to compression explosion-suppressing material of the present invention is: Si0.03～0.08, Fe0.03～0.05, Cu0.02～0.04, Mn0.9～1.5, Mg0.9～1.5, Zn0.09～0.15, Ce0.09～0.12, Al surplus; Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making.
The chemical component weight per-cent of preferred corrosion resistant resistance to compression explosion-suppressing material of the present invention is: Si0.05～0.07, Fe0.04～0.05, Cu0.03～0.04, Mn1.3～1.5, Mg1.3～1.5, Zn0.12～0.14, Ce0.09～0.11, Al surplus; Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making.
The preparation method of corrosion resistant resistance to compression explosion-suppressing material of the present invention, comprising packs the explosion-suppressing material of above-mentioned chemical ingredients to heat 730 ℃～750 ℃ in the smelting furnace into changes into liquid state, through slagging-off degasification, base, mill face, once annealing, hot rolling, cold rolling foliation material, second annealing and punching press and crack, stretch and namely make explosion-suppressing material, it is characterized in that: also comprise
(1) with the explosion-suppressing material alkali cleaning;
(2) preparation rare earth immersion liquid, the rare earth immersion liquid contains the La (NO of 0.05～0.09mol/L
3)
3Ce (NO with 0.09～0.12mol/L
3)
3Mixing solutions;
(3) explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, as anode, put 8～12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, 40～45 ℃ of temperature get the explosion-suppressing material of plated film;
(4) explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere, 200～350 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
Alkali cleaning is for to insert explosion-suppressing material in the NaOH solution of 50～60g/L in the described step (1), 60～80 ℃ of temperature, time 0.4～0.5min.Mixing solutions described in the described step (2) is acid liquid or non-aqueous liquid.
Specific embodiments: the chemical component weight per-cent of getting preferred corrosion resistant resistance to compression explosion-suppressing material is: Si0.05～0.07, Fe0.04～0.05, Cu0.03～0.04, Mn1.3～1.5, Mg1.3～1.5, Zn0.12～0.14, Ce0.09～0.11, Al surplus.The explosion-suppressing material of above-mentioned chemical ingredients packed into to heat 730 ℃～750 ℃ in the smelting furnace change into liquid state, liquid 730 ℃～750 ℃ 1 hour residence time; Above-mentioned liquid material is adopted nitrogen purge method (being traditional method) slagging-off degasification, after static 0.8 hour, pour into and cast one ton blank in the crystallizer; After the cooling, blank is milled face with the shaving machine, mill face thickness 0.1～1mm, pure to keep it; To mill blank behind the face and pack into and heat to 360 ℃ in the annealing furnace, be incubated 5 hours, finish annealing process one time; The blank of annealing that will heat up again adopts the hot rolling method, and 360 ℃ of hot-rolled temperatures become thickness 6～6.5mm with hot mill rolling, the thin stock volume of wide 40～900mm; The thin stock volume is rolled 0.08～0.2 millimeter of thickness with cold-rolling mill, and the aluminium foil blank itemize bundling of width 40～900mm is divided into bar with volume with wide; Above-mentioned aluminium foil blank inserted again carries out second annealing in the annealing furnace, 360 ℃ of second annealing temperature, reach 360 ℃ after insulation 8 hours; Aluminium foil is come out of the stove, and naturally cooling cracks, stretches through the stamping machine punching press under the normal temperature and namely makes explosion-suppressing material.
Explosion-suppressing material is inserted in the NaOH solution of 50～60g/L 60～80 ℃ of temperature, alkali cleaning time 0.4～0.5min.
Explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, and the rare earth immersion liquid contains the La (NO of 0.07mol/L
3)
3Ce (NO with 0.1mol/L
3)
3Mixed ethanol solution as anode, is put the 12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, and 40～45 ℃ of temperature get the explosion-suppressing material of plated film; The explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere (nitrogen or argon gas), and 300 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
Rotproofness test shows explosion-suppressing material of the present invention is in the solution of the NaCl of 0.6mol/L, and spot corrosion does not appear in 150d.Erosion rate descends about 130 times.
Other mark that the present invention produces explosion-suppressing material refers to and has explosion-suppressing material A (x explosion-proof factory in Beijing produces) now, B (Shanghai x factory products), and the performance of C (U.S.'s product) kind is analyzed.
Table
Table comparison shows that the explosion-suppressing material that obtains with the present invention is strong with tensile strength, the surrender of existing explosion-suppressing material, fatigue strength and plasticity is all than the performance height of existing explosion-suppressing material.Work-ing life of the present invention, relatively product prolonged 2～4 times, and kept good datonation-inhibition function in the usage period.
In a word, explosion-suppressing material of the present invention has good corrosion-resistant, anti-extrusion, anti-subside, do not have slag and the high datonation-inhibition function of intensity, and this method can increase substantially performance index such as the intensity, plasticity, fracture toughness, fatigue resistance of explosion-suppressing material, technology is simple and easy to do, prolongs the work-ing life of explosion-suppressing material.
Claims (5)
1. corrosion resistant resistance to compression explosion-suppressing material is characterized in that:
The chemical component weight per-cent of explosion-suppressing material is Si0.03～0.08, Fe0.03～0.05, Cu0.02～0.04, Mn0.9～1.5, Mg0.9～1.5, Zn0.09～0.15, Ce0.09～0.12, Al surplus;
Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making; The described method that is provided with the rare earth rete is,
(1) with the explosion-suppressing material alkali cleaning;
(2) preparation rare earth immersion liquid, the rare earth immersion liquid contains the La (NO of 0.05～0.09mol/L
3)
3Ce (NO with 0.09～0.12mol/L
3)
3Mixing solutions;
(3) explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, as anode, put 8～12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, 40～45 ℃ of temperature get the explosion-suppressing material of plated film;
(4) explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere, 200～350 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
2. by the described corrosion resistant resistance to compression of claim 1 explosion-suppressing material, it is characterized in that: the chemical component weight per-cent of described explosion-suppressing material is Si0.05～0.07, Fe0.04～0.05, Cu0.03～0.04, Mn1.3～1.5, Mg1.3～1.5, Zn0.12～0.14, Ce0.09～0.11, Al surplus;
Be provided with the rare earth rete at the netted explosion-suppressing material outer layer surface of the honeycomb of making; The described method that is provided with the rare earth rete is,
(1) with the explosion-suppressing material alkali cleaning;
(2) preparation rare earth immersion liquid, the rare earth immersion liquid contains the La (NO of 0.05～0.09mol/L
3)
3Ce (NO with 0.09～0.12mol/L
3)
3Mixing solutions;
(3) explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, as anode, put 8～12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, 40～45 ℃ of temperature get the explosion-suppressing material of plated film;
(4) explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere, 200～350 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
3. preparation method who prepares the described corrosion resistant resistance to compression of claim 1 explosion-suppressing material, comprising packs the explosion-suppressing material of above-mentioned chemical ingredients to heat 730 ℃～750 ℃ in the smelting furnace into changes into liquid state, through slagging-off degasification, base, mill face, once annealing, hot rolling, cold rolling foliation material, second annealing and punching press and crack, stretch and namely make explosion-suppressing material, it is characterized in that: also comprise
(1) with the explosion-suppressing material alkali cleaning;
(2) preparation rare earth immersion liquid, the rare earth immersion liquid contains the La (NO of 0.05～0.09mol/L
3)
3Ce (NO with 0.09～0.12mol/L
3)
3Mixing solutions;
(3) explosion-suppressing material is inserted in the groove that is placed with the rare earth immersion liquid, as anode, put 8～12V current potential with Graphite Electrodes on explosion-suppressing material, electrophoretic deposition 30～35 seconds, 40～45 ℃ of temperature get the explosion-suppressing material of plated film;
(4) explosion-suppressing material of plated film is inserted in the drying oven under the inert gas atmosphere, 200～350 ℃ of temperature are incubated 30～40 minutes, must be coated with the explosion-suppressing material of La-Ce rare earth film.
4. preparation method according to claim 3 is characterized in that: in the described step (1) alkali cleaning for explosion-suppressing material is inserted in the NaOH solution of 50～60g/L, 60～80 ℃ of temperature, time 0.4～0.5min.
5. preparation method according to claim 3, it is characterized in that: the mixing solutions described in the described step (2) is acid liquid or non-aqueous liquid.
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| CN103540988A (en) * | 2013-10-31 | 2014-01-29 | 江苏三科安全科技有限公司 | Manufacture process of barrier explosion-proof aluminum alloy |
| CN109266030A (en) * | 2018-08-29 | 2019-01-25 | 佛山市禅城区诺高环保科技有限公司 | A kind of preparation method of explosion-suppressing material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200771A (en) * | 1995-09-18 | 1998-12-02 | 凯泽铝和化学公司 | Method for making beverage can, its top sheet and its pull ring |
| CN1904103A (en) * | 2006-08-02 | 2007-01-31 | 王季庄 | Production method of explosion inhibiting material |
| CN101684567A (en) * | 2008-09-23 | 2010-03-31 | 复旦大学 | Method for improving corrosion resistance of aluminium alloys by carrying out electrophoretic deposition on rare earth films |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200771A (en) * | 1995-09-18 | 1998-12-02 | 凯泽铝和化学公司 | Method for making beverage can, its top sheet and its pull ring |
| CN1904103A (en) * | 2006-08-02 | 2007-01-31 | 王季庄 | Production method of explosion inhibiting material |
| CN101684567A (en) * | 2008-09-23 | 2010-03-31 | 复旦大学 | Method for improving corrosion resistance of aluminium alloys by carrying out electrophoretic deposition on rare earth films |
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