CN101608277A - A kind of electromagnetic/ultrasonic preparation method of in-situ particle reinforced magnesium-based composite material - Google Patents
A kind of electromagnetic/ultrasonic preparation method of in-situ particle reinforced magnesium-based composite material Download PDFInfo
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- CN101608277A CN101608277A CNA2009103028563A CN200910302856A CN101608277A CN 101608277 A CN101608277 A CN 101608277A CN A2009103028563 A CNA2009103028563 A CN A2009103028563A CN 200910302856 A CN200910302856 A CN 200910302856A CN 101608277 A CN101608277 A CN 101608277A
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- composite material
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- magnesium base
- base composite
- electromagnetic
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000011777 magnesium Substances 0.000 title claims abstract description 47
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 46
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 239000002245 particle Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000009749 continuous casting Methods 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 230000001902 propagating effect Effects 0.000 claims abstract description 5
- 238000005275 alloying Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 3
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 3
- 238000001308 synthesis method Methods 0.000 claims abstract description 3
- 230000006698 induction Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 11
- 239000011159 matrix material Substances 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 208000012868 Overgrowth Diseases 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 2
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 15
- 229910000861 Mg alloy Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010952 in-situ formation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
A kind of electromagnetic/ultrasonic preparation method of in-situ particle reinforced magnesium-based composite material belongs to metallurgical technology field, discloses a kind of method for preparing magnesium base composite material with the electromagnetism continuous casting technology.The magnesium base melt that it is characterized in that melting interpolation micro alloying element Ca, Rare Earth Y, Rare-Earth Ce; Select Al-Ti-C or Al-Ti-B to strengthen system, adopt the synthetic magnesium base composite material melt that contains enhanced granule of self propagating high temperature synthesis method original position, the magnesium base composite material melt is applied the compound stirring of electromagnetic/ultrasonic; Adopt continuous casting process with the moulding of magnesium base composite material melt continuous casting at last, and in the crystallizer scope, apply electromagnetic field and ultrasonic field, obtain heterogeneous enhancing magnesium base composite material continuously cast bloom.Effect of the present invention and benefit are that the matrix material self-overgrowth reaction process is organically combined with electromagnetic continuous-casting technology, ultrasonic technology, obtain any surface finish, particle wild phase uniform distribution, enhancing body and the good magnesium base composite material continuously cast bloom of matrix bond in matrix, preparation technology is simple.
Description
Technical field
The invention belongs to metallurgical technology field, relate to a kind of method of preparing magnesium-based composite material, particularly a kind of method for preparing magnesium base composite material with continuous casting technology.
Background technology
Magnesium base composite material is that a kind of body that will strengthen is introduced in the magnesium alloy substrate, thereby plays the heterogeneous material of enhancement.The introducing that strengthens body had both significantly improved specific modulus, specific tenacity and the creep property of body material, had improved the usage temperature of magnesium alloy again, can satisfy the constantly needs of development of aeronautic structure material.
Magnesium base composite material mainly is divided into two big classes: continuous fibre strengthens magnesium base composite material and discontinuous particle reinforced magnesium base compound material.Continuous fibre strengthen magnesium base composite material be with carbon fiber, boron fibre or silicon carbide fiber or whisker as toughener, join in the magnesium alloy substrate; Discontinuous particle reinforced magnesium base compound material is to introduce various ceramic enhanced granule in magnesium alloy substrate, such as: SiC, Mg
2Si, TiC, TiB
2Deng.
Chinese patent, metal-base composite horizontal continuous casting method and equipment, CN1060978C discloses and has a kind ofly prepared the slurry of magnesium base composite material by mechanical stirring open day January 24 calendar year 2001, and with the method for horizontal casting process acquisition magnesium alloy ingot.It adopts the method for introducing external enhanced granule, but the size that strengthens body is subjected to the influence of its starting material size, often at several microns to tens micron orders, seldom less than 1.0 microns, magnesium and magnesium alloy density is little, specific tenacity is high, fusing point is low, easy oxidizing fire, enhanced granule are difficult to introduce; Add and strengthen volume recombination method complex process, cost height, strengthen body and matrix bond is bad and Yi Pianju, performance is inhomogeneous, has many defectives generations.
Chinese patent, the method of remelting wild phase preparing carriers particle reinforced magnesium base compound material, CN1152969C, open day on June 9th, 2004, adopt from spreading building-up reactions in-situ formation of TiC enhanced granule in MAGNESIUM METAL, again self-propagating reaction product is dissolved diffusion in magnesium alloy fused mass, can obtain magnesium base composite material after the cast.This method is to pour magnesium liquid in metal mold preparation casting magnesium base composite material, and production efficiency is lower, is unsuitable for large-scale commercial production.
Summary of the invention
The electromagnetic/ultrasonic preparation method of a kind of in-situ particle reinforced magnesium-based composite material provided by the invention, purpose is that solution magnesium alloy substrate intensity is not high, introducing strengthens the body particle and matrix bond is bad and Yi Pianju, the gained performance of magnesium-based composite material is inhomogeneous, and the cost height is unsuitable for the problem of large-scale industrial production.
The technical solution adopted in the present invention may further comprise the steps:
Step 1, melting magnesium base melt, such as AZ series, ZK series etc., one or several in interpolation micro alloying element Ca, Rare Earth Y, the Rare-Earth Ce.
Step 2, selection Al-Ti-C or Al-Ti-B strengthen system, adopt the synthetic magnesium base composite material melt that contains enhanced granule of self propagating high temperature synthesis method original position, at 660～780 ℃ the magnesium base composite material melt is applied the compound stirring of electromagnetic/ultrasonic, application time: 10～50min.Induction stirring range of frequency 1～50Hz, induction stirring power 1～30kW; Ultrasonic frequency range: 15kHz～40kHz, ultrasonic power: 300W, 500W, 800W, 1kW, 1.5kW or 2kW.
Step 3, employing continuous casting process are with the moulding of magnesium base composite material melt continuous casting.Apply electromagnetic field and ultrasonic field in the crystallizer scope, supply frequency is 1～7kHz, and power is 10～150kW, ultrasonic frequency range: 15kHz～40kHz, ultrasonic power: 300W, 500W, 800W, 1kW, 1.5kW or 2kW.Other casting parameters is: teeming temperature: 680～730 ℃, and casting speed: 40～150mm/min.In the casting process, the magnesium base composite material melt adopts gas shield in the crystallizer.
The present invention organically combines the matrix material self-overgrowth reaction process with electromagnetic continuous-casting technology, ultrasonic technology, be used for the preparation of magnesium base composite material continuously cast bloom, can access any surface finish, particle wild phase equally distributed magnesium base composite material continuously cast bloom in matrix, it is good to strengthen body and matrix bond, reinforced effects obviously improves, and preparation technology is simple, and production cost is low, is suitable for mass industrialized production.
Embodiment
Being described in detail the specific embodiment of the present invention below in conjunction with technical scheme and accompanying drawing, is the example explanation with the TiC particle reinforced magnesium base compound material continuously cast bloom for preparing φ 120mm.
Embodiment 1
Step 1, melting ZK60 magnesium alloy are warming up to 780 ℃ and add 1% Rare Earth Y element, behind the insulation 20min, are cooled to 680 ℃ and add 1% Ca element, are incubated 20min again, are warming up to 720 ℃.
Step 2, selection Al-Ti-C strengthen system.Al content is 50%, Ti, C mol ratio Ti: C=1: 1, be pressed into prefabricated section behind the vacuum ball milling 8h, and at 550 ℃ of following preheating 3h.Prefabricated section joined in 750 ℃ the ZK60 magnesium alloy fused mass, make it that self propagating high temperature reaction take place, original position synthesizes the TiC enhanced granule.When alloy melt is cooled to 680 ℃, apply 5kW, 15Hz electromagnetic field and 300W, the 20kHz ultrasonic field stirs 30min to melt, obtains the magnesium base composite material melt of wild phase distribution uniform.
Step 3, employing semicontinuous casting legal system are equipped with the magnesium base composite material continuously cast bloom.Casting process applies 10kW, 5kHz electromagnetic field and 300W, 15kHz ultrasonic field in the crystallizer scope.Other casting parameters is: teeming temperature: 720 ℃, and casting speed: 60mm/min.In the casting process, the magnesium base composite material melt adopts mixed gas (50%CO in the crystallizer
2, 0.4%SF
6, surplus is a dry air) and protection.
Embodiment 2
Step 1, melting AZ31 magnesium alloy are warming up to 780 ℃ and add 1% Rare Earth Y element, behind the insulation 20min, are cooled to 680 ℃ and add 1% Ca element, are incubated 20min again, are warming up to 760 ℃.
Step 2, selection Al-Ti-C strengthen system.Al content is 50%, Ti, C mol ratio Ti: C=1: 1, be pressed into prefabricated section behind the vacuum ball milling 8h, and at 550 ℃ of following preheating 3h.Prefabricated section joined in 760 ℃ the AZ31 magnesium alloy fused mass, make it that self propagating high temperature reaction take place, original position synthesizes the TiC enhanced granule.When alloy melt was cooled to 720 ℃, 15kW, 50Hz electromagnetic field and the 800W, the 20kHz ultrasonic field that melt are applied 15min stirred, and obtain the magnesium base composite material melt of wild phase distribution uniform.
Step 3, employing semicontinuous casting legal system are equipped with the magnesium base composite material continuously cast bloom.Casting process applies 30kW, 1kHz electromagnetic field and 300W, 20kHz ultrasonic field in the crystallizer scope.Other casting parameters is: teeming temperature: 720 ℃, and casting speed: 50mm/min.In the casting process, the magnesium base composite material melt adopts mixed gas (50%CO in the crystallizer
2, 0.4%SF
6, surplus is a dry air) and protection.
Claims (1)
1. the electromagnetic/ultrasonic preparation method of an in-situ particle reinforced magnesium-based composite material is characterized in that comprising following steps:
Step 1, melting magnesium base melt, one or several in interpolation micro alloying element Ca, Rare Earth Y, the Rare-Earth Ce;
Step 2, selection Al-Ti-C or Al-Ti-B strengthen system, adopt the synthetic magnesium base composite material melt that contains enhanced granule of self propagating high temperature synthesis method original position, and the magnesium base composite material melt is applied the compound stirring of electromagnetic/ultrasonic; At 660～780 ℃ the magnesium base composite material melt is applied the compound stirring of electromagnetic/ultrasonic, application time is 10～50min, and the induction stirring frequency is 1～50Hz, and induction stirring power is 1～30kW; Ultrasonic frequency range is 15kHz～40kHz, and ultrasonic power is 300W, 500W, 800W, 1kW, 1.5kW, 2kW;
Step 3, employing continuous casting process are with the moulding of magnesium base composite material melt continuous casting, in the crystallizer scope, apply electromagnetic field and ultrasonic field, supply frequency is 1～7kHz, power is 10～150kW, ultrasonic frequency range is 15kHz～40kHz, and ultrasonic power is 300W, 500W, 800W, 1kW, 1.5kW or 2kW.
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| CN2009103028563A CN101608277B (en) | 2009-06-02 | 2009-06-02 | Electromagnetic/ultrasonic preparation method of in-situ particle reinforced magnesium-based composite material |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956118A (en) * | 2010-09-16 | 2011-01-26 | 大连理工大学 | Preparation method of magnesium-based composite material containing various in-situ enhancing particles of rare earth |
| CN102409209A (en) * | 2011-12-05 | 2012-04-11 | 大连理工大学 | Method for compositely refining AZ31 magnesium alloy crystal particles by ultrasound field and refining agent |
| CN102962414A (en) * | 2012-11-20 | 2013-03-13 | 东北大学 | Continuous casting device and method for large-dimension aluminum alloy plate blank |
| CN103866154A (en) * | 2012-12-14 | 2014-06-18 | 中国兵器科学研究院宁波分院 | Method for diffusely distributing micro-nano particle reinforced phase in composite material |
| CN105219983A (en) * | 2015-07-27 | 2016-01-06 | 北京工业大学 | A kind of waste phosphor powder strengthens magnesium, aluminum metal-matrix composite material and preparation method thereof |
| CN105603240A (en) * | 2016-01-21 | 2016-05-25 | 大连理工大学 | Method for preparing aluminum-free magnesium-based composite materials by aid of Al-Ti-X self-propagating systems |
| CN105983682A (en) * | 2015-02-04 | 2016-10-05 | 中国科学院金属研究所 | Method for preparing metal matrix composite under compounding effect of low-pressure pulsed magnet field and ultrasound |
| CN106048351A (en) * | 2016-08-04 | 2016-10-26 | 北京工业大学 | Preparation method of AIN particle-reinforced magnesium-based composite material |
| CN107190192A (en) * | 2017-07-10 | 2017-09-22 | 太原理工大学 | A kind of absorbable biological medicinal high-strength anticorrosion magnesium alloy material and preparation method thereof |
| CN107236886A (en) * | 2017-07-10 | 2017-10-10 | 太原理工大学 | A kind of polynary Mg Zn Y Ca Zr alloys of medical degradable high-strength anticorrosion and preparation method thereof |
| CN108048680A (en) * | 2018-01-18 | 2018-05-18 | 中北大学 | A kind of magnesium-base composite material semi-solid state indirect extrusion casting forming method |
| CN108559858A (en) * | 2017-11-02 | 2018-09-21 | 东莞市金羽丰知识产权服务有限公司 | Bionical turbulent flow permanent magnetic stirring smelting process |
| CN112375934A (en) * | 2020-11-25 | 2021-02-19 | 安徽军明机械制造有限公司 | Method for improving mechanical property of AZ31 magnesium alloy by using low-frequency ultrasonic waves |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2020042C1 (en) * | 1990-09-19 | 1994-09-30 | Акционерное общество открытого типа "Всероссийский алюминиево-магниевый институт" | Method of manufacture of composite material castings on metal base |
| CN101186989B (en) * | 2007-12-10 | 2011-08-31 | 南昌大学 | Method for preparing AZ61 magnesium alloy half-solid blank using ultrasonic wave |
| CN101381829B (en) * | 2008-10-17 | 2010-08-25 | 江苏大学 | Method for preparing in-situ particle reinforced magnesium base compound material |
-
2009
- 2009-06-02 CN CN2009103028563A patent/CN101608277B/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956118A (en) * | 2010-09-16 | 2011-01-26 | 大连理工大学 | Preparation method of magnesium-based composite material containing various in-situ enhancing particles of rare earth |
| CN102409209A (en) * | 2011-12-05 | 2012-04-11 | 大连理工大学 | Method for compositely refining AZ31 magnesium alloy crystal particles by ultrasound field and refining agent |
| CN102962414A (en) * | 2012-11-20 | 2013-03-13 | 东北大学 | Continuous casting device and method for large-dimension aluminum alloy plate blank |
| CN103866154A (en) * | 2012-12-14 | 2014-06-18 | 中国兵器科学研究院宁波分院 | Method for diffusely distributing micro-nano particle reinforced phase in composite material |
| CN103866154B (en) * | 2012-12-14 | 2016-08-03 | 中国兵器科学研究院宁波分院 | In a kind of composite, micro-nano granules strengthens the Dispersed precipitate method of phase |
| CN105983682A (en) * | 2015-02-04 | 2016-10-05 | 中国科学院金属研究所 | Method for preparing metal matrix composite under compounding effect of low-pressure pulsed magnet field and ultrasound |
| CN105219983A (en) * | 2015-07-27 | 2016-01-06 | 北京工业大学 | A kind of waste phosphor powder strengthens magnesium, aluminum metal-matrix composite material and preparation method thereof |
| CN105603240B (en) * | 2016-01-21 | 2017-08-22 | 大连理工大学 | A kind of use Al Ti X self- propagatings system prepares the method without magnalium based composites |
| CN105603240A (en) * | 2016-01-21 | 2016-05-25 | 大连理工大学 | Method for preparing aluminum-free magnesium-based composite materials by aid of Al-Ti-X self-propagating systems |
| CN106048351A (en) * | 2016-08-04 | 2016-10-26 | 北京工业大学 | Preparation method of AIN particle-reinforced magnesium-based composite material |
| CN107190192A (en) * | 2017-07-10 | 2017-09-22 | 太原理工大学 | A kind of absorbable biological medicinal high-strength anticorrosion magnesium alloy material and preparation method thereof |
| CN107236886A (en) * | 2017-07-10 | 2017-10-10 | 太原理工大学 | A kind of polynary Mg Zn Y Ca Zr alloys of medical degradable high-strength anticorrosion and preparation method thereof |
| CN107190192B (en) * | 2017-07-10 | 2018-10-02 | 太原理工大学 | A kind of absorbable biological medicinal high-strength anticorrosion magnesium alloy material and preparation method thereof |
| CN108559858A (en) * | 2017-11-02 | 2018-09-21 | 东莞市金羽丰知识产权服务有限公司 | Bionical turbulent flow permanent magnetic stirring smelting process |
| CN108048680A (en) * | 2018-01-18 | 2018-05-18 | 中北大学 | A kind of magnesium-base composite material semi-solid state indirect extrusion casting forming method |
| CN112375934A (en) * | 2020-11-25 | 2021-02-19 | 安徽军明机械制造有限公司 | Method for improving mechanical property of AZ31 magnesium alloy by using low-frequency ultrasonic waves |
| CN112375934B (en) * | 2020-11-25 | 2022-04-26 | 安徽军明机械制造有限公司 | Method for improving mechanical property of AZ31 magnesium alloy by using low-frequency ultrasonic waves |
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