CN102383012A - Low-rare-earth high-strength heat-resisting magnesium alloy and preparation method thereof - Google Patents
Low-rare-earth high-strength heat-resisting magnesium alloy and preparation method thereof Download PDFInfo
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- CN102383012A CN102383012A CN2011103401984A CN201110340198A CN102383012A CN 102383012 A CN102383012 A CN 102383012A CN 2011103401984 A CN2011103401984 A CN 2011103401984A CN 201110340198 A CN201110340198 A CN 201110340198A CN 102383012 A CN102383012 A CN 102383012A
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Abstract
The invention relates to high-strength heat-resisting magnesium alloy, comprising the following components: Sn, Y, Gd, Mn, Zr, and the balance of Mg. A preparation method comprises the following steps of: weighing a drilled magnesium ingot, Mn powder, Mg-Y intermediate alloy, Mg-Gd intermediate alloy and Mg-Zr intermediate alloy, filling the sieved Mn powder into holes of the magnesium ingot, spreading a flux for melting together, then adding the intermediate alloy, stirring, rising the temperature, adding the Mg-Zr intermediate alloy, stirring, rising the temperature, adding a Sn ingot, stirring, and obtaining alloy liquid; carrying out refining on the alloy liquid, then pouring the alloy liquid into a preheated metal mold, cooling and obtaining an alloy casting ingot; and carrying out heat preservation and quenching on the casting ingot, then carrying out aging, and finally preparing a rod or a plate. The high-strength heat-resisting magnesium alloy has excellent room-temperature high-strength toughness and high-temperature tensile performance, and simultaneously has better plastic deformability and hot-working performance, and the creep resistance is improved by addition of Mn and Zr.
Description
Technical field
The invention belongs to metallic substance and metallurgical technology field, relate to a kind of low rare earth high-strength heat resistance magnesium alloy and preparation method thereof.
Background technology
Magnesiumalloy is the lightest practical metallic substance, and density is merely 1.35～1.8g/cm
3, have high specific tenacity and specific rigidity, good diamagnetism, high electronegativity and thermal conductivity, good shock absorbing property and machinability.Become the preferred material of industries such as Hyundai Motor, portable electronic products electronics, communication; But the intensity of magnesiumalloy generally speaking all is lower than duraluminum in addition; The high-temperature behavior difference also is to hinder the one of the main reasons of magnesiumalloy widespread use, and when temperature raise, its intensity and creep-resistant property often descended significantly; Thereby it is difficult to as the long-time parts that use of high temperature, big limitations its application.So form HMP mutually with magnesium matrix through in alloy, adding a certain amount of HMP element; And through rational heat treatment technology obtain composition evenly, organize tinyly, the excellent and comprehensive good magnesiumalloy of mechanical property of high-temperature behavior becomes the research direction in magnesiumalloy field.
Mainly study both at home and abroad at present, to improve the room temperature strength and the hot strength of magnesiumalloy from aspects such as rare earth element alloy reinforcement, magnesium base complex intensifying and rapid solidification powder metallurgic methods.Be that the mode of main added elements prepares the excellent magnesiumalloy of high-temperature behavior and occupies manyly with REE wherein, they often reach preparation high-strength heat-resistant magnesium alloy purpose through adding a kind or 2 kinds and above rare earth.The disclosed patent of Li Daquan " high-strength heat-resisting magnesium alloy and preparation method thereof " (application number: 200610024085.2; Publication number: CN1814837A; Open day: 2006.8.9) the alloy structure composition of the high-strength heat-resistant magnesium alloy of its preparation was 12%Y; 2%Sm, 0.35%Zr, surplus is Mg and other.After heat treatment, its room temperature tensile strength is 365MPa, and unit elongation is that 3.0%, 200 ℃ tensile strength is 331MPa, and 250 ℃ tensile strength is 312MPa.What goes up bright disclosed patent " high-strength heat-resisting magnesium alloy and preparation method thereof " (application number: 200510025251.6; Publication number: CN1676646A; Open day: 2005.10.5) content of the high-strength heat-resisting magnesium alloy middle-weight rare earths of its preparation was 6-15%Gd, 1-6%Y, and the intensity and the high-temperature behavior of alloy are fine.People such as Xiao Yang (Xiao Yang, Zhang Xinming, the performance of high-strength temperature-resistant Mg-9Gd-4Y-0.5Zr alloy. Central South University's journal, 2006,37 (5): 850-854) the Mg-9Gd-4Y-0.5Zr alloy of preparation has also obtained intensity and high-temperature behavior preferably.But the alloy that relates in above-mentioned disclosed patent and the document all adopts the REE of high level, and REE not only costs an arm and a leg, and than great, the material cost that will cause for preparing high-strength heat-resistant magnesium alloy through the interpolation high rare-earth content significantly improves.The little open country disclosed patents of prosperous two (Japan) " magnesium base composite material that contains Al2Ca " (application number: 200980108474.5; Publication number: CN101970703A; Open day: 2011.02.09), the magnesium base composite material of preparation all had excellent strength characteristics under normal temperature and high temperature.Yuan Guang silver disclosed patent " strong magnesiumalloy of rapid solidification superelevation and preparation method thereof " (application number: 200910049871.1, publication number: CN101538671A, open day: 2009.9.23), utilize flash set technology also to prepare high-strength magnesium alloy.But because apparatus expensive, no matter complicated process of preparation adopts magnesium base complex intensifying still to adopt the cost of high-strength heat-resistant magnesium alloy of flash set technology preparation high, costs an arm and a leg the industriallization difficulty.
Summary of the invention
The purpose of this invention is to provide a kind of low rare earth high-strength heat resistance magnesium alloy, solved magnesium alloy strength and the insufficient problem of creep-resistant property under hot conditions.
Another object of the present invention provides a kind of preparation method of low rare earth high-strength heat resistance magnesium alloy, has solved present magnesiumalloy complicated process of preparation, the problem that preparation cost is high.
The technical scheme that the present invention adopted is, a kind of high-strength heat-resistant magnesium alloy, and it consists of by mass percentage: Sn:3-6%, Y:0-4%, Gd:0-4%, Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg.
Another kind of technical scheme of the present invention is, the preparation method of the said magnesiumalloy of a kind of claim 1 implements according to following steps:
Step 1; Take by weighing in advance magnesium ingot, Mn powder, Mg-Y master alloy, Mg-Gd master alloy and the Mg-Zr master alloy of boring respectively, make that relationship between quality satisfies following mass percent: Sn:3-6%, Y:0-4% between each material; Gd:0-4%; Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg;
Step 2, the Mn powder that step 1 is taken by weighing are crossed to insert behind the 50-200 mesh sieve and are bored in advance on the magnesium ingot in the good hole, take by weighing flux according to the 5%-10% of required preparation alloy mass; On magnesium ingot, sprinkle flux, and together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720-740 ℃; Add in Mg-Y master alloy and the Mg-Gd master alloy one or both then, mechanical stirring 10 minutes rises to 780-800 ℃ with the magnesium liquid temp then; Add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards, at last magnesium liquid is cooled to 730-750 ℃; Add technical pure Sn ingot and mechanical stirring 10 minutes, and obtained alloy liquid;
Step 3, the alloy liquid temp that step 2 is made rises to 750-780 ℃ and carries out refining treatment, again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and is in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtains alloy cast ingot after being cooled to normal temperature;
Step 4, the ingot casting that step 3 is obtained is incubated 6-18 hour under 450-520 ℃ temperature, afterwards through cold water or oil quenching, under 200-260 ℃ temperature, be incubated 8-24 hour ageing treatment then, at last through extruding or rolling bar or the sheet material processed.
Characteristics of the present invention also are,
Flux described in the step 2 adopts industrial RJ-2 flux.
The temperature of cold water or oil is a normal temperature in the step 4.
Beneficial effect of the present invention does; Use common founding can prepare cheap high-strength heat-resistant magnesium alloy; This magnesiumalloy not only has excellent room temperature high-strong toughness and high temperature tensile properties; Have plastic deformation ability and hot workability preferably simultaneously, and owing to added Mn and Zr element, thereby the creep-resistant property of alloy improved.
Embodiment
Below in conjunction with embodiment the present invention is elaborated.
The present invention provides a kind of high-strength heat-resistant magnesium alloy, and it consists of by mass percentage: Sn:3-6%, and Y:0-4%, Gd:0-4%, Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg.
The present invention also provides the preparation method of above-mentioned magnesiumalloy, implements according to following steps:
Step 1; Take by weighing in advance magnesium ingot, Mn powder, Mg-Y master alloy, Mg-Gd master alloy and the Mg-Zr master alloy of boring respectively, make that relationship between quality satisfies following mass percent: Sn:3-6%, Y:0-4% between each material; Gd:0-4%; Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg;
Step 2, the Mn powder that step 1 is taken by weighing are crossed to insert on the magnesium ingot behind the 50-200 mesh sieve and are bored in the good hole in advance, on magnesium ingot, sprinkle industrial RJ-2 flux; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720-740 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 780-800 ℃; Add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards, at last magnesium liquid is cooled to 730-750 ℃; Add technical pure Sn ingot and mechanical stirring 10 minutes, and obtained alloy liquid;
Step 3, the alloy liquid temp that step 2 is made rises to 750-780 ℃ and carries out refining treatment, again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and is in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtains alloy cast ingot after being cooled to normal temperature;
Step 4, the ingot casting that step 3 is obtained is incubated 6-18 hour under 450-520 ℃ temperature, afterwards through cold water or oil quenching, under 200-260 ℃ temperature, be incubated 8-24 hour ageing treatment then, at last through extruding or rolling bar or the sheet material processed.
Embodiment 1
Take by weighing magnesium ingot, Mn powder, Mg-Y master alloy and the Mg-Zr master alloy of boring in advance respectively, make satisfied following weight percent: the Sn:3% of relationship between quality between each material, Y:4%, Mn:1.5%, Zr:0.8%, all the other are Mg;
The Mn powder that takes by weighing crossed to insert behind the 50-200 mesh sieve on the magnesium ingot bore in the good hole in advance, take by weighing flux, on magnesium ingot, sprinkle industrial RJ-2 flux according to 10% of required preparation alloy mass; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 780 ℃, add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards; At last magnesium liquid is cooled to 750 ℃, added technical pure Sn ingot and mechanical stirring 10 minutes, obtain alloy liquid; Again the alloy liquid temp that makes is risen to 750 ℃ and carry out refining treatment; Again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and be in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtain alloy cast ingot after being cooled to normal temperature; At last the ingot casting that obtains is incubated 10 hours under 500 ℃ temperature; Cold water or oil quenching are incubated 16 hours ageing treatment, then at last through extruding or rolling bar or the sheet material processed under 210 ℃ temperature.
The high-strength heat-resistant magnesium alloy of present embodiment gained, its room temperature tensile strength is 286MPa, unit elongation is 8.2%; Tensile strength under 280 ℃ of conditions is 261MPa, and unit elongation is 17.6%.
Embodiment 2
Take by weighing magnesium ingot, Mn powder, Mg-Gd master alloy and the Mg-Zr master alloy of boring in advance respectively, make satisfied following weight percent: the Sn:3% of relationship between quality between each material, Gd:4%, Mn:1.5%, Zr:0.8%, all the other are Mg;
The Mn powder that takes by weighing crossed to insert behind the 50-200 mesh sieve on the magnesium ingot bore in the good hole in advance, take by weighing flux, on magnesium ingot, sprinkle industrial RJ-2 flux according to 10% of required preparation alloy mass; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 780 ℃, add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards; At last magnesium liquid is cooled to 750 ℃, added technical pure Sn ingot and mechanical stirring 10 minutes, obtain alloy liquid; Again the alloy liquid temp that makes is risen to 750 ℃ and carry out refining treatment; Again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and be in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtain alloy cast ingot after being cooled to normal temperature; At last the ingot casting that obtains is incubated 10 hours under 500 ℃ temperature; Cold water or oil quenching are incubated 16 hours ageing treatment, then at last through extruding or rolling bar or the sheet material processed under 210 ℃ temperature.
The high-strength heat-resistant magnesium alloy of present embodiment gained, its room temperature tensile strength is 292MPa, unit elongation is 9.8%; Tensile strength under 280 ℃ of conditions is 296MPa, and unit elongation is 19.5%.
Embodiment 3
Take by weighing magnesium ingot, Mn powder, Mg-Y master alloy, Mg-Gd master alloy and the Mg-Zr master alloy of boring in advance respectively, make satisfied following weight percent: the Sn:5% of relationship between quality between each material, Y:2%; Gd:2%; Mn:2%, Zr:0.8%, all the other are Mg;
The Mn powder that takes by weighing crossed to insert behind the 50-200 mesh sieve on the magnesium ingot bore in the good hole in advance, take by weighing flux, on magnesium ingot, sprinkle industrial RJ-2 flux according to 7% of required preparation alloy mass; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 730 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 800 ℃, add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards; At last magnesium liquid is cooled to 740 ℃, added technical pure Sn ingot and mechanical stirring 10 minutes, obtain alloy liquid; Again the alloy liquid temp that makes is risen to 770 ℃ and carry out refining treatment; Again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and be in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtain alloy cast ingot after being cooled to normal temperature; At last the ingot casting that obtains is incubated 18 hours under 450 ℃ temperature; Cold water or oil quenching are incubated 8 hours ageing treatment, then at last through extruding or rolling bar or the sheet material processed under 200 ℃ temperature.
The high-strength heat-resistant magnesium alloy of this instance gained, its room temperature tensile strength is 301MPa, unit elongation is 11.4%; Tensile strength under 280 ℃ of conditions is 285MPa, and unit elongation is 21.6%.
Embodiment 4
Alloying constituent consists of by weight percentage: 6%Sn, and 4%Y, 2.5%Mn, 0.8%Zr, all the other are Mg and unavoidable impurities.
The Mn powder that takes by weighing crossed to insert behind the 50-200 mesh sieve on the magnesium ingot bore in the good hole in advance, take by weighing flux, on magnesium ingot, sprinkle industrial RJ-2 flux according to 5% of required preparation alloy mass; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 740 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 790 ℃, add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards; At last magnesium liquid is cooled to 730 ℃, added technical pure Sn ingot and mechanical stirring 10 minutes, obtain alloy liquid; Again the alloy liquid temp that makes is risen to 780 ℃ and carry out refining treatment; Again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and be in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtain alloy cast ingot after being cooled to normal temperature; At last the ingot casting that obtains is incubated 6 hours under 520 ℃ temperature; Cold water or oil quenching are incubated 24 hours ageing treatment, then at last through extruding or rolling bar or the sheet material processed under 260 ℃ temperature.
The high-strength heat-resistant magnesium alloy of this instance gained, its room temperature tensile strength is 265MPa, unit elongation is 10.5%; Tensile strength under 280 ℃ of conditions is 281MPa, and unit elongation is 23.1%.
Embodiment 5
Alloying constituent consists of by weight percentage: 6%Sn, and 4%Gd, 0.5%Mn, 1.0%Zr, all the other are Mg and unavoidable impurities.
The Mn powder that takes by weighing crossed to insert behind the 50-200 mesh sieve on the magnesium ingot bore in the good hole in advance, take by weighing flux, on magnesium ingot, sprinkle industrial RJ-2 flux according to 10% of required preparation alloy mass; And together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720 ℃, added Mg-Y or Mg-Gd master alloy mechanical stirring then 10 minutes; Then the magnesium liquid temp is risen to 780 ℃, add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards; At last magnesium liquid is cooled to 750 ℃, added technical pure Sn ingot and mechanical stirring 10 minutes, obtain alloy liquid; Again the alloy liquid temp that makes is risen to 750 ℃ and carry out refining treatment; Again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and be in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtain alloy cast ingot after being cooled to normal temperature; At last the ingot casting that obtains is incubated 10 hours under 500 ℃ temperature; Cold water or oil quenching are incubated 16 hours ageing treatment, then at last through extruding or rolling bar or the sheet material processed under 210 ℃ temperature.
The high-strength heat-resistant magnesium alloy of present embodiment gained, its room temperature tensile strength is 272MPa, unit elongation is 11.7%; Tensile strength under 280 ℃ of conditions is 295MPa, and unit elongation is 23.9%.
Substantive distinguishing features that the present invention had and obvious improvement are:
The present invention adds the alloying element with the Sn of cheapness as main, and a certain amount of Sn joins in the magnesiumalloy, thinning microstructure, and form with magnesium and to have high high-temperature stability Mg mutually
2Sn phase (770 ℃ of fusing points), and this has very high hardness mutually, remarkable to improving alloy at room temperature and high-temperature behavior effect.
Middle-weight rare earths Y of the present invention, Gd add with Mg-Y, Mg-Gd master alloy respectively.The adding of Y, Gd all can be played the effect of thinning microstructure, and Y, the solid solubility of Gd in Mg are very big, can improve the mechanical property of alloy through solution strengthening and aging precipitation precipitation strength.
The a spot of Mn of interpolation, Zr element have not only improved the plasticity and the hot workability of alloy among the present invention, and because the partial solid solubility of Zr in magnesium, Zr can be used as heterogeneous forming core core crystal grain thinning, and Mn can also improve the creep-resistant property of alloy.
Through each component proportioning of adjustment, use common founding can prepare cheap high-strength heat-resistant magnesium alloy among the present invention.This magnesiumalloy not only has excellent room temperature high-strong toughness and high temperature tensile properties, and has plastic deformation ability and hot workability preferably.Its room temperature tensile strength 250-350MPa, unit elongation 8-15%; Under 280 ℃ of conditions, its tensile strength 230-300MPa, unit elongation 15-26%.
Claims (4)
1. high-strength heat-resistant magnesium alloy, it is characterized in that: it consists of by mass percentage: Sn:3-6%, Y:0-4%, Gd:0-4%, Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg.
2. the preparation method of the said magnesiumalloy of claim 1 is characterized in that, implements according to following steps:
Step 1; Take by weighing in advance magnesium ingot, Mn powder, Mg-Y master alloy, Mg-Gd master alloy and the Mg-Zr master alloy of boring respectively, make that relationship between quality satisfies following mass percent: Sn:3-6%, Y:0-4% between each material; Gd:0-4%; Mn:0.5-2.5%, Zr≤1.0%, all the other are Mg;
Step 2, the Mn powder that step 1 is taken by weighing are crossed to insert behind the 50-200 mesh sieve and are bored in advance on the magnesium ingot in the good hole, take by weighing flux according to the 5%-10% of required preparation alloy mass; On magnesium ingot, sprinkle flux, and together put into well formula resistance furnace and heat, make the magnesium ingot fusing and make the magnesium liquid temp rise to 720-740 ℃; Add in Mg-Y master alloy and the Mg-Gd master alloy one or both then, mechanical stirring 10 minutes rises to 780-800 ℃ with the magnesium liquid temp then; Add the Mg-Zr master alloy, mechanical stirring is 10 minutes afterwards, at last magnesium liquid is cooled to 730-750 ℃; Add technical pure Sn ingot and mechanical stirring 10 minutes, and obtained alloy liquid;
Step 3, the alloy liquid temp that step 2 is made rises to 750-780 ℃ and carries out refining treatment, again the alloy liquid temp is adjusted to 740 ℃, pours into preheating temperature and is in 300 ℃ ± 10 ℃ the bottom filling metal mold, obtains alloy cast ingot after being cooled to normal temperature;
Step 4, the ingot casting that step 3 is obtained is incubated 6-18 hour under 450-520 ℃ temperature, afterwards through cold water or oil quenching, under 200-260 ℃ temperature, be incubated 8-24 hour ageing treatment then, at last through extruding or rolling bar or the sheet material processed.
3. method according to claim 2 is characterized in that, the flux described in the step 2 adopts industrial RJ-2 flux.
4. method according to claim 2 is characterized in that, the temperature of cold water or oil is a normal temperature in the step 4.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676896A (en) * | 2012-05-24 | 2012-09-19 | 狄石磊 | Corrosion resistant magnesium alloy material and preparation method thereof |
| CN104099508A (en) * | 2014-07-28 | 2014-10-15 | 中南大学 | High-strength high-damping magnesium alloy containing rare-earth elements |
| CN104711469A (en) * | 2014-10-20 | 2015-06-17 | 西南交通大学 | Heterogeneous high damping magnesium alloy |
| CN104862567A (en) * | 2015-06-09 | 2015-08-26 | 太原科技大学 | High-Sn wrought magnesium alloy and preparation method of high-Sn wrought magnesium alloy panel |
| CN108425052A (en) * | 2018-04-13 | 2018-08-21 | 上海海洋大学 | A kind of heat-resistance high-strength wrought magnesium alloy and preparation method thereof |
| CN108796324A (en) * | 2018-07-03 | 2018-11-13 | 重庆大学 | A kind of room temperature high-ductility magnesium-tin-yttrium-zircaloy and preparation method thereof |
| CN111187998A (en) * | 2020-02-20 | 2020-05-22 | 齐鲁工业大学 | Method for regulating and controlling grain structure of ZK60 deformed magnesium alloy and improving performance |
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| CN1804083A (en) * | 2006-01-23 | 2006-07-19 | 中南大学 | High-strength heat-resistant rare earth magnesium alloy |
| CN101440449A (en) * | 2008-12-23 | 2009-05-27 | 重庆大学 | Multicomponent heat resisting magnesium alloy and preparation thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676896A (en) * | 2012-05-24 | 2012-09-19 | 狄石磊 | Corrosion resistant magnesium alloy material and preparation method thereof |
| CN104099508A (en) * | 2014-07-28 | 2014-10-15 | 中南大学 | High-strength high-damping magnesium alloy containing rare-earth elements |
| CN104711469A (en) * | 2014-10-20 | 2015-06-17 | 西南交通大学 | Heterogeneous high damping magnesium alloy |
| CN104862567A (en) * | 2015-06-09 | 2015-08-26 | 太原科技大学 | High-Sn wrought magnesium alloy and preparation method of high-Sn wrought magnesium alloy panel |
| CN108425052A (en) * | 2018-04-13 | 2018-08-21 | 上海海洋大学 | A kind of heat-resistance high-strength wrought magnesium alloy and preparation method thereof |
| CN108796324A (en) * | 2018-07-03 | 2018-11-13 | 重庆大学 | A kind of room temperature high-ductility magnesium-tin-yttrium-zircaloy and preparation method thereof |
| CN111187998A (en) * | 2020-02-20 | 2020-05-22 | 齐鲁工业大学 | Method for regulating and controlling grain structure of ZK60 deformed magnesium alloy and improving performance |
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| Publication number | Publication date |
|---|---|
| CN102383012B (en) | 2013-06-05 |
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