EP0499321A1 - Piston à métal léger pour moteurs à combustion interne - Google Patents

Piston à métal léger pour moteurs à combustion interne Download PDF

Info

Publication number: EP0499321A1
Authority: EP; European Patent Office
Prior art keywords: magnesium alloy; piston; metal piston; rare earth; light metal
Prior art date: 1991-02-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP92200333A

Other languages

German (de)

English (en)

Inventor

Siegfried Dr. Mielke

Wolfgang Dr. Henning

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kolbenschmidt AG

Original Assignee

Kolbenschmidt AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-02-15

Filing date

1992-02-06

Publication date

1992-08-19

1992-02-06 Application filed by Kolbenschmidt AG filed Critical Kolbenschmidt AG

1992-08-19 Publication of EP0499321A1 publication Critical patent/EP0499321A1/fr

Status Withdrawn legal-status Critical Current

Links

239000002184 metal Substances 0.000 title claims abstract description 10
229910052751 metal Inorganic materials 0.000 title claims abstract description 9
238000002485 combustion reaction Methods 0.000 title claims description 12
239000000835 fiber Substances 0.000 claims abstract description 27
229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 19
229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 13
150000002910 rare earth metals Chemical class 0.000 claims abstract description 12
239000011159 matrix material Substances 0.000 claims abstract description 7
229910000765 intermetallic Inorganic materials 0.000 claims abstract description 6
239000000919 ceramic Substances 0.000 claims abstract description 4
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 8
229910052749 magnesium Inorganic materials 0.000 claims description 8
239000011777 magnesium Substances 0.000 claims description 8
229910045601 alloy Inorganic materials 0.000 claims description 4
239000000956 alloy Substances 0.000 claims description 4
229910052782 aluminium Inorganic materials 0.000 claims description 4
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
229910052684 Cerium Inorganic materials 0.000 claims description 3
238000000137 annealing Methods 0.000 claims description 3
229910052793 cadmium Inorganic materials 0.000 claims description 3
238000000265 homogenisation Methods 0.000 claims description 3
229910001234 light alloy Inorganic materials 0.000 claims description 3
238000000034 method Methods 0.000 claims description 3
239000002245 particle Substances 0.000 claims description 3
229910052710 silicon Inorganic materials 0.000 claims description 3
229910052718 tin Inorganic materials 0.000 claims description 3
229910052725 zinc Inorganic materials 0.000 claims description 3
229910052692 Dysprosium Inorganic materials 0.000 claims description 2
229910052691 Erbium Inorganic materials 0.000 claims description 2
229910052693 Europium Inorganic materials 0.000 claims description 2
229910052688 Gadolinium Inorganic materials 0.000 claims description 2
229910052779 Neodymium Inorganic materials 0.000 claims description 2
229910052777 Praseodymium Inorganic materials 0.000 claims description 2
229910052772 Samarium Inorganic materials 0.000 claims description 2
229910052581 Si3N4 Inorganic materials 0.000 claims description 2
229910052771 Terbium Inorganic materials 0.000 claims description 2
229910052769 Ytterbium Inorganic materials 0.000 claims description 2
229910052797 bismuth Inorganic materials 0.000 claims description 2
229910052791 calcium Inorganic materials 0.000 claims description 2
229910052744 lithium Inorganic materials 0.000 claims description 2
229910052748 manganese Inorganic materials 0.000 claims description 2
229910052706 scandium Inorganic materials 0.000 claims description 2
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
229910010271 silicon carbide Inorganic materials 0.000 claims description 2
HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
229910052709 silver Inorganic materials 0.000 claims description 2
229910052727 yttrium Inorganic materials 0.000 claims description 2
229910052726 zirconium Inorganic materials 0.000 claims description 2
238000000465 moulding Methods 0.000 abstract description 5
238000004519 manufacturing process Methods 0.000 description 5
239000000463 material Substances 0.000 description 4
238000005266 casting Methods 0.000 description 3
239000000203 mixture Substances 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
239000011135 tin Substances 0.000 description 2
239000011701 zinc Substances 0.000 description 2
ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
229910000838 Al alloy Inorganic materials 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
229910000676 Si alloy Inorganic materials 0.000 description 1
229910052776 Thorium Inorganic materials 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
VIJYFGMFEVJQHU-UHFFFAOYSA-N aluminum oxosilicon(2+) oxygen(2-) Chemical compound [O-2].[Al+3].[Si+2]=O VIJYFGMFEVJQHU-UHFFFAOYSA-N 0.000 description 1
BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
229910052681 coesite Inorganic materials 0.000 description 1
229910052593 corundum Inorganic materials 0.000 description 1
229910052906 cristobalite Inorganic materials 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
238000005242 forging Methods 0.000 description 1
239000000446 fuel Substances 0.000 description 1
229910002804 graphite Inorganic materials 0.000 description 1
239000010439 graphite Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229910052747 lanthanoid Inorganic materials 0.000 description 1
150000002602 lanthanoids Chemical class 0.000 description 1
239000011133 lead Substances 0.000 description 1
239000011572 manganese Substances 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
239000000155 melt Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
229910052594 sapphire Inorganic materials 0.000 description 1
238000004904 shortening Methods 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
229910052682 stishovite Inorganic materials 0.000 description 1
229910052905 tridymite Inorganic materials 0.000 description 1
208000016261 weight loss Diseases 0.000 description 1
239000013585 weight reducing agent Substances 0.000 description 1
229910001845 yogo sapphire Inorganic materials 0.000 description 1

Images

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases
- F02F7/0085—Materials for constructing engines or their parts
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F2200/00—Manufacturing
- F02F2200/04—Forging of engine parts
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/02—Light metals
- F05C2201/021—Aluminium
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2253/00—Other material characteristics; Treatment of material
- F05C2253/16—Fibres

Definitions

the invention relates to a press-cast, made of heat-resistant magnesium alloy light metal piston for internal combustion engines with partially, preferably on the piston crown, ring field, pin bosses and / or piston skirt molded bodies made of ceramic short fibers, preferably aluminum oxide, silicon carbide or silicon nitride fibers, which are aligned parallel to a plane, within this level, however, are statistically randomly oriented, and a process for its production.
magnesium materials have very considerable disadvantages compared to the aluminum-silicon alloys usually used for the production of light metal pistons for internal combustion engines.
the lifespan of pistons made of magnesium materials is relatively short and their strength is relatively low compared to the dynamic stress caused by the gas forces.
DE-A-20 46 862 provides the running surface of the piston, which is made of magnesium material, with a wear-resistant metallic running layer, for example chrome, which adheres to the piston body via an intermediate layer made of aluminum. It is also known to provide the running surface of the piston with a wear-resistant coating made of aluminum alloy, iron, graphite, manganese, nickel, tin, lead, cadmium and zinc or to alloy magnesium with wear-resistant elements such as aluminum or silicon. To improve the strength, magnesium is alloyed with cerium and thorium and the piston is made by forging with appropriate guidance of the fiber course (company script: Mahle KG and Elektron-Co. MbH, Stuttgart - Bad Canstatt 1946).
a piston for internal combustion engines is known from JP-A-63-042338, which consists of a magnesium alloy reinforced with 3 to 30% by volume of aluminum oxide-silicon oxide fibers.
JP-A-63-0423308 which consists of a magnesium alloy reinforced with 3 to 30% by volume of aluminum oxide-silicon oxide fibers.
such light-alloy pistons have so far not been able to find their way into practice, since they cause relatively high abrasive wear on the cylinder barrel.
Z. Metall 44 , 5/1990, pp. 438-443 intended to infiltrate molded articles made of short ceramic fibers by pressure casting with magnesium alloy, whereby the critical properties of magnesium alloy, such as modulus of elasticity, strength at higher temperatures, wear resistance and thermal expansion, are to be improved.
This object is achieved in that intermetallic compounds of one or more rare earth metals are embedded in the magnesium alloy matrix.
the proportion of the intermetallic compounds is 1 to 10% by volume, preferably 2.5 to 5% by volume.
Binary or more complex Mg-x (-y) alloys with x, y Al, Zn, Si, Mn, Li, Ca, Cd, Sn, Y, Sc, Zr, Ag, Bi are used as magnesium alloys for this purpose.
Such a flask is subjected to homogenization annealing at a temperature of 450 to 520 ° C for a period of 2 to 20 h after the production by press casting and then curing at a temperature of 150 to 250 ° C for a period of 5 to 20 h subjected.
the lanthanides Ce, Nd, Pr, Sm, Eu, Gd, Tb, Dy, Er and Yb are suitable as rare earth metals, individually or in a mixture.
the rare earth metals are embedded individually or in a mixture in the mixture as powdery, needle-shaped and / or flake-shaped particles in the fiber molding.
high-strength aluminum oxide fibers come into consideration as fiber material, which mainly consist of ⁇ -Al2O3 with a small proportion of ⁇ -Al2O3. Due to the low SiO2 content, these fibers are sufficiently stable against magnesium alloy melt for the manufacturing process.
the fiber molded body is heated and placed in a preheated die. After the melt has been introduced, the fiber molded body is infiltrated with magnesium alloy melt using pressure.
the rare earth metal or metals dissolve and form intermetallic compounds in the magnesium alloy matrix as a result of the homogenization annealing and hardening.
the piston (1) for internal combustion engines which is made of a magnesium alloy containing 3.5 to 5.0 wt. poured.
a hollow cylindrical fiber molded body (5) is cast into the hubs (6) of the bolt eyes (7).
the fiber molded body (4,5) consist of dark, needle-shaped Aluminum oxide fibers (8) and are embedded in the bright magnesium alloy matrix (9) containing 5% by volume of rare earth metals in the area of the fiber moldings.
the fiber content of a fiber molded body being 10 to 30% by volume. Due to the fact that the addition of rare earth metal is limited to the fiber molded body, poorer thermal conductivity and ductility caused by rare earth metals in the other piston zones is avoided.

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Combustion & Propulsion (AREA)
General Engineering & Computer Science (AREA)
Manufacture Of Alloys Or Alloy Compounds (AREA)
Pistons, Piston Rings, And Cylinders (AREA)

EP92200333A 1991-02-15 1992-02-06 Piston à métal léger pour moteurs à combustion interne Withdrawn EP0499321A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19914104680 DE4104680C2 (de)	1991-02-15	1991-02-15	Leichtmetallkolben für Verbrennungskraftmaschinen
DE4104680		1991-02-15

Publications (1)

Publication Number	Publication Date
EP0499321A1 true EP0499321A1 (fr)	1992-08-19

Family

ID=6425124

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP92200333A Withdrawn EP0499321A1 (fr)	1991-02-15	1992-02-06	Piston à métal léger pour moteurs à combustion interne

Country Status (3)

Country	Link
EP (1)	EP0499321A1 (fr)
JP (1)	JPH0578764A (fr)
DE (1)	DE4104680C2 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1993019216A1 (fr) *	1992-03-17	1993-09-30	Metallgesellschaft Aktiengesellschaft	Element mecanique
WO2006105594A1 (fr) *	2005-04-04	2006-10-12	Cast Centre Pty Ltd	Alliage de magnesium
CN101985712A (zh) *	2010-12-08	2011-03-16	重庆理工大学	加Zr细化Mg-RE-Mn-Sc系镁合金晶粒的方法
CN103131925A (zh) *	2013-03-14	2013-06-05	河南科技大学	一种高强耐热复合稀土镁合金
CN107354356A (zh) *	2017-06-28	2017-11-17	中国科学院长春应用化学研究所	一种砂型铸造镁合金及其制备方法
CN107385299A (zh) *	2017-06-27	2017-11-24	郑州轻研合金科技有限公司	一种高模高强镁基复合材料及其制备方法
CN109234592A (zh) *	2018-11-19	2019-01-18	河北工业大学	一种低温轧制高强韧变形镁合金及其制备方法
CN111378882A (zh) *	2018-12-29	2020-07-07	嘉丰工业科技（惠州）有限公司	一种高导热性能压铸镁合金材料及其制备方法
CN111958186A (zh) *	2020-08-18	2020-11-20	天津航天机电设备研究所	低温装置降低镁锂合金加工温度的方法及应用
CN117182473A (zh) *	2023-09-27	2023-12-08	中国航发北京航空材料研究院	一种金属间化合物薄壁件制造的方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9502238D0 (en) *	1995-02-06	1995-03-29	Alcan Int Ltd	Magnesium alloys
DE10202469C1 (de) *	2002-01-23	2003-08-14	Fraunhofer Ges Forschung	Formbauteil aus Metallguss und Herstellverfahren für ein Formbauteil aus Metallguss
DE102007009456A1 (de) *	2007-02-27	2008-08-28	Volkswagen Ag	Verwendung einer Magnesiumlegierung zur Herstellung eines Rades und Verfahren zur Herstellung eines Rades aus einer Magnesiumlegierung
DE102008006854A1 (de) *	2008-01-31	2009-08-06	Bayerische Motoren Werke Aktiengesellschaft	Kolben mit Drahtkissenkörper
CN102392151B (zh) *	2011-11-23	2012-12-05	重庆理工大学	加Ca细化Mg-Sn-Sr系镁合金中SrMgSn相的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2747991A (en) *	1945-09-14	1956-05-29	Olin Mathieson	Magnesium-base alloys
US3334998A (en) *	1963-11-15	1967-08-08	Magnesium Elektron Ltd	Magnesium base alloys
CH583783A5 (en) *	1971-09-07	1977-01-14	Dannoehl Walter	Magnesium alloys-and fibre material for metal ceramics
EP0356768A2 (fr) *	1988-09-02	1990-03-07	Bayerische Motoren Werke Aktiengesellschaft	Pièces coulées en métaux légers, notamment pièces en moulage sous pression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2046862A1 (de) *	1970-09-23	1972-03-30	Dr.Ing.H.C. F. Porsche Kg, 7000 Stuttgart	Oberflächenbeschichtung für einen aus einer Magnesiumlegierung bestehenden Kolben von Brennkraftmaschinen
AU544762B2 (en) *	1981-03-25	1985-06-13	Luxfer Group Limited	Magnesium base rare earth alloy
JPH0684526B2 (ja) *	1986-08-08	1994-10-26	トヨタ自動車株式会社	摺動用部材
DE3937616A1 (de) *	1989-11-11	1991-05-16	Kolbenschmidt Ag	Pressgegossener leichtmetallkolben fuer verbrennungskraftmaschinen

1991
- 1991-02-15 DE DE19914104680 patent/DE4104680C2/de not_active Expired - Fee Related
1992
- 1992-02-03 JP JP4751992A patent/JPH0578764A/ja active Pending
- 1992-02-06 EP EP92200333A patent/EP0499321A1/fr not_active Withdrawn

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2747991A (en) *	1945-09-14	1956-05-29	Olin Mathieson	Magnesium-base alloys
US3334998A (en) *	1963-11-15	1967-08-08	Magnesium Elektron Ltd	Magnesium base alloys
CH583783A5 (en) *	1971-09-07	1977-01-14	Dannoehl Walter	Magnesium alloys-and fibre material for metal ceramics
EP0356768A2 (fr) *	1988-09-02	1990-03-07	Bayerische Motoren Werke Aktiengesellschaft	Pièces coulées en métaux légers, notamment pièces en moulage sous pression

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO1993019216A1 (fr) *	1992-03-17	1993-09-30	Metallgesellschaft Aktiengesellschaft	Element mecanique
WO2006105594A1 (fr) *	2005-04-04	2006-10-12	Cast Centre Pty Ltd	Alliage de magnesium
US7682470B2 (en)	2005-04-04	2010-03-23	Cast Centre Pty Ltd	Magnesium alloy
CN101985712A (zh) *	2010-12-08	2011-03-16	重庆理工大学	加Zr细化Mg-RE-Mn-Sc系镁合金晶粒的方法
CN101985712B (zh) *	2010-12-08	2012-06-27	重庆理工大学	加Zr细化Mg-RE-Mn-Sc系镁合金晶粒的方法
CN103131925B (zh) *	2013-03-14	2015-07-15	河南科技大学	一种高强耐热复合稀土镁合金
CN103131925A (zh) *	2013-03-14	2013-06-05	河南科技大学	一种高强耐热复合稀土镁合金
CN107385299A (zh) *	2017-06-27	2017-11-24	郑州轻研合金科技有限公司	一种高模高强镁基复合材料及其制备方法
CN107385299B (zh) *	2017-06-27	2019-12-31	郑州轻研合金科技有限公司	一种高模高强镁基复合材料及其制备方法
CN107354356A (zh) *	2017-06-28	2017-11-17	中国科学院长春应用化学研究所	一种砂型铸造镁合金及其制备方法
CN109234592A (zh) *	2018-11-19	2019-01-18	河北工业大学	一种低温轧制高强韧变形镁合金及其制备方法
CN111378882A (zh) *	2018-12-29	2020-07-07	嘉丰工业科技（惠州）有限公司	一种高导热性能压铸镁合金材料及其制备方法
CN111958186A (zh) *	2020-08-18	2020-11-20	天津航天机电设备研究所	低温装置降低镁锂合金加工温度的方法及应用
CN111958186B (zh) *	2020-08-18	2021-11-30	天津航天机电设备研究所	低温装置降低镁锂合金加工温度的方法及应用
CN117182473A (zh) *	2023-09-27	2023-12-08	中国航发北京航空材料研究院	一种金属间化合物薄壁件制造的方法

Also Published As

Publication number	Publication date
DE4104680A1 (de)	1992-08-20
JPH0578764A (ja)	1993-03-30
DE4104680C2 (de)	2000-05-18

Legal Events

Date	Code	Title	Description
1992-07-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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