EP0457380A1 - Procédé pour la fabrication d'alliages contenant du disiliciure de magnésium - Google Patents
Procédé pour la fabrication d'alliages contenant du disiliciure de magnésium Download PDFInfo
- Publication number
- EP0457380A1 EP0457380A1 EP91200911A EP91200911A EP0457380A1 EP 0457380 A1 EP0457380 A1 EP 0457380A1 EP 91200911 A EP91200911 A EP 91200911A EP 91200911 A EP91200911 A EP 91200911A EP 0457380 A1 EP0457380 A1 EP 0457380A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mg2si
- phosphorus
- melt
- alloy melt
- weight
- Prior art date
- 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- Withdrawn
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 38
- 239000000956 alloy Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title description 4
- 229910052749 magnesium Inorganic materials 0.000 title description 4
- 239000011777 magnesium Substances 0.000 title description 4
- 229910019752 Mg2Si Inorganic materials 0.000 claims abstract description 38
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 23
- 239000011574 phosphorus Substances 0.000 claims abstract description 23
- 239000000155 melt Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- -1 phosphide Chemical class 0.000 claims description 4
- 230000005496 eutectics Effects 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical class [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 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
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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
Definitions
- the invention relates to a process for the melt metallurgical production of fine-grained, heterogeneous, ductile Mg2Si containing alloys in which the intermetallic Mg2Si phase primarily solidifies.
- Materials based on intermetallic phases combine metallic and ceramic properties, e.g. good thermal conductivity, high melting temperature and partially satisfactory ductility, so that they appear to be suitable for filling the area between the conventional metallic high-temperature materials and the high-temperature-resistant but brittle ceramics.
- the intermetallic phase alloy Mg2Si according to DE 37 02 721 A which has a melting point of 1092 ° C, a density of 1.95 g / cm3 and a practically vanishing homogeneity range, has improved heat resistance compared to conventional light metal materials with a comparatively low density, good formability and simple manufacture having.
- Mg2Si has a high hardness HV of 450 at room temperature and 180 at 360 ° C, a low thermal expansion of 7 x 10 ⁇ 6 K ⁇ 1 at room temperature and 12 x 10 ⁇ 6 K ⁇ 1 at 360 ° C and good hot gas corrosion resistance has, this material is excellently suitable for the production of components of internal combustion engines exposed to high thermal-mechanical loads, but in particular for the production of components, preferably pistons, which delimit the combustion chamber of internal combustion engines.
- the compressive strength of Mg2Si is 1600 mPa at room temperature.
- grain refinement is appropriate, which can be achieved by adding up to 42% by weight of aluminum and / or up to 22% by weight of silicon.
- a preferred composition of the Mg2Si alloy consists in the three-substance system aluminum-magnesium-silicon in the area delimited by the eutectic groove, the quasi-binary cut and by 42% by weight.
- the ductility can also be improved in that the silicon by 0.1 to 10 wt .-% of one or more of the elements germanium, Tin, lead or substituted by elements with similar physicochemical properties.
- a fine-grained structure can also be achieved by adding 0.01 to 1% by weight of the Mg2Si crystallizers such as boron, titanium, lithium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten individually or in groups .
- the Mg2Si crystallizers such as boron, titanium, lithium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum and tungsten individually or in groups .
- the hardness of Mg2Si can be increased by adding nickel, copper and / or cerium.
- melt metallurgical production of Mg2Si alloys takes place using conventional crucible materials in an inert atmosphere and with a melt overheating of 20 to 50 ° C. Iron or copper is particularly suitable as the material for the molds.
- the Mg2Si alloys produced in this way have a dendritic solidification form of the Mg2Si crystallites with a maximum average grain diameter of approx. 200 ⁇ m.
- Heterogeneous Mg2Si alloys in combination with light metals such as Aluminum and magnesium also have a clearly inhomogeneous distribution of these crystallites in the aluminum and magnesium matrix. Due to the high gas solubility of the alloy components mentioned, especially for hydrogen, the hypereutectic concentrations are not easy to produce.
- such Mg2Si alloys despite a high cooling rate of more than 104 K x S -1, especially in copper molds with Mg2Si contents of more than 30 mol% tend to have high gas porosity.
- the object of the present invention is to design the melt metallurgical production of Mg2Si-containing alloys in such a way that the dendritic structure of the Mg2Si crystallites is suppressed and the maximum grain size of the Mg2Si crystallites is reduced to values below 30 ⁇ m.
- the Mg2Si containing alloy melt is doped with 0.05 to 2.00 wt .-% phosphorus.
- the smallest phosphorus-containing nuclei form, on which primarily form Mg2Si crystallites solidify, whereby the maximum grain size of the Mg2Si crystallites is reduced to a maximum size of 30 ⁇ m, preferably 13 to 15 ⁇ m.
- This can lead to grain refinement due to the formation of heterogeneous, nucleating, finely dispersed phosphides in the alloy melt, on which Mg2Si crystallites crystallize during solidification via a peritectic reaction and additionally cause grain refinement in this way.
- a phosphorus content of less than 0.15% by weight the grain-refining effect of the phosphorus begins to decrease slightly, so that when the alloy solidifies, the mean maximum grain size of the Mg2Si crystallites increases and thus their dendritic solidification structure increases.
- no grain-refining effect can be observed anymore.
- Mg2Si-containing alloy melts with more than 30 mol% Mg2Si are doped with> 0.3 to 2.0% by weight phosphorus in order to reduce the gas porosity of the alloy structure.
- the phosphorus can be replaced in whole or in part by phosphorus-containing master alloys of eutectic composition, such as CuP or the like, and phosphorus-containing salts, such as phosphides, phosphites, phosphates or the like.
- the Mg2Si-containing alloy melt can be alloyed with up to 5% by weight of copper according to a further feature of the invention.
- the alloy melt In order to improve the hardening of the Mg2Si alloy produced, it may be appropriate to dope the alloy melt with up to 5.0% by weight of copper. At a copper content of more than 5% by weight, embrittlement occurs, the corrosion resistance and the temperature resistance decrease.
- a preferred composition of the Mg2Si containing alloy melt consists of additions of 1 to 85 wt .-% aluminum and / or 2 to 58 wt .-% silicon.
- the alloy components are melted in a crucible made of conventional materials, such as coal or alumina / graphite, and with a melt overheating - to achieve an improved stirring effect and an improved pourability - from 20 to 50 ° C, preferably cast in an inert gas stream, in water-cooled molds made of common materials such as copper or iron.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4015741A DE4015741A1 (de) | 1990-05-16 | 1990-05-16 | Verfahren zur herstellung von mg(pfeil abwaerts)2(pfeil abwaerts)si enthaltenden legierungen |
| DE4015741 | 1990-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0457380A1 true EP0457380A1 (fr) | 1991-11-21 |
Family
ID=6406551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP91200911A Withdrawn EP0457380A1 (fr) | 1990-05-16 | 1991-04-17 | Procédé pour la fabrication d'alliages contenant du disiliciure de magnésium |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5141703A (fr) |
| EP (1) | EP0457380A1 (fr) |
| JP (1) | JPH04323338A (fr) |
| BR (1) | BR9101987A (fr) |
| CA (1) | CA2041233A1 (fr) |
| DE (1) | DE4015741A1 (fr) |
| NO (1) | NO911778L (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2705171B1 (fr) | 2011-05-03 | 2015-08-26 | SAG Motion AG | Procédé de raffinage et de modification de structure d'alliages d'almgsi |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07112625B2 (ja) * | 1991-04-04 | 1995-12-06 | 日本電装株式会社 | アルミニウムの真空ろう付方法および真空ろう付炉と、真空ろう付用アルミニウムブレージングシート |
| US5326552A (en) * | 1992-12-17 | 1994-07-05 | Sterling Winthrop Inc. | Formulations for nanoparticulate x-ray blood pool contrast agents using high molecular weight nonionic surfactants |
| KR100252237B1 (ko) * | 1996-04-25 | 2000-04-15 | 정몽규 | 고압주조용 마그네슘 합금 |
| FR2752244B1 (fr) * | 1996-08-06 | 1998-09-18 | Pechiney Rhenalu | Produit pour construction soudee en alliage almgmn a tenue a la corrosion amelioree |
| US6168675B1 (en) | 1997-12-15 | 2001-01-02 | Alcoa Inc. | Aluminum-silicon alloy for high temperature cast components |
| EP1533394A1 (fr) * | 2003-11-20 | 2005-05-25 | Alcan Technology & Management Ltd. | Composant de carrosserie pour voiture |
| EP2156945A1 (fr) | 2008-08-13 | 2010-02-24 | Novelis Inc. | Produit de tôle plaquée automobile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT159679B (de) * | 1935-10-22 | 1940-10-25 | Roland Dr Mitsche | Magnesiumlegierung. |
| SU492582A1 (ru) * | 1974-07-01 | 1975-11-25 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Сплав на основе магни |
| DE3702721A1 (de) * | 1986-02-26 | 1987-08-27 | Metallgesellschaft Ag | Intermetallische-phasen-legierungen und verfahren zu deren herstellung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162552A (en) * | 1961-06-02 | 1964-12-22 | Dow Chemical Co | Magnesium-base extrusion alloy |
| US3119684A (en) * | 1961-11-27 | 1964-01-28 | Dow Chemical Co | Article of magnesium-base alloy and method of making |
| US3162511A (en) * | 1963-07-18 | 1964-12-22 | Dow Chemical Co | Composite alloy |
| US4675157A (en) * | 1984-06-07 | 1987-06-23 | Allied Corporation | High strength rapidly solidified magnesium base metal alloys |
-
1990
- 1990-05-16 DE DE4015741A patent/DE4015741A1/de not_active Withdrawn
-
1991
- 1991-04-17 EP EP91200911A patent/EP0457380A1/fr not_active Withdrawn
- 1991-04-25 CA CA002041233A patent/CA2041233A1/fr not_active Abandoned
- 1991-05-06 NO NO91911778A patent/NO911778L/no unknown
- 1991-05-07 US US07/696,655 patent/US5141703A/en not_active Expired - Fee Related
- 1991-05-13 JP JP3137246A patent/JPH04323338A/ja active Pending
- 1991-05-15 BR BR919101987A patent/BR9101987A/pt unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT159679B (de) * | 1935-10-22 | 1940-10-25 | Roland Dr Mitsche | Magnesiumlegierung. |
| SU492582A1 (ru) * | 1974-07-01 | 1975-11-25 | Белорусский Ордена Трудового Красного Знамени Политехнический Институт | Сплав на основе магни |
| DE3702721A1 (de) * | 1986-02-26 | 1987-08-27 | Metallgesellschaft Ag | Intermetallische-phasen-legierungen und verfahren zu deren herstellung |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2705171B1 (fr) | 2011-05-03 | 2015-08-26 | SAG Motion AG | Procédé de raffinage et de modification de structure d'alliages d'almgsi |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4015741A1 (de) | 1991-11-21 |
| JPH04323338A (ja) | 1992-11-12 |
| BR9101987A (pt) | 1991-12-24 |
| NO911778D0 (no) | 1991-05-06 |
| NO911778L (no) | 1991-11-18 |
| US5141703A (en) | 1992-08-25 |
| CA2041233A1 (fr) | 1991-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT SE |
|
| 17P | Request for examination filed |
Effective date: 19920510 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Withdrawal date: 19930911 |