EP1147237A1 - Produkt aus übereutektischer aluminum-silizium legierung zur verformung in halbfestem zustand - Google Patents
Produkt aus übereutektischer aluminum-silizium legierung zur verformung in halbfestem zustandInfo
- Publication number
- EP1147237A1 EP1147237A1 EP00900600A EP00900600A EP1147237A1 EP 1147237 A1 EP1147237 A1 EP 1147237A1 EP 00900600 A EP00900600 A EP 00900600A EP 00900600 A EP00900600 A EP 00900600A EP 1147237 A1 EP1147237 A1 EP 1147237A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- eutectic
- silicon
- boron
- aluminum
- alloy
- 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.)
- Granted
Links
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 title abstract description 6
- 230000005496 eutectics Effects 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010703 silicon Substances 0.000 claims abstract description 18
- 210000001787 dendrite Anatomy 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 6
- 239000011777 magnesium Substances 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 239000011572 manganese Substances 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
- 239000010941 cobalt Substances 0.000 claims abstract description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 27
- 229910052796 boron Inorganic materials 0.000 claims description 16
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 229910000676 Si alloy Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 2
- 229910000765 intermetallic Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 238000000518 rheometry Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 2
- 229910001366 Hypereutectic aluminum Inorganic materials 0.000 description 2
- 229910008423 Si—B Inorganic materials 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000010099 solid forming Methods 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 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
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011856 silicon-based particle Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/12—Making non-ferrous alloys by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
- C22C21/04—Modified aluminium-silicon alloys
Definitions
- Hypereutectic aluminum-silicon alloy product for shaping in semi-solid state
- the invention relates to Al-Si alloy products, with possibly other addition elements, in which the silicon content is such that it is equal to or greater than the composition of the eutectic (11.7% in the case where there is no other element of addition).
- These products such as billets, then cut into pieces corresponding to the quantity of metal necessary for the part to be manufactured, or forging blanks, are intended to be reheated in the semi-solid state, that is to say say at a temperature between the solidus and the liquidus of the alloy, to be shaped, in particular by forging or injection under pressure.
- Aluminum-silicon alloys possibly comprising other addition elements such as copper, magnesium, manganese, zinc, nickel or cobalt, and in which the silicon content is equal to or greater than that of eutectics are used for the production of molded parts with low thermal expansion and good resistance to friction, for example pistons and liners of internal combustion engines, or parts of braking or clutch systems. on the other hand, are quite difficult to mold and to machine, and all the more so as the silicon content is high.
- the parts obtained show good metallurgical health, with no shrinkage and segregation and the process allows high rates well suited to large series in the automotive industry.
- Patent application JP 08-323461 (Asahi Tec) describes a process for forming a semi-solid state of a hypereutectic AlSi alloy, in which the shear intended to improve the rheology and the filling of the mold are concomitant, so that the incoming metal introduces stirring which leads to a thixotropic structure and reduces the segregation of the primary silicon crystals.
- the article by I. Diewwanit and MC Flemings "Semi-Solid Forming of Hypereutectic Al-Si Alloys" Light Metals 1996, The Minerais, Metals & Materials Society, pp.
- the Applicant has discovered that it is possible to obtain, for eutectic or hypereutectic AlSi alloys, rheological properties in the semi-solid state very favorable for shaping by thixoforming starting from a solid product having a particular solidification structure. , obtained in a simple way without mechanical or electromagnetic stirring.
- the subject of the invention is a product made of an eutectic or hypereutectic aluminum-silicon alloy suitable for thixoforming, comprising (by weight) from 10 to 30% of silicon and optionally copper ( ⁇ 10%), magnesium ( ⁇ 3%), manganese ( ⁇ 2%), iron ( ⁇ 2%), nickel ( ⁇ 4%), cobalt ( ⁇ 3%) and other elements ( ⁇ 0.5% each and 1% in total), whose microstructure in the raw casting state consists of primary silicon crystals, equiaxial type aluminum dendrites and less than 4 mm in size, and an eutectic consisting of eutectic silicon grains and eutectic aluminum less than 4 mm in size. It also relates to a process for obtaining this microstructure consisting in adding to the alloy from 50 to 2000 ppm (by weight) of boron, the amount added being in excess compared to that strictly necessary for the precipitation of impurities.
- the solidification structure of the hypereutectic AlSi alloys comprises: a) primary silicon particles, the size of which can be refined, in particular by adding 20 to 500 ppm of phosphorus, b ) aluminum dendrites formed at the start of the eutectic plateau, which often reach sizes greater than 5 mm, c) an eutectic consisting of eutectic silicon grains and eutectic aluminum grains and, where appropriate, of intermetallic phases making intervene the other alloying elements such as Cu, Mg or Ni.
- the size of the eutectic aluminum grains is correlated with that of the dendrites and substantially of the same value. Can reveal the presence and size of these grains * eutectic aluminum columnar appearance by etching the sample ferric chloride or three-acid.
- the Applicant has found that when either the aluminum dendrites or the eutectic aluminum grains have a columnar (or basaltic) shape and a size greater than 4 mm, the product reheated in the semi-solid state to 'at a liquid fraction rate of between 20 and 60% had a poorly globulated structure, the eutectic aluminum grains having an elongated shape leading to a rheology unfavorable for shaping under good conditions.
- the dendrites and the eutectic aluminum grains had an equiaxial type structure, with a size less than 4 mm, the structure of the product reheated in the semi-solid state is well globulated, which leads to a rheology favorable for easy shaping of the part to be produced and good metallurgical quality of this part.
- the structure according to the invention is found in the entire piece or blank to be heated. Indeed, if this structure only exists in one part, the heterogeneity of the structure leads to difficulties during shaping.
- An effective means of obtaining, in a reliable and repetitive manner, and without resorting to mechanical or electromagnetic stirring, the structure according to the invention is to add to the liquid metal intended to be cast in the form of a billet or a blank of 0.005 at 0.2%, and preferably from 0.01 to 0.05%, of boron. Boron is used in the usual way for the purification of aluminum, so as to precipitate impurities such as Ti, Zr, Mn or V in the form of intermetallic borides.
- Titanium and boron master alloys such as 1 ⁇ -T5B, are also usually used to refine the grain of the aluminum, by formation of TiB 2 particles; in these alloys the titanium is in excess relative to the stoichiometric quantity necessary for the formation of TiB and the total boron content does not exceed 50 ppm.
- the boron added according to the invention is in excess of at least 0.005% relative to the stoichiometric quantity strictly necessary for elimination of impurities in the form of intermetallic compounds.
- the addition of boron can be in the form of master alloys Al-B (for example the alloys A-B3 or A-B6). Si-B or Al-Si-B (e.g., the alloy A-S10B3). It can also be done in the form of a fluoborate flux.
- the products according to the invention can be used for all the usual applications of eutectic or hypereutectic alloys up to 30% of silicon, in particular parts subjected to wear-friction, such as drums and brake discs, cylinders or liners of engines. or compressors, pistons and gearbox forks.
- Alloys A-S17U4G containing (by weight) 17% Si, 4% Cu and 0.6% Mg were developed, with the addition of 100 ppm of phosphorus to refine the primary silicon grains.
- Alloy A contained no other addition alloy B was produced with the addition of 0.15% titanium and 0.3% AT5B, the master alloy with 5% titanium and 1% boron.
- Alloy C according to the invention was prepared with the addition of 0.03%> of boron. The metal was cast in the form of 75 mm diameter billets by semi-continuous casting under load, without mechanical or electromagnetic stirring.
- the examination of a section reveals a structure with dendrites and aluminum grains of equiaxial appearance, testifying to a homogeneous germination, of size between 0.2 and 2 mm. After reheating in the semi-solid state, the eutectic aluminum is perfectly globulated, and the rheology test is systematically good.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Powder Metallurgy (AREA)
- Continuous Casting (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Forging (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9900787 | 1999-01-21 | ||
| FR9900787A FR2788788B1 (fr) | 1999-01-21 | 1999-01-21 | Produit en alliage aluminium-silicium hypereutectique pour mise en forme a l'etat semi-solide |
| PCT/FR2000/000095 WO2000043559A1 (fr) | 1999-01-21 | 2000-01-18 | Produit en alliage aluminium-silicium hypereutectique pour mise en forme a l'etat semi-solide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1147237A1 true EP1147237A1 (de) | 2001-10-24 |
| EP1147237B1 EP1147237B1 (de) | 2003-07-23 |
Family
ID=9541194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00900600A Expired - Lifetime EP1147237B1 (de) | 1999-01-21 | 2000-01-18 | Produkt aus übereutektischer aluminum-silizium legierung zur verformung in halbfestem zustand |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6200396B1 (de) |
| EP (1) | EP1147237B1 (de) |
| JP (1) | JP2002535488A (de) |
| AT (1) | ATE245714T1 (de) |
| AU (1) | AU3055600A (de) |
| BR (1) | BR0007637A (de) |
| CA (1) | CA2360673A1 (de) |
| CZ (1) | CZ20012658A3 (de) |
| DE (1) | DE60004010D1 (de) |
| FR (1) | FR2788788B1 (de) |
| NO (1) | NO20013576L (de) |
| PL (1) | PL349340A1 (de) |
| SK (1) | SK10002001A3 (de) |
| WO (1) | WO2000043559A1 (de) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3003031B1 (ja) * | 1998-08-25 | 2000-01-24 | 株式会社戸塚天竜製作所 | Ａｌ−Ｓｉ合金の溶湯の初晶Ｓｉを微細化する方法 |
| US20040055724A1 (en) * | 2002-09-20 | 2004-03-25 | Spx Corporation | Semi-solid metal casting process and product |
| US7100669B1 (en) * | 2003-04-09 | 2006-09-05 | Brunswick Corporation | Aluminum-silicon casting alloy having refined primary silicon due to pressure |
| US6994147B2 (en) * | 2003-07-15 | 2006-02-07 | Spx Corporation | Semi-solid metal casting process of hypereutectic aluminum alloys |
| US20050103461A1 (en) * | 2003-11-19 | 2005-05-19 | Tht Presses, Inc. | Process for generating a semi-solid slurry |
| CN100338248C (zh) * | 2003-11-20 | 2007-09-19 | 北京有色金属研究总院 | 一种Al－Mg－Si系合金半固态坯料的制备方法及其半固态坯料 |
| JP4665413B2 (ja) * | 2004-03-23 | 2011-04-06 | 日本軽金属株式会社 | 高剛性・低線膨張率を有する鋳造用アルミニウム合金 |
| GB0514751D0 (en) | 2005-07-19 | 2005-08-24 | Holset Engineering Co | Method and apparatus for manufacturing turbine or compressor wheels |
| CN100348761C (zh) * | 2006-02-17 | 2007-11-14 | 刘相法 | 一种P－Si中间合金及其制备方法 |
| RU2496604C2 (ru) * | 2008-09-17 | 2013-10-27 | Кул Полимерз, Инк. | Инжекционное формование металлов с многокомпонентным составом |
| JP5655953B2 (ja) * | 2011-10-11 | 2015-01-21 | 日本軽金属株式会社 | Ａｌ−Ｆｅ−Ｓｉ系化合物及び初晶Ｓｉを微細化させたアルミニウム合金の製造方法 |
| CN102965551A (zh) * | 2012-11-26 | 2013-03-13 | 中国铝业股份有限公司 | 一种过共晶铝硅合金及其制备方法 |
| JP6011998B2 (ja) * | 2012-12-25 | 2016-10-25 | 日本軽金属株式会社 | Ａｌ−Ｆｅ−Ｓｉ系化合物を微細化させたアルミニウム合金の製造方法 |
| CN103934437B (zh) * | 2014-04-01 | 2017-02-08 | 上海交通大学 | 初生硅细化的高硅铝合金流变浆料的制备方法 |
| EP3237647B1 (de) * | 2014-12-23 | 2018-09-26 | Hydro Aluminium Rolled Products GmbH | Si-primärpartikelfreie aluminiumlotlegierung und verfahren zu deren herstellung |
| ES3066613T3 (en) | 2015-08-13 | 2026-05-13 | Alcoa Usa Corp | 3xx aluminum casting alloy, and shape cast product made therefrom |
| CN109881055B (zh) * | 2019-03-25 | 2021-06-22 | 常州大学 | 一种共晶铝硅合金一步法磷硼双重变质方法 |
| CN109913675B (zh) * | 2019-03-25 | 2020-10-09 | 常州大学 | 一种用于共晶铝硅合金的Al-B-P双重变质剂及其制备方法和应用 |
| CN110724858A (zh) * | 2019-10-24 | 2020-01-24 | 成都先进金属材料产业技术研究院有限公司 | 过共晶铝硅合金半固态浆料或坯料的制备方法 |
| CN111647782A (zh) * | 2020-06-19 | 2020-09-11 | 山东省科学院新材料研究所 | 一种再生铝合金及其制备方法 |
| WO2024048895A1 (ko) * | 2022-09-01 | 2024-03-07 | 한국재료연구원 | 알루미늄 합금 주조재 및 이를 포함하는 브레이크 디스크 |
| KR102883887B1 (ko) * | 2022-09-01 | 2025-11-11 | 한국재료연구원 | 알루미늄 합금 주조재 및 이를 포함하는 브레이크 디스크 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4681736A (en) * | 1984-12-07 | 1987-07-21 | Aluminum Company Of America | Aluminum alloy |
| US5217546A (en) * | 1988-02-10 | 1993-06-08 | Comalco Aluminum Limited | Cast aluminium alloys and method |
| US5009844A (en) * | 1989-12-01 | 1991-04-23 | General Motors Corporation | Process for manufacturing spheroidal hypoeutectic aluminum alloy |
| NO174165C (no) * | 1992-01-08 | 1994-03-23 | Elkem Aluminium | Fremgangsmåte ved kornforfining av aluminium samt kornforfiningslegering for utförelse av fremgangsmåten |
| DE69327195T2 (de) * | 1992-01-13 | 2000-04-06 | Honda Giken Kogyo K.K. | Verfahren zum Giessen von Aluminiumlegierungen und Gusstücken |
| DE59306300D1 (de) * | 1992-01-30 | 1997-06-05 | Efu Ges Fuer Ur Umformtechnik | Verfahren zur Herstellung von Formteilen aus Metallegierungen |
| NO950843L (no) * | 1994-09-09 | 1996-03-11 | Ube Industries | Fremgangsmåte for behandling av metall i halvfast tilstand og fremgangsmåte for stöping av metallbarrer til bruk i denne fremgangsmåte |
| US5968292A (en) * | 1995-04-14 | 1999-10-19 | Northwest Aluminum | Casting thermal transforming and semi-solid forming aluminum alloys |
| IT1278230B1 (it) * | 1995-05-31 | 1997-11-17 | Reynolds Wheels Spa | Metodo per portare masselli in lega di alluminio quali lingotti, billette e simili allo stato semisolido-semiliquido atto a consentire |
| JPH08323461A (ja) * | 1995-06-02 | 1996-12-10 | Asahi Tec Corp | Ａｌ−Ｓｉ系過共晶合金製成形品の製造方法 |
| FR2746414B1 (fr) * | 1996-03-20 | 1998-04-30 | Pechiney Aluminium | Alliage thixotrope aluminium-silicium-cuivre pour mise en forme a l'etat semi-solide |
-
1999
- 1999-01-21 FR FR9900787A patent/FR2788788B1/fr not_active Expired - Fee Related
- 1999-12-07 US US09/455,766 patent/US6200396B1/en not_active Expired - Fee Related
-
2000
- 2000-01-18 PL PL00349340A patent/PL349340A1/xx unknown
- 2000-01-18 AT AT00900600T patent/ATE245714T1/de not_active IP Right Cessation
- 2000-01-18 JP JP2000594965A patent/JP2002535488A/ja active Pending
- 2000-01-18 CA CA002360673A patent/CA2360673A1/fr not_active Abandoned
- 2000-01-18 DE DE60004010T patent/DE60004010D1/de not_active Expired - Lifetime
- 2000-01-18 BR BR0007637-6A patent/BR0007637A/pt not_active Application Discontinuation
- 2000-01-18 WO PCT/FR2000/000095 patent/WO2000043559A1/fr not_active Ceased
- 2000-01-18 SK SK1000-2001A patent/SK10002001A3/sk unknown
- 2000-01-18 CZ CZ20012658A patent/CZ20012658A3/cs unknown
- 2000-01-18 AU AU30556/00A patent/AU3055600A/en not_active Abandoned
- 2000-01-18 EP EP00900600A patent/EP1147237B1/de not_active Expired - Lifetime
-
2001
- 2001-07-19 NO NO20013576A patent/NO20013576L/no not_active Application Discontinuation
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0043559A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000043559A1 (fr) | 2000-07-27 |
| FR2788788B1 (fr) | 2002-02-15 |
| FR2788788A1 (fr) | 2000-07-28 |
| NO20013576D0 (no) | 2001-07-19 |
| EP1147237B1 (de) | 2003-07-23 |
| PL349340A1 (en) | 2002-07-15 |
| JP2002535488A (ja) | 2002-10-22 |
| CA2360673A1 (fr) | 2000-07-27 |
| CZ20012658A3 (cs) | 2002-08-14 |
| NO20013576L (no) | 2001-09-14 |
| BR0007637A (pt) | 2001-11-06 |
| DE60004010D1 (de) | 2003-08-28 |
| US6200396B1 (en) | 2001-03-13 |
| ATE245714T1 (de) | 2003-08-15 |
| SK10002001A3 (sk) | 2002-02-05 |
| AU3055600A (en) | 2000-08-07 |
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