EP0992601A1 - Méthode de fabrication d'un composant d'alliage d' aluminium par moulage sous pression - Google Patents
Méthode de fabrication d'un composant d'alliage d' aluminium par moulage sous pression Download PDFInfo
- Publication number
- EP0992601A1 EP0992601A1 EP98810995A EP98810995A EP0992601A1 EP 0992601 A1 EP0992601 A1 EP 0992601A1 EP 98810995 A EP98810995 A EP 98810995A EP 98810995 A EP98810995 A EP 98810995A EP 0992601 A1 EP0992601 A1 EP 0992601A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- component
- alloy
- max
- temperature range
- 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- Withdrawn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
- 238000004512 die casting Methods 0.000 title claims abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 32
- 239000000956 alloy Substances 0.000 claims abstract description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 20
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 9
- 239000011572 manganese Substances 0.000 claims abstract description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 239000011777 magnesium Substances 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 5
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 3
- 239000011651 chromium Substances 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 239000010936 titanium Substances 0.000 claims abstract description 3
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000013007 heat curing Methods 0.000 claims description 3
- 229910019018 Mg 2 Si Inorganic materials 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000004881 precipitation hardening Methods 0.000 claims description 2
- 238000010791 quenching Methods 0.000 abstract description 7
- 230000000171 quenching effect Effects 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000005496 eutectics Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009827 uniform distribution Methods 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
- C22C21/04—Modified aluminium-silicon alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
Definitions
- the invention relates to a method for producing a component with high Ductility requirements from an aluminum alloy by die casting. in the An application of the method as well as a Use of a component manufactured using the method.
- the die-casting process enables the cost-effective production of large quantities Manufacture of thin-walled castings, such as those used in crash-relevant components Automotive engineering can be used.
- Thin-walled parts place high demands of the castability.
- Aluminum alloys that adhere to the flow behavior or mold filling requirements, are mainly alloys with a Si eutectic.
- Suitable alloy based on aluminum-silicon is from EP-B-0687742 known.
- the alloy corresponds to the type AlSi9Mg with considerable reduced iron content and strontium refinement of the AlSi eutectic.
- the alloy becomes complete before heat treatment is carried out solution annealed and then quenched.
- the invention is therefore based on the object of an aluminum alloy specify a heat treatment with which a high elongation at break sufficient yield strength even without high-temperature annealing can be achieved with subsequent water quenching.
- the alloy essentially corresponds to the alloy known from EP-B-0687742 with an increased iron and reduced manganese content.
- This variation in the alloy composition has a positive influence on the mechanical properties, since the Al 12 (Mg, Fe) Si 2 phases are significantly finer and more evenly distributed, which ultimately results in improved ductility. Due to the higher iron content, aluminum of lower purity can be used as an alloy base, which reduces the cost of the alloy. In addition, the higher iron content makes it possible to reduce the manganese additive used to reduce the tendency of the alloy to stick in the die.
- the temperature range and duration of the solution annealing are thus chosen so that on the one hand the strong cast oversaturation of Silicon is broken down to improve the ductility and on the other hand the Yield strength through subsequent heat curing to the required Values can be set.
- the temperature range for the partial solution treatment is preferably between about 420 and 460 ° C. Accepting a minor mechanical The component can lose strength for certain applications without subsequent Hot curing can be used.
- the component can also be heat-cured after the partial solution annealing in the temperature range of the precipitation hardening of Mg 2 Si.
- This heat curing is preferably carried out in a temperature range from approximately 190 to 220 ° C.
- the preferred field of application of the method according to the invention is in the production of large-area and thin-walled components with high absorption capacity for kinetic energy through plastic deformation, i.e. crash-relevant components such as safety components in vehicle construction and be used in particular in the automotive industry.
- crash-relevant components such as safety components in vehicle construction and be used in particular in the automotive industry.
- safety components are space frame nodes and crash elements.
- alloy B is a comparative alloy and corresponds to an alloy according to EP-B-0687742.
- alloy Composition (% by weight) Si Mn Fe Mg Ti Sr.
- A 10.45 0.45 0.24 0.28 0.05 0.014
- B 10.88 0.58 0.10 0.17 0.05 0.013
- Alloys A and B became the same, difficult to cast Component manufactured with a vacuum die casting process.
- the component is a so-called "B-pillar" for vehicle construction, i.e. on large-area and thin-walled component with a wall thickness of 2 mm.
- the component made from alloy A according to the invention was subjected to the following heat treatment after casting: Partial solution annealing 440 ° C / 60 min in air Cooling in still air Hot aging 220 ° C / 110 min in air
- the distortion was measured on a component made from alloy A according to the invention after various heat treatments.
- the distortion was determined as follows: A reference point (zero point) was defined on the cast part in the cast state (ie before the heat treatment) at a certain point. After the heat treatment, the distance to the reference point was then measured. This distance defines the distortion as a measure of the deformation that arises due to the heat treatment carried out.
- Table 2 Heat treatment / cooling Solution annealing 493 ° C / 60 min water quenching part. Solution annealing 440 ° C / 60 min cooling in still air part. Solution annealing 440 ° C / 60 min cooling with fan Delay (mm) 6.5 ⁇ 0.5 ⁇ 0.5
- alloy A according to the invention The components made from alloy A according to the invention and comparative alloy B were heat-treated as follows after casting: Partial solution annealing 420 ° C / 20 min Cooling in still air
- Table 3 clearly shows the improved elongation at break values of alloy A according to the invention compared to comparative alloy B.
- This improved ductility of alloy A according to the invention becomes the positive influence of the higher iron content and consequently the finer formation and more uniform distribution of Al 12 (Mn, Fe) Si 2 Phases in the alloy A according to the invention compared to the comparative alloy B.
- the different formation and distribution of the brittle Al 12 (Mn, Fe) Si 2 phases could be confirmed metallographically using micrographs.
- Orientative tests have further shown that even when the iron content is increased to 0.35% by weight and the manganese content is simultaneously reduced to 0.4% by weight, no ⁇ -AlFeSi phases harmful to the ductility occur.
- Corrosion tests have also shown that pitting corrosion observed with small iron contents due to the rough precipitation of the Al 12 (Mn, Fe) Si phases, which act as cathodic local elements, is prevented by the increased iron content.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Body Structure For Vehicles (AREA)
- Heat Treatment Of Articles (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Extrusion Of Metal (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Forging (AREA)
- Powder Metallurgy (AREA)
- Die Bonding (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98810995A EP0992601A1 (fr) | 1998-10-05 | 1998-10-05 | Méthode de fabrication d'un composant d'alliage d' aluminium par moulage sous pression |
| DE59903009T DE59903009D1 (de) | 1998-10-05 | 1999-04-15 | Verfahren zur Herstellung eines Bauteiles aus einer Aluminiumlegierung durch Druckgiessen |
| AT99810313T ATE225868T1 (de) | 1998-10-05 | 1999-04-15 | Verfahren zur herstellung eines bauteiles aus einer aluminiumlegierung durch druckgiessen |
| ES99810313T ES2181382T3 (es) | 1998-10-05 | 1999-04-15 | Procedimiento para fabricar una pieza de montaje a partir de una aleacion de aluminio mediante colada a presion. |
| SI9930168T SI0997550T1 (en) | 1998-10-05 | 1999-04-15 | Method for fabricating a component from an aluminium alloy by pressure die-casting |
| DK99810313T DK0997550T3 (da) | 1998-10-05 | 1999-04-15 | Fremgangsmåde til fremstilling af en konstruktionsdel af en aluminiumslegering ved trykstøbning |
| EP99810313A EP0997550B1 (fr) | 1998-10-05 | 1999-04-15 | Méthode de fabrication d' un composant d' alliage d' aluminium par moulage sous pression |
| PT99810313T PT997550E (pt) | 1998-10-05 | 1999-04-15 | Processo para a producao de um componente de uma liga de aluminio atraves de fundicao sob pressao |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98810995A EP0992601A1 (fr) | 1998-10-05 | 1998-10-05 | Méthode de fabrication d'un composant d'alliage d' aluminium par moulage sous pression |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0992601A1 true EP0992601A1 (fr) | 2000-04-12 |
Family
ID=8236368
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98810995A Withdrawn EP0992601A1 (fr) | 1998-10-05 | 1998-10-05 | Méthode de fabrication d'un composant d'alliage d' aluminium par moulage sous pression |
| EP99810313A Expired - Lifetime EP0997550B1 (fr) | 1998-10-05 | 1999-04-15 | Méthode de fabrication d' un composant d' alliage d' aluminium par moulage sous pression |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99810313A Expired - Lifetime EP0997550B1 (fr) | 1998-10-05 | 1999-04-15 | Méthode de fabrication d' un composant d' alliage d' aluminium par moulage sous pression |
Country Status (7)
| Country | Link |
|---|---|
| EP (2) | EP0992601A1 (fr) |
| AT (1) | ATE225868T1 (fr) |
| DE (1) | DE59903009D1 (fr) |
| DK (1) | DK0997550T3 (fr) |
| ES (1) | ES2181382T3 (fr) |
| PT (1) | PT997550E (fr) |
| SI (1) | SI0997550T1 (fr) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2522716A (en) * | 2014-02-04 | 2015-08-05 | Jbm Internat Ltd | Method of manufacture |
| CN104962790A (zh) * | 2015-08-01 | 2015-10-07 | 李白 | 一种物联网用信息采集装置 |
| WO2017135463A1 (fr) * | 2016-02-05 | 2017-08-10 | 学校法人芝浦工業大学 | Alliage d'aluminium pour coulée, composant d'alliage d'aluminium et procédé de fabrication d'un composant d'alliage d'aluminium |
| CN112662920A (zh) * | 2020-12-02 | 2021-04-16 | 成都慧腾创智信息科技有限公司 | 一种高导热高韧性压铸铝硅合金及其制备方法 |
| CN116555637A (zh) * | 2022-01-28 | 2023-08-08 | 通用汽车环球科技运作有限责任公司 | 具有定制的机械和腐蚀性质的部件 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6921512B2 (en) * | 2003-06-24 | 2005-07-26 | General Motors Corporation | Aluminum alloy for engine blocks |
| DK1612286T3 (da) * | 2004-06-29 | 2011-10-24 | Rheinfelden Aluminium Gmbh | Aluminiumlegering til trykstøbning |
| JP2006183122A (ja) * | 2004-12-28 | 2006-07-13 | Denso Corp | ダイカスト用アルミニウム合金およびアルミニウム合金鋳物の製造方法 |
| DE102006032699B4 (de) * | 2006-07-14 | 2010-09-09 | Bdw Technologies Gmbh & Co. Kg | Aluminiumlegierung und deren Verwendung für ein Gussbauteil insbesondere eines Kraftwagens |
| WO2009059591A2 (fr) | 2007-11-08 | 2009-05-14 | Ksm Castings Gmbh | Support d'essieu avant pour véhicules automobiles |
| DE102008024524A1 (de) | 2008-05-21 | 2009-11-26 | Bdw Technologies Gmbh | Verfahren und Anlage zur Herstellung eines Gussbauteils |
| DE102008029864B4 (de) * | 2008-06-24 | 2011-02-24 | Bdw Technologies Gmbh | Gussbauteil und Verfahren zu dessen Herstellung |
| DE102009019269A1 (de) * | 2009-04-28 | 2010-11-11 | Audi Ag | Aluminium-Silizium-Druckgusslegierung für dünnwändige Strukturbauteile |
| DE102010061895A1 (de) * | 2010-07-21 | 2012-01-26 | Bdw Technologies Gmbh | Verfahren zum Wärmebehandeln eines Gussbauteils |
| ES2507865T5 (en) * | 2010-12-28 | 2025-10-27 | Casa Maristas Azterlan | Method for obtaining improved mechanical properties in recycled aluminium castings free of platelet-shaped beta-phases |
| EP2735621B1 (fr) * | 2012-11-21 | 2015-08-12 | Georg Fischer Druckguss GmbH & Co. KG | Alliage à coulée sous pression en aluminium |
| DE102018214739A1 (de) * | 2018-08-30 | 2020-03-05 | Magna BDW technologies GmbH | Hochfestes Gehäuse, sowie Verfahren zur Herstellung von hochfesten Guss-Gehäusen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938388A (ja) * | 1982-08-26 | 1984-03-02 | Okuno Seiyaku Kogyo Kk | アルミニウム合金鋳物又はアルミニウム合金ダイカストの表面処理方法 |
| EP0630982A1 (fr) * | 1993-06-22 | 1994-12-28 | M J Grootes Investments Cc | Volant |
| JPH0791624B2 (ja) * | 1988-05-11 | 1995-10-04 | 本田技研工業株式会社 | アルミニウム合金鋳物品の製造方法 |
| EP0687742A1 (fr) * | 1994-06-16 | 1995-12-20 | ALUMINIUM RHEINFELDEN GmbH | Alliage pour coulée sous pression |
| JPH09272957A (ja) * | 1996-04-08 | 1997-10-21 | Nippon Light Metal Co Ltd | 光沢性に優れたダイカスト鋳造アルミニウム製自動車用ホイールの製造方法 |
-
1998
- 1998-10-05 EP EP98810995A patent/EP0992601A1/fr not_active Withdrawn
-
1999
- 1999-04-15 DK DK99810313T patent/DK0997550T3/da active
- 1999-04-15 SI SI9930168T patent/SI0997550T1/xx unknown
- 1999-04-15 PT PT99810313T patent/PT997550E/pt unknown
- 1999-04-15 EP EP99810313A patent/EP0997550B1/fr not_active Expired - Lifetime
- 1999-04-15 ES ES99810313T patent/ES2181382T3/es not_active Expired - Lifetime
- 1999-04-15 AT AT99810313T patent/ATE225868T1/de active
- 1999-04-15 DE DE59903009T patent/DE59903009D1/de not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938388A (ja) * | 1982-08-26 | 1984-03-02 | Okuno Seiyaku Kogyo Kk | アルミニウム合金鋳物又はアルミニウム合金ダイカストの表面処理方法 |
| JPH0791624B2 (ja) * | 1988-05-11 | 1995-10-04 | 本田技研工業株式会社 | アルミニウム合金鋳物品の製造方法 |
| EP0630982A1 (fr) * | 1993-06-22 | 1994-12-28 | M J Grootes Investments Cc | Volant |
| EP0687742A1 (fr) * | 1994-06-16 | 1995-12-20 | ALUMINIUM RHEINFELDEN GmbH | Alliage pour coulée sous pression |
| JPH09272957A (ja) * | 1996-04-08 | 1997-10-21 | Nippon Light Metal Co Ltd | 光沢性に優れたダイカスト鋳造アルミニウム製自動車用ホイールの製造方法 |
Non-Patent Citations (8)
| Title |
|---|
| CHEMICAL ABSTRACTS, vol. 98, no. 20, 16 May 1983, Columbus, Ohio, US; abstract no. 165221, SEMENOVA, O. N. ET AL: "Effect of chemical composition and conditions for production of the AL4SK alloy on its properties" XP002087899 * |
| DATABASE WPI Section Ch Week 9544, Derwent World Patents Index; Class A32, AN 89-375716, XP002087900 * |
| LITEINOE PROIZVOD. (1982), (12), 19-20 CODEN: LIPRAX;ISSN: 0024-449X, 1982 * |
| PATENT ABSTRACTS OF JAPAN vol. 008, no. 126 (C - 228) 13 June 1984 (1984-06-13) * |
| PATENT ABSTRACTS OF JAPAN vol. 098, no. 002 30 January 1998 (1998-01-30) * |
| SCHNEIDER W ET AL: "WAERMEBEHANDLUNG VON ALUMINIUM-GUSSLEGIERUNGEN FUR DAS VAKUUM- DRUCKGIESSEN TEIL 3: VERSUCHSERGEBNISSE NACH LOSUNGSGLUHEN UND ABSCHRECKEN", GIESSEREI, vol. 83, no. 15, 29 July 1996 (1996-07-29), pages 17 - 22, XP002087898 * |
| SCHNEIDER W ET AL: "WAERMEBEHANDLUNG VON ALUMINIUM-GUSSLEGIERUNGEN FUR DAS VAKUUM- DRUCKGIESSEN TEIL 4: ERGEBNISSE VON AUSLAGERUNGSVERSUCHEN", GIESSEREI, vol. 83, no. 19, 30 September 1996 (1996-09-30), pages 23 - 27, XP000627093 * |
| SCHNEIDER W ET AL: "WAERMEBEHANDLUNG VON ALUMINIUM-GUSSLEGIERUNGEN FUR DAS VAKUUM-DRUCKGIESSEN", GIESSEREI, vol. 84, no. 8, 21 April 1997 (1997-04-21), pages 30, 33 - 42, XP000698127 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2522716A (en) * | 2014-02-04 | 2015-08-05 | Jbm Internat Ltd | Method of manufacture |
| GB2522716B (en) * | 2014-02-04 | 2016-09-14 | Jbm Int Ltd | Method of manufacture |
| CN104962790A (zh) * | 2015-08-01 | 2015-10-07 | 李白 | 一种物联网用信息采集装置 |
| WO2017135463A1 (fr) * | 2016-02-05 | 2017-08-10 | 学校法人芝浦工業大学 | Alliage d'aluminium pour coulée, composant d'alliage d'aluminium et procédé de fabrication d'un composant d'alliage d'aluminium |
| CN112662920A (zh) * | 2020-12-02 | 2021-04-16 | 成都慧腾创智信息科技有限公司 | 一种高导热高韧性压铸铝硅合金及其制备方法 |
| CN116555637A (zh) * | 2022-01-28 | 2023-08-08 | 通用汽车环球科技运作有限责任公司 | 具有定制的机械和腐蚀性质的部件 |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE225868T1 (de) | 2002-10-15 |
| PT997550E (pt) | 2003-02-28 |
| EP0997550B1 (fr) | 2002-10-09 |
| DK0997550T3 (da) | 2003-02-10 |
| EP0997550A1 (fr) | 2000-05-03 |
| ES2181382T3 (es) | 2003-02-16 |
| SI0997550T1 (en) | 2003-04-30 |
| DE59903009D1 (de) | 2002-11-14 |
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