JP2007534840A - 航空宇宙及び自動車の鋳物品用の熱処理可能なAl−Zn−Mg−Cu合金 - Google Patents
航空宇宙及び自動車の鋳物品用の熱処理可能なAl−Zn−Mg−Cu合金 Download PDFInfo
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- 229910045601 alloy Inorganic materials 0.000 title claims description 64
- 239000000956 alloy Substances 0.000 title claims description 64
- 238000005266 casting Methods 0.000 title claims description 12
- 229910018569 Al—Zn—Mg—Cu Inorganic materials 0.000 title 1
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims description 20
- 239000011777 magnesium Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 239000011572 manganese Substances 0.000 claims description 4
- 238000001953 recrystallisation Methods 0.000 claims description 4
- 229910052706 scandium Inorganic materials 0.000 claims description 4
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 28
- 230000007797 corrosion Effects 0.000 description 23
- 238000005260 corrosion Methods 0.000 description 23
- 239000000203 mixture Substances 0.000 description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- 229910018125 Al-Si Inorganic materials 0.000 description 4
- 229910018520 Al—Si Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 3
- 229910018571 Al—Zn—Mg Inorganic materials 0.000 description 2
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910033181 TiB2 Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910018566 Al—Si—Mg Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910000979 O alloy Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
【選択図】図9
Description
この出願は、2004年4月22日に出願された米国仮出願第60/564,813号の利益を主張し、該出願は参照を以てその全体が本願に組み込まれる。また、この出願は、同時に出願された特許出願"Heat Treatable Al-Zn-Mg Alloy for Aerospace and Automotive Castings"(航空宇宙用及び自動車の鋳物品用の熱処理可能なAl−Zn−Mg合金)とも密接な関連性を有しており、前記特許出願についても参照によってその全体が本願に組み込まれる。
本発明は、航空宇宙用及び自動車用の形状鋳物品(shaped castings)に用いられるアルミニウム合金と、該合金の鋳造部品を製造する方法である。
鋳造されたアルミニウム部品は、重量低減のために自動車サスペンションにおける構造的用途に用いられる。最も一般的に使用されている合金のグループはAl−Si7−Mgであり、強度限界が確証されている。より軽量の部品を得るために、より高強度の材料が要請されており、設計に関する材料特性の確証が必要である。現在、A356.0(最も一般的に使用されているAl−Si7−Mg合金)から作られた鋳造材料は、最大抗張力(ultimate tensile strength)が290MPa(42,060psi)、引張降伏強度(tensile yield strength)が220MPa(31,908psi)。伸びが8%以上保証される。
本発明の合金は、Al−Zn−Mg基合金であって、低圧の永久鋳型又は半永久鋳型スクィーズ(squeeze)、高圧ダイ、圧力又は重力鋳造、消失模型(lost foam)、インベストメント鋳造、V鋳型(V-mold)又は砂型鋳造に用いられ、以下の組成範囲(全て重量パーセント)を有している:
Zn:約3.5〜5.5%、
Mg:約1〜3%、
Cu:約0.05〜0.5%、
Si:約1%未満、
Fe及びその他付随的不純物:約0.30%未満、
Mn:約0.30%未満。
一態様において、本発明は、Zn:約3.5〜5.5%、Mg:約1〜3%及びCu:約0.05〜0.5%を含むアルミニウム合金であり、該アルミニウム合金は、Si:約1%未満を含有している。
この明細書に記載する値のあらゆる数値範囲については、規定した最小値と最大値との間における各々の数字及び/又は分数並びにあらゆる数字及び/又は分数(fraction)を含むものと理解される。例えば、Zn:約3.5〜5.5重量%について説明すると、この範囲は、約3.6、3.7、3.8及び3.9%から、5.3、5.35、5.4、5.475及び5.499%までのあらゆる中間値を明示的に含むものである。これは、この明細書に記載した各々の他の各数値的特性及び/又は元素範囲に対して当てはまる。
Claims (27)
- 形状鋳物品用の熱処理可能なアルミニウム合金であって、重量パーセントにて、
Zn:約3.5〜5.5%、
Mg:約1〜3%、
Cu:約0.05〜0.5%、
Si:約1%未満、
を含んでいるアルミニウム合金。 - ボロン、炭素及びその両方から成る群から選択される少なくとも1種の結晶微細化剤をさらに含んでいる請求項1に記載のアルミニウム合金。
- 少なくとも1種の結晶微細化剤は、ボロンを、約0.0025〜約0.05%の範囲で含んでいる請求項2に記載のアルミニウム合金。
- 少なくとも1種の結晶微細化剤は、炭素を、約0.0025〜約0.05%の範囲で含んでいる請求項2に記載のアルミニウム合金。
- ジルコニウム、スカンジウム及びその両方から成る群から選択される少なくとも1種の再結晶防止剤をさらに含んでいる請求項1に記載のアルミニウム合金。
- 少なくとも1種の再結晶防止剤は、ジルコニウムを0.2%以下の範囲で含んでいる請求項5に記載のアルミニウム合金。
- 少なくとも1種の再結晶防止剤は、スカンジウムを0.3%以下の範囲で含んでいる請求項5に記載のアルミニウム合金。
- 亜鉛の濃度は約4.2〜4.8%である請求項1に記載のアルミニウム合金。
- マグネシウムの濃度は約1.7〜2.3%である請求項1に記載のアルミニウム合金。
- 銅の濃度は約0.25〜0.3%である請求項8に記載のアルミニウム合金。
- 銅の濃度は約0.27〜0.28%である請求項10に記載のアルミニウム合金。
- 合金中の鉄の濃度は約0.3%未満である請求項1に記載のアルミニウム合金。
- 合金中のマンガンの濃度は約0.3%未満である請求項1に記載のアルミニウム合金。
- アルミニウム合金から成る形状鋳物品であって、前記アルミニウム合金は、
Zn:約3.5〜5.5%、
Mg:約1〜3%、
Cu:約0.05〜0.5%、
Si:約1%未満、
の合金成分を含んでいる、形状鋳物品。 - T5熱処理が施されている請求項14に記載の形状鋳物品。
- T6熱処理が施されている請求項14に記載の形状鋳物品。
- 亜鉛の濃度は約4.2〜4.8%である請求項14に記載の形状鋳物品。
- マグネシウムの濃度は約1.8〜2.2%である請求項14に記載の形状鋳物品。
- 銅の濃度は約0.25〜0.3%である請求項14に記載の形状鋳物品。
- 銅の濃度は約0.27〜0.28%である請求項14に記載の形状鋳物品。
- アルミニウム合金の形状鋳物品を製造する方法であって、
Zn:約3.5〜5.5%、Mg:約1〜3%、Cu:約0.05〜0.5%、Si:約1%未満を含むアルミニウム合金の溶融物を調製し、
前記形状鋳物品を製造する形状に作られた鋳型の中で、溶融物の少なくとも一部分を鋳造し、
鋳型の中で溶融物を凝固させ、
得られた形状鋳物品を鋳型から取り除く、
ことを含んでいる方法。 - 形状鋳物品にT5熱処理を施すことをさらに含んでいる請求項21に記載の方法。
- 形状鋳物品にT6熱処理を施すことをさらに含んでいる請求項21に記載の方法。
- 亜鉛の濃度は約4.2〜4.8%である請求項21に記載の方法。
- マグネシウムの濃度は約1.8〜2.2%である請求項21に記載の方法。
- 銅の濃度は約0.25〜0.3%である請求項21に記載の方法。
- 銅の濃度は約0.27〜0.28%である請求項26に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56481304P | 2004-04-22 | 2004-04-22 | |
| US11/111,212 US20050238528A1 (en) | 2004-04-22 | 2005-04-21 | Heat treatable Al-Zn-Mg-Cu alloy for aerospace and automotive castings |
| PCT/US2005/013769 WO2005106058A2 (en) | 2004-04-22 | 2005-04-22 | Heat treatable al-zn-mg-cu alloy for aerospace and automotive castings |
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| Publication Number | Publication Date |
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| JP2007534840A true JP2007534840A (ja) | 2007-11-29 |
| JP2007534840A5 JP2007534840A5 (ja) | 2008-06-19 |
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| JP2007509667A Pending JP2007534840A (ja) | 2004-04-22 | 2005-04-22 | 航空宇宙及び自動車の鋳物品用の熱処理可能なAl−Zn−Mg−Cu合金 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20050238528A1 (ja) |
| EP (1) | EP1759027A4 (ja) |
| JP (1) | JP2007534840A (ja) |
| KR (1) | KR20070004987A (ja) |
| AU (1) | AU2005238479A1 (ja) |
| CA (1) | CA2564080A1 (ja) |
| MX (1) | MXPA06012243A (ja) |
| NO (1) | NO20065387L (ja) |
| WO (1) | WO2005106058A2 (ja) |
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| DE900499C (de) * | 1941-01-12 | 1953-12-28 | Ver Deutsche Metallwerke Ag | Verguetbare korrosionsbestaendige Aluminium-Zink-Magnesium-Knetlegierungen |
| FR1343246A (fr) * | 1962-12-26 | 1963-11-15 | Ver Leichtmetallwerke Gmbh | Emploi d'un alliage malléable d'aluminium, à teneur en cuivre faible ou nulle |
| GB1186161A (en) * | 1966-04-07 | 1970-04-02 | High Duty Alloys Ltd | Improvements in or relating to the Heat Treatment of Aluminium Alloys |
| GB1218516A (en) * | 1968-12-27 | 1971-01-06 | Aluminum Co Of America | Clad aluminum base alloy |
| US3694272A (en) * | 1970-12-24 | 1972-09-26 | Kaiser Aluminium Chem Corp | Method for forming aluminum sheet |
| US3945861A (en) * | 1975-04-21 | 1976-03-23 | Aluminum Company Of America | High strength automobile bumper alloy |
| JPS62250149A (ja) * | 1986-04-24 | 1987-10-31 | Kobe Steel Ltd | 自転車用アルミニウム合金 |
| US4873054A (en) * | 1986-09-08 | 1989-10-10 | Kb Alloys, Inc. | Third element additions to aluminum-titanium master alloys |
| CA2091355A1 (en) * | 1990-08-22 | 1992-02-23 | James Christopher Mohr | Aluminium alloy suitable for can making |
| US20010028861A1 (en) * | 1997-12-17 | 2001-10-11 | Que-Tsang Fang | High strength Al-Zn-Mg alloy for making shaped castings including vehicle wheels and structural components |
| US7045094B2 (en) * | 2000-12-12 | 2006-05-16 | Andrei Anatolyevich Axenov | Aluminum-based material and a method for manufacturing products from aluminum-based material |
| EP1229141A1 (de) * | 2001-02-05 | 2002-08-07 | ALUMINIUM RHEINFELDEN GmbH | Aluminiumgusslegierung |
| FR2846669B1 (fr) * | 2002-11-06 | 2005-07-22 | Pechiney Rhenalu | PROCEDE DE FABRICATION SIMPLIFIE DE PRODUITS LAMINES EN ALLIAGES A1-Zn-Mg, ET PRODUITS OBTENUS PAR CE PROCEDE |
-
2005
- 2005-04-21 US US11/111,212 patent/US20050238528A1/en not_active Abandoned
- 2005-04-22 WO PCT/US2005/013769 patent/WO2005106058A2/en not_active Ceased
- 2005-04-22 MX MXPA06012243A patent/MXPA06012243A/es unknown
- 2005-04-22 AU AU2005238479A patent/AU2005238479A1/en not_active Abandoned
- 2005-04-22 KR KR1020067024490A patent/KR20070004987A/ko not_active Withdrawn
- 2005-04-22 JP JP2007509667A patent/JP2007534840A/ja active Pending
- 2005-04-22 CA CA002564080A patent/CA2564080A1/en not_active Abandoned
- 2005-04-22 EP EP05738780A patent/EP1759027A4/en not_active Withdrawn
-
2006
- 2006-11-22 NO NO20065387A patent/NO20065387L/no not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5383913A (en) * | 1976-12-29 | 1978-07-24 | Kobe Steel Ltd | Al-zn-mg cast alloy for welded structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013105831A1 (ko) * | 2012-01-12 | 2013-07-18 | 한국생산기술연구원 | 다이캐스팅용 고열전도도 Al-Zn 합금 |
| JP2019512607A (ja) * | 2016-07-13 | 2019-05-16 | アップル インコーポレイテッドApple Inc. | 高い強度及び美的訴求力を有するアルミニウム合金 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005106058A3 (en) | 2006-09-14 |
| NO20065387L (no) | 2007-01-17 |
| KR20070004987A (ko) | 2007-01-09 |
| US20050238528A1 (en) | 2005-10-27 |
| WO2005106058A2 (en) | 2005-11-10 |
| EP1759027A4 (en) | 2007-10-03 |
| MXPA06012243A (es) | 2007-01-31 |
| AU2005238479A1 (en) | 2005-11-10 |
| EP1759027A2 (en) | 2007-03-07 |
| CA2564080A1 (en) | 2005-11-10 |
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