JP7321195B2 - アルミニウム合金およびこのような合金から製造された過時効アルミニウム合金製品 - Google Patents
アルミニウム合金およびこのような合金から製造された過時効アルミニウム合金製品 Download PDFInfo
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- JP7321195B2 JP7321195B2 JP2020573338A JP2020573338A JP7321195B2 JP 7321195 B2 JP7321195 B2 JP 7321195B2 JP 2020573338 A JP2020573338 A JP 2020573338A JP 2020573338 A JP2020573338 A JP 2020573338A JP 7321195 B2 JP7321195 B2 JP 7321195B2
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- 229910045601 alloy Inorganic materials 0.000 title claims description 79
- 239000000956 alloy Substances 0.000 title claims description 79
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 30
- 238000012360 testing method Methods 0.000 claims description 40
- 230000035882 stress Effects 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 19
- 239000011701 zinc Substances 0.000 description 13
- 239000010949 copper Substances 0.000 description 11
- 239000011777 magnesium Substances 0.000 description 9
- 238000005336 cracking Methods 0.000 description 8
- 239000011265 semifinished product Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000002970 Calcium lactobionate Substances 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003856 thermoforming Methods 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
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- C22F1/053—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 zinc as the next major constituent
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials For Medical Uses (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Heat Treatment Of Steel (AREA)
- Powder Metallurgy (AREA)
Description
0.04~0.1重量%のSi、
0.8~1.8重量%のCu、
1.5~2.3重量%のMg、
0.15~0.6重量%のAg、
7.05~9.2重量%のZn、
0.08~0.14重量%のZr、
0.02~0.08重量%のTi、
最大0.35重量%のMn、
最大0.1重量%のFe、
最大0.06重量%のCr、
任意選択で、0.0015~0.008重量%のBeを有し、
残りが、アルミニウムと避けられない不純物である、
アルミニウム合金によって、達成される。
- 合金から製造した棒材の鋳造;
- 鋳造構造中の合金元素の最も均一で最も微細な、可能な分布を達成するのに十分な加熱時間および滞留時間の間、合金の融解温度に可能な限り近いがこれを下回る温度における、好ましくは460~490℃における、鋳造棒材の均質化;
- 350~440℃の温度範囲において、鍛造、押出成形、および/または圧延することによる、均質化棒材の熱形成;
- 構造中の硬化に必要な合金元素を均一に溶体化するのに十分に高い温度における、例えば465~500℃における、熱形成半完成製品の溶体化焼鈍;
- 室温から100℃の温度の水中、および100℃から170℃の温度の水-グリコール混合物中または塩混合物中、溶体化焼鈍半完成製品の急冷;
- 任意選択で、好ましくは1~5%の範囲内の圧造度/延伸度を有する製品の、冷間圧造(すなわち、最終状態T7x52もしくはT7x54)または延伸(すなわち、最終状態T7x51);ならびに
- 半完成製品を状態T74またはT7452/T7454/T7451に過時効するための、急冷半完成製品の多段熱貯蔵。
Claims (7)
- 0.04~0.1重量%のSi、
0.8~1.8重量%のCu、
1.5~2.3重量%のMg、
7.05~9.2重量%のZn、
3.9~4.3のZn/Mg比を伴う0.15重量%超かつ0.35重量%未満のAg、または3.4超かつ4.95以下であって4.95を含むZn/Mg比を伴う0.35~0.6重量%のAg、
0.08~0.14重量%のZr、
0.02~0.08重量%のTi、
最大0.35重量%のMn、
最大0.1重量%のFe、
最大0.06重量%のCr、
アルミニウムと避けられない不純物である残り、
を有し、
避けられない不純物が、1種の元素当たり最大0.05重量%、かつ合計で0.15重量%を超えずに存在し、
アルミニウム合金が、T74xxに基づいて過時効されている、
アルミニウム合金。 - 0.9~1.2重量%のCu、7.1~8.9重量%のZnを含有し、3.9~4.3の範囲内のZn/Mg比を有することを特徴とする、請求項1に記載のアルミニウム合金。
- 3.4超かつ4.95以下であって4.95を含むZn/Mg比で、0.35~0.6重量%のAgを含有することを特徴とする、請求項1に記載のアルミニウム合金。
- 0.8~1.35重量%のCu、0.18~0.3重量%のMn、および7.1~8.9重量%のZnを含むことを特徴とする、請求項3に記載のアルミニウム合金。
- 1.35重量%超~最大1.8重量%のCu、および0.1重量%未満のMnを含むことを特徴とする、請求項3に記載のアルミニウム合金。
- 溶体化焼鈍の後、かつ時効の前に塑性的に変形され、したがって、T7451、またはT7452、またはT7454に基づいて過時効されていることを特徴とする、請求項1から5のいずれか1項に記載のアルミニウム合金製のアルミニウム合金製品。
- 請求項6に記載のアルミニウム合金製品であって、降伏点Rp0.2が少なくとも440MPaであり、破壊靭性(KIC)が少なくとも20MPa√mであり、以下の条件下:
- 50℃の空気中、
- 85%の湿度において、
- 20MPa√m以下の応力によって、
- 30日の試験期間で、
ASTM G168に従ったDCB試料を用いて、ASTM E1681に従い行われるEAC試験の実行後、割れの伝播が起こらないことを特徴とする、アルミニウム合金製品。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2018/067740 WO2020007437A1 (de) | 2018-07-02 | 2018-07-02 | Aluminiumlegierung sowie überaltertes aluminiumlegierungsprodukt aus einer solchen legierung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021534320A JP2021534320A (ja) | 2021-12-09 |
| JP7321195B2 true JP7321195B2 (ja) | 2023-08-04 |
Family
ID=62981171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020573338A Active JP7321195B2 (ja) | 2018-07-02 | 2018-07-02 | アルミニウム合金およびこのような合金から製造された過時効アルミニウム合金製品 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11970756B2 (ja) |
| EP (1) | EP3818187B1 (ja) |
| JP (1) | JP7321195B2 (ja) |
| CN (1) | CN112218963B (ja) |
| ES (1) | ES2902204T3 (ja) |
| RU (1) | RU2765103C1 (ja) |
| WO (1) | WO2020007437A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT3833794T (pt) | 2018-11-12 | 2023-01-24 | Novelis Koblenz Gmbh | Produto em liga de alumínio da série 7xxx |
| WO2020102441A2 (en) | 2018-11-14 | 2020-05-22 | Arconic Inc. | Improved 7xxx aluminum alloys |
| CN117248143A (zh) * | 2023-11-08 | 2023-12-19 | 张家港润盛科技材料有限公司 | 一种高强低淬火敏感性铝合金配方及其制造工艺 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060157172A1 (en) | 2005-01-19 | 2006-07-20 | Otto Fuchs Kg | Aluminum alloy that is not sensitive to quenching, as well as method for the production of a semi-finished product therefrom |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2052000C3 (de) * | 1970-10-23 | 1974-09-12 | Fa. Otto Fuchs, 5882 Meinerzhagen | Verwendung einer hochfesten Aluminiumlegierung |
| JP2915481B2 (ja) * | 1990-04-19 | 1999-07-05 | 古河電気工業株式会社 | 耐応力腐食割れ性に優れた溶接構造材用高力アルミニウム合金 |
| IL156386A0 (en) | 2000-12-21 | 2004-01-04 | Alcoa Inc | Aluminum alloy products and artificial aging method |
| RU2233902C1 (ru) * | 2002-12-25 | 2004-08-10 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" | Высокопрочный сплав на основе алюминия и изделие, выполненное из этого сплава |
| AT502310B1 (de) * | 2003-04-10 | 2010-02-15 | Corus Aluminium Walzprod Gmbh | Eine al-zn-mg-cu-legierung |
| RU2243278C1 (ru) * | 2003-10-21 | 2004-12-27 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" | Сплав на основе алюминия и изделие, выполненное из него |
| US20110111081A1 (en) * | 2008-06-24 | 2011-05-12 | Aleris Aluminum Koblenz Gmbh | Al-zn-mg alloy product with reduced quench sensitivity |
| US20160348224A1 (en) | 2015-06-01 | 2016-12-01 | Kaiser Aluminum Fabricated Products, Llc | High Strength 7xxx Series Aluminum Alloy Products and Methods of Making Such Products |
| EP3294918B8 (en) | 2016-08-04 | 2019-02-27 | Indian Institute of Technology, Bombay | Four-step thermal aging method for improving environmentally assisted cracking resistance of 7xxx series aluminium alloys |
-
2018
- 2018-07-02 RU RU2020134854A patent/RU2765103C1/ru active
- 2018-07-02 ES ES18743409T patent/ES2902204T3/es active Active
- 2018-07-02 JP JP2020573338A patent/JP7321195B2/ja active Active
- 2018-07-02 US US17/052,385 patent/US11970756B2/en active Active
- 2018-07-02 WO PCT/EP2018/067740 patent/WO2020007437A1/de not_active Ceased
- 2018-07-02 CN CN201880094261.0A patent/CN112218963B/zh active Active
- 2018-07-02 EP EP18743409.7A patent/EP3818187B1/de active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060157172A1 (en) | 2005-01-19 | 2006-07-20 | Otto Fuchs Kg | Aluminum alloy that is not sensitive to quenching, as well as method for the production of a semi-finished product therefrom |
Also Published As
| Publication number | Publication date |
|---|---|
| US20210164076A1 (en) | 2021-06-03 |
| EP3818187B1 (de) | 2021-11-17 |
| CN112218963B (zh) | 2022-09-20 |
| RU2765103C1 (ru) | 2022-01-25 |
| ES2902204T3 (es) | 2022-03-25 |
| EP3818187A1 (de) | 2021-05-12 |
| CN112218963A (zh) | 2021-01-12 |
| US11970756B2 (en) | 2024-04-30 |
| JP2021534320A (ja) | 2021-12-09 |
| WO2020007437A1 (de) | 2020-01-09 |
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