IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0392229
(1995-02-22)
|
우선권정보 |
FR-0002612 (1994-03-02) |
발명자
/ 주소 |
- Sainfort Pierre (Grenoble FRX) Gomiero Philippe (Grenoble FRX)
|
출원인 / 주소 |
- Pechiney Recherche (Paris FRX 03)
|
인용정보 |
피인용 횟수 :
21 인용 특허 :
0 |
초록
▼
AA 7000 series alloys having high mechanical strength and a process for obtaining them. The alloys contain, by weight, 7 to 13.5% Zn, 1 to 3.8% Mg, 0.6 to 2.7% Cu, 0 to 0.5% Mn, 0 to 0.4% Cr, 0 to 0.2% Zr, others up to 0.05% each and 0.15% total, and remainder Al. Either wrought or cast alloys can b
AA 7000 series alloys having high mechanical strength and a process for obtaining them. The alloys contain, by weight, 7 to 13.5% Zn, 1 to 3.8% Mg, 0.6 to 2.7% Cu, 0 to 0.5% Mn, 0 to 0.4% Cr, 0 to 0.2% Zr, others up to 0.05% each and 0.15% total, and remainder Al. Either wrought or cast alloys can be obtained, and the specific energy associated with the DEA melting signal of the product is lower than 3 J/g.
대표청구항
▼
A process for obtaining a high mechanical strength wrought alloy product, comprising the steps of casting a blank of an AA series 7000 aluminum alloy consisting essentially of, by weight, 9 to 13.5% Zn, 2 to 3.8% Mg, 0.6 to 2.7% Cu, 0 to 0.5% Mn, 0 to 0.4% Cr, 0 to 0.2% Zr, other elements up to 0.05
A process for obtaining a high mechanical strength wrought alloy product, comprising the steps of casting a blank of an AA series 7000 aluminum alloy consisting essentially of, by weight, 9 to 13.5% Zn, 2 to 3.8% Mg, 0.6 to 2.7% Cu, 0 to 0.5% Mn, 0 to 0.4% Cr, 0 to 0.2% Zr, other elements up to 0.05% each and 0.15% total, and remainder Al, homogenizing the blank, hot transforming the homogenized blank, optionally cold transforming the homogenized blank, solution heat treating the transformed blank, and quenching and artificially aging the solution heat treated blank, said homogenizing and/or said solution heat treating being carried out at a temperature less than 10°C. below an incipient melting temperature for the alloy, whereby said wrought alloy product has a specific energy associated with a DEA signal less than 3 J/g in absolute value.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.