公开(公告)号：US20170121795A1

公开(公告)日：2017-05-04

申请号：US15336443

申请日：2016-10-27

Applicant: ALCOA INC.

Inventor： Xinyan Yan ,  James Daniel Bryant ,  Jen C. Lin ,  Wenping Zhang ,  Eider Simielli

IPC: C22C21/10

CPC classification number: C22C21/10 ,  C22F1/053

Abstract: New wrought 7xxx aluminum alloys are disclosed. The new wrought 7xxx aluminum alloys generally include from 3.75 to 8.0 wt. % Zn, from 1.25 to 3.0 wt. % Mg, where the wt. % Zn exceeds the wt. % Mg, from 0.35 to 1.35 wt. % Cu, from 0.04 to 0.20 wt. % V, from 0.06 to 0.20 wt. % Zr, where V+Zr≦0.23 wt. %, from 0.01 to 0.25 wt. % Ti, up to 0.50 wt. % Mn, up to 0.40 wt. % Cr, up to 0.35 wt. % Fe, and up to 0.25 wt. % Si, the balance being aluminum and impurities, wherein the wrought 7xxx aluminum alloy include not greater than 0.10 wt. % each of any one impurity, and wherein the wrought 7xxx aluminum alloy includes not greater than 0.35 wt. % in total of the impurities.

公开(公告)号：US20150315680A1

公开(公告)日：2015-11-05

申请号：US14694109

申请日：2015-04-23

Applicant: ALCOA INC.

Inventor： Xinyan Yan ,  Eider Simielli ,  Jen C. Lin ,  Wenping Zhang ,  James Daniel Bryant

IPC: C22C21/10 ,  B22D21/04

CPC classification number: B22D21/04 ,  C22C21/10 ,  C22F1/053

Abstract: New 7xx aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 3.0 to 8.0 wt. % Zn, from 1.0 to 3.0 wt. % Mg, where the wt. % Zn exceeds the wt. % Mg, from 0.35 to 1.0 wt. % Cu, where the wt. % Mg exceeds the wt. % Cu, from 0.05 to 0.30 wt. % V, from 0.01 to 1.0 wt. % of at least one secondary element (Mn, Cr, Zr, Ti, B, and combinations thereof), up to 0.50 wt. % Fe, and up to 0.25 wt. % Si, the balance being aluminum and other elements, wherein the aluminum casting alloy include not greater than 0.05 wt. % each of the other elements, and wherein the aluminum casting alloy includes not greater than 0.15 wt. % in total of the other elements.

Abstract translation: 公开了新的7xx铝铸造合金。 铝铸造合金通常包括3.0至8.0重量％ ％Zn，1.0〜3.0wt。 ％Mg，其中wt。 ％Zn超过wt。 ％Mg，0.35〜1.0wt。 ％Cu，其中wt。 ％Mg超过wt。 ％Cu，0.05-0.30重量％ ％V，0.01〜1.0wt。 至少一种次要元素（Mn，Cr，Zr，Ti，B及其组合）的％，至多0.50重量％ ％Fe，至多0.25wt。 ％Si，余量为铝和其他元素，其中铝铸造合金包括不大于0.05重量％ ％的其他元素，其中铝铸造合金包括不大于0.15wt。 其他元素总数的百分比。