公开(公告)号：US20190185967A1

公开(公告)日：2019-06-20

申请号：US15844860

申请日：2017-12-18

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Qigui Wang ,  Wenying Yang ,  Yanping Zhang ,  Jeffrey J. Mc Farland

IPC: C22C21/02

CPC classification number: C22C21/02 ,  B22D21/007 ,  C22F1/043 ,  F16D13/58

Abstract: An aluminum alloy suitable for casting transmission clutch housings, the aluminum alloy includes about 12 to about 16 weight percent silicon; about 0.0 to about 6.0 weight percent copper; about 0.2 to about 0.5 weight percent magnesium; about 0.1 to about 0.5 weight percent chromium; about 0 to about 1.0 weight percent each of iron, manganese, and zinc; less than 0.1 weight percent each of strontium and phosphorous; and about 0.0 to about 0.25 weight percent other trace elements. Also disclosed is a high pressure die cast article, such as a transmission clutch housing.