公开(公告)号：US20180010214A1

公开(公告)日：2018-01-11

申请号：US15202136

申请日：2016-07-05

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Qigui Wang ,  Melani R. Wright ,  William L. Miller ,  Jianghuai Yang

IPC: C22C21/02 ,  F02F7/00

CPC classification number: C22C21/02 ,  F02F7/0085 ,  F02F2007/009 ,  F02F2200/06

Abstract: Aluminum alloys having improved properties are provided. The alloy includes about 8 to about 12 weight percent silicon, about 0.5 to about 1.5 weight percent copper, about 0.2 to about 0.4 weight percent magnesium, 0 to about 0.5 weight percent iron, about 0.3 to about 0.6 weight percent manganese, 0 to about 1.5 weight percent nickel, and 0 to about 0.5 weight percent zinc. Aluminum may be present in an amount between about 80 and 91 weight percent. The alloy may include about 0.1 to about 0.5 weight percent each of trace elements such as titanium, vanadium, and/or zirconium, and up to about 0.25 weight percent of all other trace elements. In addition, the alloy may contain about 0.03 to about 0.1 weight percent of strontium, sodium, and/or antimony, and up to 5 ppm phosphorus. Also disclosed is a high pressure die cast article, such as an engine block.

公开(公告)号：US20190323448A1

公开(公告)日：2019-10-24

申请号：US15956805

申请日：2018-04-19

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Jianghuai Yang ,  Qigui Wang ,  Benjamin E. Slattery ,  Melani R. Wright ,  Huaxin Li ,  Dale A. Gerard ,  Daniel J. Wilson

IPC: F02F1/00 ,  B22D19/08 ,  B22D19/00 ,  B22D13/10

Abstract: A method of manufacturing a cylinder liner for an engine block for a vehicle propulsion system and the cylinder liner made from the method. The method includes providing a cylinder liner mold having a cylindrical inner surface, masking a first portion of the cylindrical inner surface, applying a coating to a second portion of the cylindrical inner surface, and forming a cylinder liner by solidifying molten metal in the cylinder liner mold.