Title:
過共晶Ａｌ−Ｓｉ系アルミニウム合金、及びそれからなる鋳造部材、並びに前記アルミニウム合金の製造方法
Document Type and Number:
Japanese Patent JP6741208
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a hypereutectic Al-Si aluminum alloy that has a fine proeutectic Si particle and has high strength and ductility, and a cast member comprising the same, and a production method suitable for producing the aluminum alloy.SOLUTION: A hypereutectic Al-Si aluminum alloy comprises, in terms of mass, 0.1-0.6% Mg, 0.0001-0.0200% P, and 0.0100-0.0400% Na, with the balance being Al, Si and inevitable impurities. A hydrogen content per the alloy 100 g is 0.05-1.0 cmin terms of hydrogen gas.SELECTED DRAWING: Figure 1
Inventors:
Yoshiyuki Okubo
Nobuhiro Arai
Nobuhiro Arai
Application Number:
JP2015255992A
Publication Date:
August 19, 2020
Filing Date:
December 28, 2015
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
C22C21/02; B22D1/00; B22D21/04; B22D27/04; C22F1/043
Domestic Patent References:
| JP51074919A | ||||
| JP7048643A | ||||
| JP2002206131A |