Die-casting capabilities of heat resistant Mg-Al-Ca alloys

被引：3
|
作者：
Kim, JM [1 ]
Park, BK [1 ]
Jun, JH [1 ]
Kim, KT [1 ]
Jung, WJ [1 ]
机构：
[1] Korea Inst Ind Technol, Adv Mat Dev Ctr, Inchon, South Korea
来源：
ECO-MATERIALS PROCESSING & DESIGN VI | 2005年 / 486-487卷
关键词：
Mg; Al; Ca; die-casting; heat resistance;
D O I：
10.4028/www.scientific.net/MSF.486-487.424
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Various amounts of Ca were added to AZ91D magnesium alloy, and their effects on the die-casting abilities were investigated. It was observed that fluidity as die filling ability tends to decrease by Ca additions except for about 2%Ca. This reduction of fluidity by Ca was more significant at high superheats probably due to the high affinity between Ca and oxygen. Contrary to expectation, hot cracking resistance was found to increase by Ca additions. High Ca alloys showed some die-sticking tendency. However, the tendency was not observed below 2%Ca.
引用
收藏
页码：424 / 427
页数：4
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