阻尼冷却管法制备A356铝合金半固态浆料的研究

稀有金属材料与工程, 2007, 36(5): 915-919.

阻尼冷却管法制备A356铝合金半固态浆料的研究

张小立 ^1, , 谢水生 ^2, , 李廷举 ^3, , 杨浩强 ^4, , 金俊泽 ^5,

1.大连理工大学,三束材料改性国家重点实验室,辽宁,大连,116024

2.北京有色金属研究总院,北京,100088

3.大连理工大学,三束材料改性国家重点实验室,辽宁,大连,116024

4.北京有色金属研究总院,北京,100088

5.大连理工大学,三束材料改性国家重点实验室,辽宁,大连,116024

基金项目: 国家自然科学基金(50374014)

关键词：阻尼冷却管法 , 半固态浆料 , 浇注温度 , 晶粒尺寸 , 形状因子

A356 Aluminum Alloy Semisolid Slurry Prepared by Damper Cooling Tube Process

介绍了阻尼冷却管法制备半固态浆料工艺的实验装置及其原理,采用A356铝合金进行了不同浇注温度的系列实验.铸件微观结构中晶粒尺寸和形状因子测算分析结果表明:由于阻尼冷凝管的冷却和搅拌作用,熔体浇注温度越低,在两相温度区间内生成的游离晶核就越多,浇铸的铸件晶粒尺寸和形状因子数值就越小,晶粒球化程度越高.阻尼冷凝管法制备的合金浆料或铸坯能够应用于下一步半固态成形加工.

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材料期刊网

阻尼冷却管法制备A356铝合金半固态浆料的研究

A356 Aluminum Alloy Semisolid Slurry Prepared by Damper Cooling Tube Process

参考文献