王顺成,戚文军,郑开宏,李景谭,李伟东

• 1:广东省工业技术研究院(广州有色金属研究院)金属加工与成型技术研究所
• 2:中南大学材料科学与工程学院

摘要(Abstract)：

采用低过热度浇注法制备半固态ZL101铝合金圆棒坯料,在200 T立式油压机上模锻成形铝合金车轮,研究了铝合金车轮的组织与力学性能。结果表明:低过热度浇注法制备ZL101铝合金圆棒坯的合理浇注温度为635～655℃,棒坯组织为细小均匀的等轴和球形α-Al晶粒,棒坯合适的二次加热工艺为600℃等温加热60～80 min。半固态模锻ZL101铝合金车轮组织由球形α-Al晶粒和α+Si共晶组织组成,经T6热处理后,其屈服强度、抗拉强度和伸长率分别为211.9 MPa、318.1 MPa和5.9%,表明半固态模锻铝合金车轮具有较高的综合力学性能。

关键词(KeyWords)： 铝合金车轮;半固态金属;模锻;低过热度浇注

Abstract:

Keywords:

基金项目(Foundation): 广东省省部产学研结合项目资助(2010A090200078)

作者(Author): 王顺成,戚文军,郑开宏,李景谭,李伟东

DOI: 10.13289/j.issn.1009-6264.2013.05.023

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