叶翔,赵春芳,余果,刘桐,王飞,胡茂良,吉泽升

• 1:丽水职业技术学院
• 2:哈尔滨理工大学材料科学与化学工程学院

摘要(Abstract)：

利用机械加工产生的铝屑和TC4(Ti6Al4V)屑为主要原料,采用熔体反应法制备了Al-5Ti-1B-1Ce铝合金用晶粒细化剂,研究熔炼的反应温度和反应时间对Al-Ti-B-Ce微观组织和细化效果的影响。结果表明:制备的Al-5Ti-1B-1Ce晶粒细化剂主要由α-Al、Ti Al_3、Ti_2Al_(20)Ce和Ti B_2构成;随着反应温度的升高,Ti Al_3和Ti_2Al_(20)Ce由块状逐渐向针状转变,直至1000℃几乎全部转变为针状相;Al-5Ti-1B-1Ce的最优制备工艺为在950℃条件下反应60min,添加0.3mass%的Al-5Ti-1B-1Ce可将纯铝平均晶粒尺寸由3000μm细化至185.2μm。

关键词(KeyWords)： 铝合金;屑料;晶粒细化;稀土;Al-Ti-B

Abstract:

Keywords:

基金项目(Foundation): 丽水职业技术学院2023年度科研之星人才专项基金(LZRC202406)

作者(Author): 叶翔,赵春芳,余果,刘桐,王飞,胡茂良,吉泽升

DOI: 10.13289/j.issn.1009-6264.2024-0459

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