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A study on the phase transformation of BCuAl9Fe4 alloy
International Journal of Modern Physics B ( IF 2.6 ) Pub Date : 2020-08-25 , DOI: 10.1142/s0217979220401402
Anh Tuan Vu 1 , Duong Nam Nguyen 2 , Ba Linh Mai 3 , Khanh Pham Mai 4
Affiliation  

This paper’s aim is to describe the results of the phase transformation of BCuAl9Fe4 alloy after casting, quenching and aging. After casting, the microstructure of this alloy consists of [Formula: see text] phase with grain size about 100 [Formula: see text]m, mixture [Formula: see text] and the inter-metallic phase Fe3Al. However, the proportion of the [Formula: see text] phase in the casting alloy is coarse. The alloy was heated at [Formula: see text]C for 2 h then quickly cooling in water. After quenching, the microstructure of alloy shows that the grain size reduced to about 40 [Formula: see text]m. After quenching, the alloy was aged at [Formula: see text]C for 2 h, the martensite phase of this alloy decomposed into order phase ([Formula: see text] with fine grain size, dispersed in the matrix. The intermetallic phase was fine and evenly dispersed in the matrix. By TEM analysis, after heat treatment, the structure of martensite and the inter-metallic phase in this alloy which had small grain size were formed.

中文翻译:

BCuAl9Fe4合金的相变研究

本文的目的是描述 BCuAl 相变的结果94合金经过铸造、淬火和时效处理。铸造后,该合金的显微组织由晶粒尺寸约为100[公式:见文本]m的[化学式:见文本]相、混合物[化学式:见文本]和金属间相Fe组成。3铝。但是,铸造合金中[分子式:见正文]相的比例较粗。合金在[公式:见正文]C下加热2小时,然后在水中快速冷却。淬火后合金的显微组织显示晶粒尺寸减小到约40[公式:见正文]m。淬火后,合金在[式:见正文]C下时效2 h,该合金的马氏体相分解成有序相([式:见正文],晶粒细小,分散在基体中。金属间相为细而均匀地分散在基体中,通过TEM分析,经过热处理后,该合金中形成了马氏体组织和晶粒尺寸小的金属间相。
更新日期:2020-08-25
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