热浸镀铝钢扩散层的AlFe3C0.5相

中国有色金属学报, 2007, 17(10): 1632-1636.

热浸镀铝钢扩散层的AlFe3C0.5相

张伟 ^1, , 文九巴 ^2, , 王晓峰 ^3, , 熊飞 ^4, , 催新安 ^5,

1.洛阳理工学院,材料系,洛阳,471023

2.河南科技大学,材料科学与工程学院,洛阳,471023

3.洛阳理工学院,材料系,洛阳,471023

4.洛阳理工学院,材料系,洛阳,471023

5.洛阳石化工程公司,洛阳,471003

基金项目: 河南省科技攻关项目(0423023500) 洛阳市科技计划(040221) 河南省自然科学基金(0511021600)

关键词：热浸镀铝钢 , 扩散层 , Fe3AlC0.5相 , 晶体学

AlFe3C0.5 phase in diffusion layers of hot dip aluminized steel

采用740℃热浸镀铝方法,在20碳钢表面制备热浸镀铝层.镀铝层经850℃扩散处理4 h后,采用SEM和XRD确定扩散层的相组成,采用TEM研究组成相的晶体学取向关系.分析AlFe3C0.5相的形成原因.结果表明:扩散层与基体之间存在Fe3Al、FeAl和点阵常数为0.377 nm的针叶状AlFe3C0.5相;针状AlFe3C0.5与Fe3Al相之间存在的晶体学取向关系是(220)Fe3Al//(-111)AlFe3C0.5、[1-10]Fe3Al//[-12-3]AlFe3C0.5.

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热浸镀铝钢扩散层的AlFe3C0.5相

AlFe3C0.5 phase in diffusion layers of hot dip aluminized steel

参考文献