孙伟,蔡启舟,罗强,何剑,顾佳婧

• 1:华中科技大学材料成型及模具技术国家重点实验室

摘要(Abstract)：

借助X射线衍射仪(XRD)和环境扫描电镜(SEM/EDAX)对45钢热浸镀铝镀层及其扩散退火处理后的微观组织进行了研究。结果表明,热浸镀铝镀层由铝层和扩散层组成,外层铝层中主要成分为Al和FeAl3,内层扩散层中则主要为Fe2Al5和FeAl3等。扩散退火处理后镀层亦由内外两层组成,外层成分主要为Fe2 Al5,内层则主要为FeAl。通过静态氧化增重法研究了45钢热浸镀铝扩散退火后的抗高温氧化性能,结果表明其抗高温氧化性好于未经扩散处理试样,显著优于45钢基体。

关键词(KeyWords)： 热浸镀铝;扩散退火;微观组织;抗高温氧化

Abstract:

Keywords:

基金项目(Foundation): 国际热核聚变实验堆(ITER)计划专项(2010GB109000)

作者(Author): 孙伟,蔡启舟,罗强,何剑,顾佳婧

DOI: 10.13289/j.issn.1009-6264.2011.01.022

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