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Aluminizing Process Aided by Mechanical Energy and Properties of Aluminized Case
Author(s): 
Pages: 22-25
Year: Issue:  6
Journal: Heat Treatment

Keyword:  机械能助渗铝粉末渗铝组织性能;
Abstract: 研究了机械能助渗铝的温度、时间和活性剂含量对渗铝层形貌、厚度、结构、硬度和耐蚀性等性能的影响,并与传统的粉末渗铝进行了比较.试验结果表明,机械能助渗铝层表面呈颗粒状,渗铝层由Fe2Al5相和少量的Fe3Al相组成,硬度达988 HV.在400~700 ℃、2~4 h的范围内机械能助渗铝,渗层厚度随渗铝温度的升高和渗铝时间的延长而明显增大.渗铝层的耐蚀性随渗铝温度的升高而提高,但随渗铝时间的延长呈现...
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