石如星,刘正东

• 1:钢铁研究总院结构材料研究所

摘要(Abstract)：

用透射电镜、扫描电镜和X射线能谱仪对P92钢在不同时效状态下δ-铁素体内的析出相进行了分析,结果表明,δ-铁素体内包含两种析出相,分别为VN与Laves相。VN呈短棒状,尺寸20～70 nm,较为稳定,Laves相平均等效直径在600℃下随时间的增加则有较大改变。此外,研究表明P92钢中的Laves相不但在晶界与亚晶界上析出,也在δ-铁素体晶内析出。

关键词(KeyWords)： P92耐热钢;δ铁素体;Laves相

Abstract:

Keywords:

基金项目(Foundation): 国家科技支撑计划资助项目(2007BAE51B02);; 国家“973”计划资助项目(2010CB600804,2010CB630800)

作者(Author): 石如星,刘正东

DOI: 10.13289/j.issn.1009-6264.2011.11.013

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