袁丰伟,郑海忠,鲁世强,胡春文,王晓震

• 1:南昌航空大学江西省金属材料微结构调控重点实验室
• 2:北京航空材料研究院

摘要(Abstract)：

研究了21-6-9不锈钢在400~900℃退火过程中析出相的析出行为,采用热力学计算软件和微观结构检测技术对21-6-9不锈钢的析出相进行了表征。结果表明,在退火过程中21-6-9不锈钢的析出相为M23C6型碳化物,析出温度范围大致为630~850℃,其中析出敏感温度为800℃左右,M23C6析出量随温度升高先增多后减少,析出相固溶温度为900℃左右。在700℃保温10 min后,晶界处有少量M23C6析出,随保温时间延长,M23C6析出量逐渐增多,且由晶界析出逐渐向晶内生长。

关键词(KeyWords)： 21-6-9不锈钢;退火处理;析出行为;M23C6型碳化物

Abstract:

Keywords:

基金项目(Foundation): 江西省自然科学基金(2010GQC0154);; 博士启动金(EA200901372);; 江西省金属材料微结构调控重点实验室项目(JW201223003)

作者(Author): 袁丰伟,郑海忠,鲁世强,胡春文,王晓震

DOI: 10.13289/j.issn.1009-6264.2014.11.020

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