题名载能离子辐照钢铁材料硬化效应研究
作者张恒庆
答辩日期2014-05
授予单位中国科学院研究生院
授予地点北京
导师张崇宏
关键词Ods钢 He离子 重离子 辐照硬化
学位名称硕士
其他题名Irradiation hardening of ODS ferritic steels under helium implantation and heavy-ion irradiation
学位专业材料学
英文摘要The present work investigates the irradiation hardening of ODS ferritic steels after multi-energy He-ion implantation, or energetic Bi-ion and Xe-ion irradiation, to get an understanding of dependence of irradiation-hardening on atomic displacement damage and gas accumulation. Three kinds of high-Cr ODS ferritic steels including the commercial MA956 (19Cr-3.5Al), the 16Cr-0.1Ti and the 16Cr-0.1Zr ODS ferritic steels wereused. The results show that the hardness increases rapidly at the lower doses but tends to saturate at the higher dose. An 1/2-power law dependence on dpa value is obtained. Helium implantation contributes significantly to the irradiation hardening, possibly due to the impediment of the motion dislocations by helium bubbles.16Cr-ODS (Ti or Zr added) steels which contains finer oxide particles in higher number density show higher resistance to irradiation hardening than the MA956. 
内容类型学位论文
源URL[http://ir.impcas.ac.cn/handle/113462/17608]  
专题近代物理研究所_先进核能材料研究室(ADS)
近代物理研究所_能源材料研究组
作者单位中国科学院近代物理研究所
推荐引用方式
GB/T 7714
张恒庆. 载能离子辐照钢铁材料硬化效应研究[D]. 北京. 中国科学院研究生院. 2014.
个性服务
查看访问统计
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。


©版权所有 ©2017 CSpace - Powered by CSpace