国产A508-3钢的低周疲劳性能研究  

Investigation on Low-cycle Fatigue Property of Domestic A508-3Steel

作　　者：刘哲[1] 佟振峰[1] 梁政强[1] 

机构地区：[1]中国原子能科学研究院,北京102413

出　　处：《原子能科学技术》2014年第1期127-133,共7页Atomic Energy Science and Technology

基　　金：973计划资助项目(2011CB610503);国家科技重大专项资助项目(2012ZX06004-012)

摘　　要：结合承担的973课题,系统开展了国产A508-3钢的低周疲劳性能研究。其目的是通过低周疲劳性能测试、显微硬度计算、断口形貌观察以及微观结构分析,获得材料的疲劳性能数据,评价国产A508-3钢的疲劳性能,并为下一步辐照性能的研究提供数据基础。研究结果表明,国产A508-3钢的低周疲劳性能符合ASME的设计规范,具有循环软化的特征。By combining the subject of the Task Force 973 ,the investigation on low-cycle fatigue property of the domestic A508-3 steel was carried out .The purpose is to obtain material fatigue performance data and to evaluate A 508-3 steel fatigue property through the low-cycle fatigue test , micro hardness calculation , specimen fracture morphology and microstructure analysis .The results will provide reference data basis for following irradiation property study of the materials .The results show that the low-cycle fatigue property of the domestic A 508-3 steel conforms to the ASM E design specifications ,and has the charactristic of cyclic softening .

关 键 词：A508-3钢 低周疲劳 微观结构 

分 类 号：TL341[核科学技术—核技术及应用]