朱玉琴,苏艳,舒畅,罗来正.海洋大气对TA15钛合金应力腐蚀影响研究[J].装备环境工程,2012,9(2):85-88. ZHU Yu-qin,SU Yan,SHU Chang,LUO Lai-zheng.Research on Influence of Marine Atmosphere on Stress Corrosion of TA15 Titanium Alloy[J].Equipment Environmental Engineering,2012,9(2):85-88.
海洋大气对TA15钛合金应力腐蚀影响研究
Research on Influence of Marine Atmosphere on Stress Corrosion of TA15 Titanium Alloy
投稿时间:2011-08-22  
DOI:
中文关键词:  TA15钛合金  应力腐蚀  裂纹扩展  断面分析
英文关键词:TA15titanium alloy  stress corrosion cracking  crack propagation  fracture surface analysis
基金项目:国防基础科研项目(D1020060943)
作者单位
朱玉琴 1.中国兵器工业第五九研究所,重庆400039;2.重庆市环境腐蚀与防护工程技术研究中心,重庆400039 
苏艳 1.中国兵器工业第五九研究所,重庆400039;2.重庆市环境腐蚀与防护工程技术研究中心,重庆400039 
舒畅 1.中国兵器工业第五九研究所,重庆400039;2.重庆市环境腐蚀与防护工程技术研究中心,重庆400039 
罗来正 1.中国兵器工业第五九研究所,重庆400039;2.重庆市环境腐蚀与防护工程技术研究中心,重庆400039 
AuthorInstitution
ZHU Yu-qin 1. No.59Research Institute of China Ordnance Industry,Chongqing400039,China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection,Chongqing400039,China 
SU Yan 1. No.59Research Institute of China Ordnance Industry,Chongqing400039,China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection,Chongqing400039,China 
SHU Chang 1. No.59Research Institute of China Ordnance Industry,Chongqing400039,China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection,Chongqing400039,China 
LUO Lai-zheng 1. No.59Research Institute of China Ordnance Industry,Chongqing400039,China;2. Chongqing Engineering Research Center for Environmental Corrosion and Protection,Chongqing400039,China 
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中文摘要:
      采用恒位移WOL试样测定KISCC的原理对已在海洋平台户外和海水飞溅区暴露2a的TA15钛合金样及原始TA15钛合金样进行了应力腐蚀行为研究。探讨了TA15钛合金预制裂纹的条件,并用裂纹终止法测量应力腐蚀临界应力场强度因子,确立了应力场强度因子KISCC与裂纹瞬时扩展速率da/dt之间的联系,并绘制了lg (da/dt)-KI曲线。通过扫描电镜对试件断面进行了分析,对其断裂特征进行了描述。
英文摘要:
      Stress corrosion cracking (SCC) behavior of TA15titanium alloy before and after 2years exposure in marine platform and marine splashing zone was studied using WOL specimen and static displacement method. The pre-cracking condition of TA15titanium alloy was discussed. KISCC of the alloy was measured using cracking ending method.lg(da/dt)-KI curves were plotted and the relationship between stress field intensity factorsKI and velocity of crack propagation da/dt was discussed. The fracture surface was inspected using SEM and the fracture characteristics were discussed.
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