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中国腐蚀与防护学报  2004, Vol. 24 Issue (1): 16-19     
  研究报告 本期目录 | 过刊浏览 |
304不锈钢在含硼和锂的高温水中的应力腐蚀破裂和断口分析
李红梅;杨武;蔡旬;吕战鹏
上海交通大学材料学院
Fractography of the Stress Corrosion Cracking Specimens of Type 304 Stainless Steel in High Temperature Water Containing Boric Acid and Lithium Ion
Hongmei Li;Wu Yang;Xun Cai;Zhanpeng Lv
全文: PDF(276 KB)  
摘要: 采用高温高压慢应变速率拉伸试验方法,考察304奥氏体不锈钢在含B和Li离子的介质中的应力腐蚀敏感性。结果显示,材料的处理方式、介质中含Cl及试验温度均影响该钢种的应力腐蚀破裂敏感性,并在断口形貌中得以反映。
关键词 304不锈钢应力腐蚀破裂断口形貌    
Abstract:Stress corrosion cracking (SCC) of 304 stainless steel in high temperature water media containing H3BO3 and Li+ was studied using slow stain rate test (SSRT). One group samples were annealed (heated at 1050℃ for 60 min. then water quenched) and the other group samples were sensitized (annealed sample then heated at 650℃ for 120 min. and water quenched). Temperature for SSRT is 300℃ or 250℃. Water Media contained 1200mg/L H3BO3, 2mg/L Li+, 2.5 mg/L or 5mg/L Cl- in order to simulate pressurized water reactor condition. The results proved that sensitized material, chloride concentration in the water and higher test temperature showed SCC susceptibility more severely for 304 stainless steel. The fractography proved susceptibility clearly.
Key words304 stainless steel    stress corrosion cracking    fractography
收稿日期: 2003-01-12     
ZTFLH:  TG111.9  
通讯作者: 李红梅   

引用本文:

李红梅; 杨武; 蔡旬; 吕战鹏 . 304不锈钢在含硼和锂的高温水中的应力腐蚀破裂和断口分析[J]. 中国腐蚀与防护学报, 2004, 24(1): 16-19 .
Hongmei Li, Wu Yang, Xun Cai, Zhanpeng Lv. Fractography of the Stress Corrosion Cracking Specimens of Type 304 Stainless Steel in High Temperature Water Containing Boric Acid and Lithium Ion. J Chin Soc Corr Pro, 2004, 24(1): 16-19 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2004/V24/I1/16

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