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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 |
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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.
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Received: 12 January 2003
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Cite this article:
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 .
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2004/V24/I1/16
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