采用慢应变速率试验(SSRT),在模拟AP1000高温高压(350℃,18.5 MPa)水环境中,研究了溶解氧对E308L不锈钢堆焊层的应力腐蚀开裂(SCC)倾向的影响规律,并详细观察了试样断口形貌.结果表明,不锈钢堆焊层分别在含0 μg/kg、200 μg/kg和2 000 μg/kg的不同溶解氧量的高温水环境中都呈现出了不同程度的SCC倾向,且水中溶解氧含量的增加使得SCC倾向更为明显.
参考文献
| [1] | T. L. Schulz .Westinghouse AP1000 advanced passive plant[J].Nuclear engineering and design,2006(14/16):1547-1557. |
| [2] | Regis A. Matzie .AP1000 will meet the challenges of near-term deployment[J].Nuclear engineering and design,2008(8):1856-1862. |
| [3] | ANDRESEN P L.Perspective and direction of stress corrosion cracking in hot water[A].NACE,2001:207. |
| [4] | KANE R D.Slow strain rate testing for the evaluation of environmentally induced cracking[M].USA:ASTM International,1993 |
| [5] | L. Bertini;C. Santus;R. Valentini .New high concentration-high temperature hydrogenation method for slow strain rate tensile tests[J].Materials Letters,2007(11/12):2509-2513. |
| [6] | Kristian Mathis;Dusan Prchal;Radek Novotny;Peter Haehner .Acoustic emission monitoring of slow strain rate tensile tests of 304L stainless steel in supercritical water environment[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(1):59-63. |
| [7] | Long, B.;Dai, Y.;Baluc, N. .Investigation of liquid LBE embrittlement effects on irradiated ferritic/martensitic steels by slow-strain-rate tensile tests[J].Journal of Nuclear Materials: Materials Aspects of Fission and Fusion,2012(1/3):85-90. |
| [8] | 李红梅,蔡珣,吕战鹏,杨武.304不锈钢在含硼和锂的高温水中的应力腐蚀破裂和表层氧化膜分析[J].材料工程,2004(04):7-10. |
| [9] | ANDRESEN P L;YOUNG L M.Characterization of the roles of electrochemistry,Convection and crack chemistry in stress corrosion cracking[A].NACE,1995:579-596. |
| [10] | ANDRESEN P L;BRIANT C L .Environmentally assisted cracking of 304L/316L/316NG stainless steels in 288 C water[J].CORROSION,1989,45:448-463. |
| [11] | P.L. Andresen .Emerging Issues and Fundamental Processes in Environmental Cracking in Hot Water[J].Corrosion: The Journal of Science and Engineering,2008(5):439-464. |
| [12] | Andresen, PL;Morra, MM .IGSCC of non-sensitized stainless steels in high temperature water[J].Journal of Nuclear Materials,2008(1/2):97-111. |
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