800、600和690合金的铅致应力腐蚀破裂

腐蚀与防护, 2001, 22(11): 483-488. doi: 10.3969/j.issn.1005-748X.2001.11.006

800、600和690合金的铅致应力腐蚀破裂

华惠中 ^1, , 黄春波 ^2, , 吕战鹏 ^3, , 杨武 ^4,

1.R＆D Division,McDermott Technology,Inc.USA

2.上海材料研究所

3.上海材料研究所

4.上海材料研究所

基金项目: 国家重点基础研究发展计划(973计划)(G19990650)

关键词：镍合金 , 蒸汽发生器 , 铅致应力腐蚀破裂 , 二回路水化学

LEAD-INDUCED STRESS CORROSION CRACKING OF ALLOYS 800, 600 AND 690

在很多核电站的蒸汽发生器中都发现了金属态铅或氧化态铅,因而蒸汽发生器传热管的铅诱导(铅致)应力腐蚀破裂(PhSCC)已引起广泛的注意.已证实在压水堆的蒸汽/水系统,特别对管材,存在着铅的许多可能的来源.本文介绍了PbSCC的现场事例,讨论在压水堆(PWR)二回路条件(碱性、酸性和近中性)下铅对镍合金SCC的影响及其作用机理研究的进展.

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材料期刊网

800、600和690合金的铅致应力腐蚀破裂

LEAD-INDUCED STRESS CORROSION CRACKING OF ALLOYS 800, 600 AND 690

参考文献