| 核电站蒸汽发生器传热管二次侧晶间腐蚀和晶间应力腐蚀及防护 |
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| 引用本文： | 丁训慎. 核电站蒸汽发生器传热管二次侧晶间腐蚀和晶间应力腐蚀及防护[J]. 腐蚀与防护, 2002, 23(10): 441-444 |
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| 作者姓名： | 丁训慎 |
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| 作者单位： | 核动力运行研究所,武汉,430074 |
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| 摘 要： | 晶间腐蚀（IGA）和晶间应力腐蚀（IGSCC）被认为是在蒸汽发生器某些部位存在的杂质，由于沸滕和冷却循环较差而发生浓缩，以及传热管的应力、材料敏感性和温度的作用而引起的。防止IGA和IGSCC的措施包括：控制二次侧化学杂质、改善缝隙环境、定期的清洗和进行在役检查等。
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| 关 键 词： | 核电站 蒸汽发生器 传热管 晶间腐蚀 IGA 晶间应力腐蚀 IGSCC 防护 |
| 文章编号： | 1005-748X(2002)10-0441-04 |
| 修稿时间： | 2001-12-10 |
IGA/IGSCC AND PROTECTION ON SECONDARY SIDE OF STEAM GENERATOR TUBES IN NUCLEAR POWER PLANTS |
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| DING Xun-shen. IGA/IGSCC AND PROTECTION ON SECONDARY SIDE OF STEAM GENERATOR TUBES IN NUCLEAR POWER PLANTS[J]. Corrosion & Protection, 2002, 23(10): 441-444 |
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| Authors: | DING Xun-shen |
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| Abstract: | Intergranular corrosion (IGA) and intergranular stress corroison cracking (IGSCC) in tubes of steam generators are believed to be caused by impurities that concentrate at certain locations where boiling occurs and coolant circulation is poor, as well as by the effects of tube stress, material susceptibility and temperature. Following measures are used to prevent the IGA and IGSCC: secondary side chemical impurity control, improving crevice environments, periodic cleaning and in-service inspection. |
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| Keywords: | Nuclear power plant Steam generator IGA IGSCC Protection |
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