| 不锈钢换热器板片泄漏原因分析 |
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| 引用本文： | 王荣.不锈钢换热器板片泄漏原因分析[J].理化检验(物理分册),2006,42(5):255-257. |
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| 作者姓名： | 王荣 |
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| 作者单位： | 上海材料研究所,上海,200437 |
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| 摘 要： | 316不锈钢换热器板片在使用中发生泄漏。对失效件进行了金相检验、腐蚀产物的成分分析，以及应力状态分析，对腐蚀起主要作用的氯离子的来源，以及氯离子在应力腐蚀过程中循环作用的机理作了探讨。结果表明，该换热器板片泄漏为应力腐蚀所致。
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| 关 键 词： | 应力腐蚀 孪晶奥氏体 穿晶 滑移 |
| 文章编号： | 1001-4012（2006）05-0255-03 |
| 收稿时间： | 2005-07-08 |
| 修稿时间： | 2005-07-08 |
LEAK ANALYSIS ON STAINLESS STEEL RADIATOR BOARD |
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| WANG Rong.LEAK ANALYSIS ON STAINLESS STEEL RADIATOR BOARD[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2006,42(5):255-257. |
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| Authors: | WANG Rong |
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| Affiliation: | Shanghai Research institute of Materials, Shanghai 200437, China |
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| Abstract: | The leak reason of 316 stainless steel radiator board was stress corrosion according to the results of metallographic examnation, chemical compositon ananlysis of the corrosive product and stress state analysis of failure specimen. Stress corrosion mechanisms was discussed. The source of Cl^- responsible for the corrosion mainly and cyclical reaction mechanisms of Cl^- during the stress corrosion process of stainless steel were studied in detail. |
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| Keywords: | Stress-corrosion Twin austenite Transgranular Slip |
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