| 耐热不锈钢管锈蚀原因分析 |
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| 引用本文： | 曹标,林丽珍,谭莹,陈明.耐热不锈钢管锈蚀原因分析[J].理化检验(物理分册),2005,41(10):527-528. |
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| 作者姓名： | 曹标 林丽珍 谭莹 陈明 |
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| 作者单位： | 1. 广州出入境检验检疫局化矿金属材料检测中心,广州,510623
2. 广东省电力工业学校,广州,510520 |
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| 摘 要： | 采用扫描电镜和X射线能谱分析等方法,对一批进口的耐热不锈钢管表面锈蚀原因进行了分析.结果表明,管子表面锈蚀是由海水浸入所致,同时该批管子部分焊缝区存在缩孔和裂纹等焊接缺陷,这些焊接缺陷降低了其耐腐蚀性能,从而加速了腐蚀过程的发生.
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| 关 键 词： | 耐热不锈钢 表面锈蚀 原因分析 |
| 文章编号： | 1001-4012（2005）10-0527-02 |
| 收稿时间： | 2005-06-23 |
| 修稿时间： | 2005-06-23 |
ANALYSIS ON SURFACE CORROSION OF HEAT-RESISTANT STAINLESS STEEL TUBES |
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| CAO Biao,LIN Li-zhen,TAN Ying,CHEN Ming.ANALYSIS ON SURFACE CORROSION OF HEAT-RESISTANT STAINLESS STEEL TUBES[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2005,41(10):527-528. |
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| Authors: | CAO Biao LIN Li-zhen TAN Ying CHEN Ming |
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| Affiliation: | 1. Guangzhou Entry-Exit Inspection and Quarantine Bureau, Guangzhou 510623, China; 2. Guangdong Power Industry School, Guangzhou 510520, China |
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| Abstract: | Surface corrosion of heat-resistant stainless steel tubes imported was analyzed by SEM. EDS. It was shown that the surface corrosion on the tubes resulted from sea-water. And it was also shown that there were welding defects such as shrinkages and cracks. These defects lowered corrosion-resistant ability of the tubes, and accelerated the corrosion. |
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| Keywords: | Heat-resistant stainless steel Surface corrosion Cause analysis |
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