Fe-Cr合金在450℃的KCl及KCCI-ZnCl2盐膜中的腐蚀

来源 :金属学报 | 被引量 : 0次 | 上传用户：xicai2009

【摘要】

：

研究了Fe-10Cr,Fe-25Cr两种合金在450℃于K,Zn氯化物中的腐蚀.结果表明,与在KCI-ZnCl2熔盐中的腐蚀不同,合金无论在固态的KCl还是熔融态的KCI-ZnCl2盐膜下均发生了加速腐蚀,

【作者】

：

李远士牛焱吴维

【机构】

：

中国科学院金属研究所金属腐蚀与防护国家重点实验室

【出处】

：

金属学报

【发表日期】

：

2004年期

【关键词】

：

Fe-Cr合金 KCl ZnCl2 垃圾焚烧腐蚀

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研究了Fe-10Cr,Fe-25Cr两种合金在450℃于K,Zn氯化物中的腐蚀.结果表明,与在KCI-ZnCl2熔盐中的腐蚀不同,合金无论在固态的KCl还是熔融态的KCI-ZnCl2盐膜下均发生了加速腐蚀,且在混合盐膜下的腐蚀更为严重,合金的耐蚀性不随Cr含量的增加而得到改善;Fe-Cr合金在上述两种腐蚀条件下的耐蚀性差异与氧的供应量有关,并导致保护性的氧化膜具有不同的热力学稳定性.

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Fe-Cr合金在450℃的KCl及KCCI-ZnCl2盐膜中的腐蚀

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