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Corrosion behavior of NiCr alloys in HCI-containing oxidation atmosphere at 700-800 degrees C
Zhang, K; Niu, Y; Pan, TJ; Wu, WT
Corresponding AuthorZhang, K(kezhang@imr.ac.cn)
2004-06-01
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume14Issue:3Pages:543-549
AbstractCorrosion behaviors of pure Ni and three NiCr alloys were investigated in an HCl-containing oxidizing atmosphere at 700 degreesC and 800 degreesC. All materials suffer from accelerated corrosion at both temperatures. NiCr alloys show an initial mass loss due to the formation of volatile CrCl3 and CrO2Cl2. Some chlorides are detected at the scale/substrate interface and many voids are also found there. NiCr alloys with higher chromium content have better corrosion resistance. However, Ni50Cr is inferior to Ni25Cr due to its two-phase structure, which makes it easy for chlorine to diffuse along grain boundary and to occur inner oxidation. The relevant corrosion mechanism was also discussed.
KeywordNiCr alloy high temperature corrosion refuse incineration chlorination-oxidation active oxidation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000222451000026
PublisherALLERTON PRESS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81095
Collection中国科学院金属研究所
Corresponding AuthorZhang, K
AffiliationChinese Acad Sci, Met Res Inst, State Key Lab Met Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, K,Niu, Y,Pan, TJ,et al. Corrosion behavior of NiCr alloys in HCI-containing oxidation atmosphere at 700-800 degrees C[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2004,14(3):543-549.
APA Zhang, K,Niu, Y,Pan, TJ,&Wu, WT.(2004).Corrosion behavior of NiCr alloys in HCI-containing oxidation atmosphere at 700-800 degrees C.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,14(3),543-549.
MLA Zhang, K,et al."Corrosion behavior of NiCr alloys in HCI-containing oxidation atmosphere at 700-800 degrees C".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 14.3(2004):543-549.
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