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The corrosion of stainless steel and nickel base alloys in subcritical water condition
Zhang, L; Han, EH; Zhang, ZO; Guan, H; Ke, W
Corresponding AuthorZhang, L()
2003-06-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:6Pages:649-654
AbstractThe corrosion resistances of two types of stainless steels 304L, AL6XN and two types of nickel base alloys Inconel 718 and Alloy 671 were studied in the simulation environment of supercritical water oxidation (SCWO) system for recycling of waste plastics. The morphology of corrosion surfaces was inspected by scanning electron microscope (SEM). The results show that the order from high to low corrosion rates is 304L, AL6XN, Inconel 718, Alloy 671 after exposing in deionized pure water or 0.1 mol/L sodium chloride solution for 96 h at 320degreesC and its saturated vapor pressure. Two nickel base alloys show better resistance of general corrosion, while serious pits are found on the Inconel 718 samples. Only the Alloy 671 shows very excellent corrosion resistance in the testing conditions. The chemical compositions of the surfaces of Inconel 718 and Alloy 671 after experiments were examined by EDXS and XPS. And the results demonstrate that severe dealloying of Ni occurs on the Inconel 718, while chromium oxide film on the surface of Alloy 671 plays excellent protecting role. Alloy 671 can be considered as the candidate fabrication material of SCWO vessel.
Keywordsupercritical water oxidation stainless steel nickel base alloy corrosion plastic
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000183958400019
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/117452
Collection中国科学院金属研究所
Corresponding AuthorZhang, L
AffiliationChinese Acad Sci, State Key Lab Corros & Protect, Met Res Inst, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Zhang, L,Han, EH,Zhang, ZO,et al. The corrosion of stainless steel and nickel base alloys in subcritical water condition[J]. ACTA METALLURGICA SINICA,2003,39(6):649-654.
APA Zhang, L,Han, EH,Zhang, ZO,Guan, H,&Ke, W.(2003).The corrosion of stainless steel and nickel base alloys in subcritical water condition.ACTA METALLURGICA SINICA,39(6),649-654.
MLA Zhang, L,et al."The corrosion of stainless steel and nickel base alloys in subcritical water condition".ACTA METALLURGICA SINICA 39.6(2003):649-654.
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