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Effects of Forging and Heat Treatments on the Microstructure and Oxidation Behavior of 316LN Stainless Steel in High Temperature Water
Y. L.; Han Guo, E. H.; Wang, J. Q.
2015
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume31Issue:4Pages:403-412
AbstractMicrostructure of 316LN stainless steel (ss), including the as-received material and samples processed by solution anneal treatment and stress relief treatment after forging, was characterized by Vickers hardness (HV) testing and electron back scattering diffraction (EBSD). The oxide film formed on samples after immersion in borated and lithiated water at 583.15 K was investigated by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Results showed that the grain size of samples was largely reduced after forging. Higher fraction of coincidence site lattice (CSL) boundaries and lower residual strain were observed in samples with either solution anneal treatment or stress relief treatment. The proportion of CSL boundaries was largely enhanced by solution anneal treatment after forging, due to the recrystallization occurring during solution anneal treatment. The oxide film grown on 316LNss with solution anneal treatment after forging exhibited more strong protectiveness, as compared to the oxide film grown on samples with stress relief treatment after forging and the oxide film grown on asreceived samples without forging. The mechanisms of oxidation were then discussed. Copyright (C) 2015, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.
description.department[guo, yueling ; han, en-hou] univ sci & technol beijing, natl ctr mat serv safety, beijing 100083, peoples r china. [han, en-hou ; wang, jianqiu] chinese acad sci, inst met res, key lab nucl mat & safety assessment, shenyang 110016, peoples r china. ; han, eh (reprint author), univ sci & technol beijing, natl ctr mat serv safety, beijing 100083, peoples r china. ; ehhan@imr.ac.cn
KeywordStainless Steel Forging Corrosion . Residual Strain Oxide Film Stress-corrosion Cracking Grain-boundary Oxide-films Supercritical Water Alloy 690 Intergranular Corrosion Dissolved-oxygen Hot Deformation 304-stainless-steel Strain
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73810
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. L.,Han Guo, E. H.,Wang, J. Q.. Effects of Forging and Heat Treatments on the Microstructure and Oxidation Behavior of 316LN Stainless Steel in High Temperature Water[J]. Journal of Materials Science & Technology,2015,31(4):403-412.
APA Y. L.,Han Guo, E. H.,&Wang, J. Q..(2015).Effects of Forging and Heat Treatments on the Microstructure and Oxidation Behavior of 316LN Stainless Steel in High Temperature Water.Journal of Materials Science & Technology,31(4),403-412.
MLA Y. L.,et al."Effects of Forging and Heat Treatments on the Microstructure and Oxidation Behavior of 316LN Stainless Steel in High Temperature Water".Journal of Materials Science & Technology 31.4(2015):403-412.
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