[1]花能斌,王劲扬,徐杨,等.含氮节镍型QN2109Mo奥氏体不锈钢组织和性能[J].福建工程学院学报,2022,20(06):549-555.[doi:10.3969/j.issn.1672-4348.2022.06.007]
　HUA Nengbin,WANG Jingyang,XU Yang,et al.Microstructure and properties of nitrogen-containing nickel-saving QN2109Mo austenitic stainless steel[J].Journal of FuJian University of Technology,2022,20(06):549-555.[doi:10.3969/j.issn.1672-4348.2022.06.007]
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含氮节镍型QN2109Mo奥氏体不锈钢组织和性能()
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《福建工程学院学报》[ISSN:2097-3853/CN:35-1351/Z]

卷:
第20卷
期数:
2022年06期
页码:
549-555
栏目:
出版日期:
2022-12-25

文章信息/Info

Title:
Microstructure and properties of nitrogen-containing nickel-saving QN2109Mo austenitic stainless steel
作者:
花能斌; 王劲扬; 徐杨; 王乾廷
福建工程学院材料科学与工程学院
Author(s):
HUA Nengbin;  WANG Jingyang;  XU Yang;  WANG Qianting
School of Materials Science and Engineering, Fujian University of Technology
关键词:
含氮不锈钢; 奥氏体组织; 间隙固溶; 耐磨损性能; 耐腐蚀性能
Keywords:
nitrogen-containing stainless steel;  austenitic structure;  interstitial solid solution;  wear resistance;  corrosion resistance
分类号:
TG142.1
DOI:
10.3969/j.issn.1672-4348.2022.06.007
文献标志码:
A
摘要:
选择含氮节镍型QN2109Mo奥氏体不锈钢作为研究对象，采用XRD、TEM、SEM、EDS、摩擦磨损试验机和电化学工作站等检测手段，研究QN2109Mo不锈钢的组织结构、摩擦磨损性能以及耐腐蚀性能，并与316L不锈钢进行对比。实验结果表明:N原子主要以间隙固溶形式存在于QN2109Mo不锈钢中，对QN2109Mo不锈钢组织起到了细化作用，提高了QN2109Mo 不锈钢的硬度。在干摩擦状态下，QN2109Mo不锈钢的耐磨损性能优于316L不锈钢，其磨损机理为氧化磨损和磨粒磨损共同作用。在w(NaCl)为3.5%的溶液中，QN2109Mo不锈钢表现出比316L不锈钢更低的自腐蚀电流密度和更高的点蚀电位，具有更优异的耐NaCl 溶液腐蚀性能。
Abstract:
QN2109Mo nickel-saving austenitic stainless steel containing nitrogen was selected as the research object. Its microstructure, frictional wear properties and corrosion resistance were studied with XRD, TEM, SEM, EDS, frictional wear tester and electrochemical workstation, and then compared with those of 316L stainless steel. Results show that nitrogen atoms mainly exist in the form of interstitial solid solution in QN2109Mo stainless steel. Nitrogen atoms play a role in refining the structure of the steel and thus improving its hardness. Under the dry friction condition, the wear resistance of QN2109Mo stainless steel is better than that of 316L stainless steel, and its wear mechanism is the combined action of oxidation wear and abrasive wear. In the 3.5%（wt） NaCl solution, QN2109Mo stainless steel exhibits a lower self-corrosion current density and a higher pitting corrosion potential than those of 316L stainless steel, which corresponds to the better corrosion resistance to NaCl solution.

参考文献/References:

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更新日期/Last Update: 2022-12-25