氮化温度对304奥氏体不锈钢耐蚀性和耐磨性的影响

IF 2 3区材料科学 Q2 ENGINEERING, MECHANICAL Surface Topography: Metrology and Properties Pub Date : 2023-08-21 DOI:10.1088/2051-672X/acf235

Tianxiang Peng, Liang Wang

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引用次数: 0

摘要

对AISI 304奥氏体不锈钢(304SS)在440℃、460℃和480℃条件下，以1:2的NH3和N2混合物快速等离子体氮化1h。评价了渗氮层的相组成、渗氮层厚度、耐磨性能和耐蚀性能。在480℃渗氮1h后，可获得6.3 μm厚的渗氮层。研究了渗氮工艺对渗氮层组织、形貌、硬度、耐蚀性和耐磨性的影响。与未渗氮的304SS相比，其耐磨性和耐腐蚀性得到了显著提高。

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Effect of nitriding temperature and its effects on the corrosion and wear resistance of 304 austenitic stainless steel

Rapid plasma nitriding of AISI 304 austenitic stainless steel (304SS) was carried out at 440, 460 °C and 480 °C for 1 h in a mixture of NH3 and N2 with a ratio of 1:2. The phase composition, thickness of nitrided layer and properties of wear, and corrosion resistance were evaluated. After nitriding at 480 °C for 1 h, a 6.3 μm the thick nitrided layer was achieved. The influence of the nitriding process on the microstructure, morphology, hardness, corrosion, and wear resistance of the nitrided layers were also studied. Compared with unnitrided 304SS, the wear and corrosion resistances were substantially improved.

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来源期刊

Surface Topography: Metrology and Properties Materials Science-Materials Chemistry

CiteScore

4.10

自引率

22.20%

发文量

183

期刊介绍： An international forum for academics, industrialists and engineers to publish the latest research in surface topography measurement and characterisation, instrumentation development and the properties of surfaces.