DataVXSurface EngineeringPaper
journal article·2020-05-03

Enhancement of wear resistance by sand blasting-assisted rapid plasma nitriding for 304 austenitic stainless steel

Dong Li, Jiqiang Wu, Bin Miao, Xiaobing Zhao, Changjun Mao, Wei Wei, Jing Hu

Surface Engineering· Volume 36· Issue 5
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Source abstract

Abstract

In this study, a pretreatment of sand blasting (SB) was carried out prior to plasma nitriding to enhance the nitriding efficiency and improve the wear resistance for 304 austenitic stainless steel. The surface morphology, microstructure, phase constituents and wear resistance were systematically investigated by means of scanning electron microscopy, optical microscopy, Vickers hardness tester, X-ray diffraction and pin-on-disk tribotester, etc. The results showed that SB had significant enhancement effect on nitriding efficiency and wear resistance. Meanwhile, the enhancement effect is duration dependent; the optimal wear resistance is obtained at SB duration of 15 min, which is mainly ascribed to the excellent protection from the thicker and denser compound layer.
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Research context

Metals & alloys

OpenAlex topics: Metal and Thin Film Mechanics · Surface Treatment and Residual Stress · Diamond and Carbon-based Materials Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jiangsu Key Laboratory of Materials Science and Technology, Changzhou University, Changzhou, People’s Republic of China

Huaide College, Changzhou University, Changzhou, People’s Republic of China

Sinopec Oilfield Equipment Corporation Kingdream Public Limited Company, Wuhan, People’s Republic of China

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, People’s Republic of China

Jiangsu Collaborative Innovation Center of Photovolatic Science and Engineering, Changzhou University, Changzhou, People’s Republic of China

Funding

National Natural Science Foundation of China · Top-notch Academic Programs Project of Jiangsu Higher Education Institutions · Priority Academic Program Development of Jiangsu Higher Education Institutions · Postgraduate Research & Practice Innovation Program of Jiangsu Province

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