Open AccessComparison of Sliding Wear Properties of 400 Grade Low Alloy Wear-resistant Steels with Different Microstructure
Author(s) -
Yingchao Pei,
Dianxiu Xia,
Cong Liang,
Xuelin Wang,
Shouren Wang,
DongYue Wang
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/727/1/012002
Subject(s) - materials science , microstructure , martensite , metallurgy , abrasive , alloy , bainite , scanning electron microscope , indentation hardness , optical microscope , toughness , alloy steel , wear resistance , composite material
Comparative study on sliding friction and wear properties of low alloy wear-resistant steel Hardox400 and NM400 at room temperature using Retc multi-function friction and wear tester. The hardness, microstructure and wear surface morphology of the test steel were compared and analyzed by microhardness tester, optical microscope (OM) and scanning electron microscope (SEM). The results show that the wear mechanism of the two kinds of test steels is mainly manifested as abrasive wear and fatigue wear. The Martensite-Bainite Dual Phase Structure in Hardox400 has a good match of strength and toughness, and the sliding wear performance is better than the NM400 of martensite structure.