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and the testing conditions. The wear mechanism diagram of MZA is constructed, it contains two typical regions. It suggests that the wear mechanisms of MZA in each of the region change from one... that MZA is dominated by micro-crack and brittle fracture in the severe wear region. Fig.6 SEM images in severe wear region In the whole testing range, the worn surface......
discussed. 2 Experimental The fretting wear tests were carried out using a hydraulic Deltalab-Nene testing system, as described in Ref.[7]. The material used in this study was AZ91D alloy... Fretting wear behavior of AZ91D magnesium alloy CHEN An-hua(陈安华)1, HUANG Wei-jiu(黄伟九)2, LI Zhao-feng(李兆峰)2 1. School of Mechanical Engineering, Hunan University of Science and Technology......
bearing steel ring always contacted with lubricating oil during wear test. Prior to weighing and testing, specimens and rings were cleaned in acetone for 15 min. An analytical balance with accuracy of 0.01... J. Cent. South Univ. (2020) 27: 311-324 DOI: https://doi.org/10.1007/s11771-020-4297-y Wear map for sliding wear behavior of Cu-15Ni-8Sn alloy against bearing steel under oil-lubricated condition......
. The specimens for testing, containing 0 to 3% of CNTs respectively, were 60 mm×10 mm×2 mm in size. 2.2 Friction and wear tests The friction coefficient of the composites was measured using... with loads of 1 N and 3 N at a sliding velocity of 0.16 m?s-1. The stroke length and testing distance were 10 mm and 50 cm, respectively. The wear tests were conducted on a DMT-1 multi-functional......
J. Cent. South Univ. (2012) 19: 1175-1181 DOI: 10.1007/s11771-012-1125-z Finite element and experimental analysis of Vickers indentation testing on Al2O3 with diamond-like carbon coating ZHAI... indentation testing of the Al2O3 ceramic coated by diamond-like carbon (DLC) layer were conducted. The numerical analysis was implemented by a two-dimensional finite element (FE) axis symmetry model. FE......
Effect of graphite content on wear property of graphite/Al2O3/Mg-9Al-1Zn-0.8Ce composites ZHANG Mei-juan(张美娟)1, YANG Xiao-hong(杨晓红)1, LIU Yong-bing(刘勇兵)1, CAO Zhan-yi(曹占义)1, CHENG Li-ren(程丽任)1, PEI Ya-li(裴亚利)2 1. Key Laboratory of Automobile Material of Ministry of Education, Jilin University, Changchun 130025, China; 2. Beijing Institute of Aerospace Testing Technology, Beijing 100074......
are better than those of matrix alloy under the testing conditions. The anti-wear behaviour of AZ91 alloy is much better than that of AM60 alloy. In dry sliding process,magnesium alloys undergo a transition...Friction and Wear Characteristics of Mg-Al Alloy Containing Rare Earths 杨晓红1,刘勇兵1,祁庆琚1 (1.College of Materials Science and Engineering, Jilin University, Changchun 130025, China) Abstract......
. The volumetric wear rate W was evaluated as W=V/s(2) where s is the total sliding distance. The test deviation was not more than 6%. After testing, the worn surface of the samples was studied using... wear fragments from the testing sample. Hence, for the medium undercooling region, the predominant wear mechanism can be identified as plastic deformation and fracture. 4 CONCLUSIONS 1......
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