表面技术2017，Vol.46Issue(7)：104-109,6.DOI:10.16490/j.cnki.issn.1001-3660.2017.07.017
火焰喷涂和等离子喷涂FeCrBSi涂层及其防滑和耐磨性能研究
Flame Sprayed and Atmospheric Plasma Sprayed FeCrBSi Coatings and Their Skid and Wear Resistance
摘要
Abstract
The work aims to investigate and compare skid and wear resistance of FeCrBSi coatings by preparing the coatings on 304 stainless steel substrate by atmospheric plasma spray (APS) and flame spray (FS) techniques, respectively. Microstructure and structure of the coatings were analyzed with optical microscope (OM), field-emission scanning electron microscope (FE-SEM) and X-ray diffracto-meter (XRD), and microhardness with Vickers hardness tester. Friction coefficients and wear volume of the coatings under dry lubrication conditions were measured with friction-abrasion testing machine and three-dimensional optical microscope. FeCrBSi coatings prepared in both spraying methods were porous and rarely oxidized during the spraying process. APS coating exhibited considerably higher hardness (837 HV0.1) than the FS coating (749 HV0.1). In friction test, wear rate of APS coating was (9.5±0.49)×106 m3/(N·m), much lower than that of FS coating ((38.63±2.37)×106 m3/(N·m)). However, the friction coefficients of the two coatings were very close, the value between was 0.6~0.7 at 10 N load and 2 Hz frequency. The main wear mechanism of the two coatings was fatigue wear. The as-sprayed FeCrBSi coatings have good skid and wear resistance, and the performance of APS coating is superior to that of FS coating.关键词
等离子喷涂/火焰喷涂/FeCrBSi/防滑涂层/耐磨性Key words
atmospheric plasma spray/flame spray/FeCrBSi/non-skid coating/wear resistance分类
矿业与冶金引用本文复制引用
吴庆丹,刘黎明,徐海峰,肖金坤,张超..火焰喷涂和等离子喷涂FeCrBSi涂层及其防滑和耐磨性能研究[J].表面技术,2017,46(7):104-109,6.基金项目
扬州市-扬州大学市校合作基金(YZ2016254) （YZ2016254）
江苏省自然科学基金(BK20140487,BK20160472)Supported by Cooperation Funding of Yangzhou City-Yangzhou University (YZ2016254), the Jiangsu Natural Science Foundation of China (BK20140487, BK20160472) （BK20140487,BK20160472）
