Elevated-temperature tribological behavior of Ti–B–C–N coatings deposited by reactive magnetron sputtering  

作　　者：Xiang-Yang Chen Shao-Fu Huang Sheng-Li Ma Run Huang Jin Zhang Hai-Xia Hu 

机构地区：[1]School of Mechanical Engineering, Anhui University of Science and Technology [2]State Key Laboratory for Mechanical Behavior of Materials,Xi’an Jiaotong University [3]School of Materials Science and Engineering, Anhui University of Science and Technology

出　　处：《Rare Metals》2015年第12期838-843,共6页稀有金属（英文版）

基　　金：financially supported by the Natural Science Foundation of China(No.81501598);the International Science and Technology Cooperation Program of China(No.2008DFA51470);the State Key Laboratory for Mechanical Behavior of Materials;Xi’an Jiaotong University(No.20141604)

摘　　要：Quaternary Ti–B–C–N coatings with various carbon contents were deposited on high-speed steel (HSS) substrates by reactive magnetron sputtering (RMS) system. The elevated-temperature tribological behavior of Ti–B–C–N coatings was explored using pin-on-disk tribometer, scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). The present results show that the steady-state friction coefficient value and the instantaneous friction coefficient fluctuation range of Ti–B–C–N coatings decrease as carbon content increases at 100 and 300°C, while the steady-state friction coefficient value of all Ti–B–C–N coatings becomes higher than 0.4 at 500°C. As ambient temperature increases, the running-in periods of all Ti–B–C–N coatings become shorter. Wear damage to Ti–B–C–N coatings during sliding at elevated temperature is mainly caused by adhesive wear, and adhesive-wear damage to Ti–B–C–N coatings increases as ambient temperature increases; however, higher carbon content is beneficial for decreasing the adhesive-wear damage to Ti–B–C–N coatings during sliding at elevated temperature.Quaternary Ti–B–C–N coatings with various carbon contents were deposited on high-speed steel (HSS) substrates by reactive magnetron sputtering (RMS) system. The elevated-temperature tribological behavior of Ti–B–C–N coatings was explored using pin-on-disk tribometer, scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). The present results show that the steady-state friction coefficient value and the instantaneous friction coefficient fluctuation range of Ti–B–C–N coatings decrease as carbon content increases at 100 and 300°C, while the steady-state friction coefficient value of all Ti–B–C–N coatings becomes higher than 0.4 at 500°C. As ambient temperature increases, the running-in periods of all Ti–B–C–N coatings become shorter. Wear damage to Ti–B–C–N coatings during sliding at elevated temperature is mainly caused by adhesive wear, and adhesive-wear damage to Ti–B–C–N coatings increases as ambient temperature increases; however, higher carbon content is beneficial for decreasing the adhesive-wear damage to Ti–B–C–N coatings during sliding at elevated temperature.

关 键 词：Tribological behavior Ti–B–C–N coatings Reactive magnetron sputtering Elevated temperature 

分 类 号：TG174.4[金属学及工艺—金属表面处理]