WC/TiC层状陶瓷刀具与316L不锈钢间的干摩擦磨损性能研究

doi:10.16731/j.cnki.1671-3133.2017.09.003

现代制造工程 ›› 2017, Vol. 444 ›› Issue (9): 13-16.doi: 10.16731/j.cnki.1671-3133.2017.09.003

WC/TiC层状陶瓷刀具与316L不锈钢间的干摩擦磨损性能研究

张诚, 宋金鹏, 梁国星

太原理工大学机械工程学院及精密加工山西省重点实验室,太原 030024

收稿日期:2016-08-26 出版日期:2017-09-20 发布日期:2018-01-09
作者简介:张诚,硕士研究生,研究方向为层状陶瓷刀具。E-mail:1148618960@qq.com
基金资助:
国家自然科学基金资助项目(51405326,51575375);山西省高等学校科技创新项目(2014122)

Dry-sliding tribological properties of laminated WC/TiC ceramic cutting tool material sliding against 316L austenitic stainless steel

Zhang Cheng, Song Jinpeng, Liang Guoxing

College of Mechanical Engineering and Key Laboratory of Precision Manufacturing,Taiyuan University of Technology,Taiyuan 030024,China

Received:2016-08-26 Online:2017-09-20 Published:2018-01-09

摘要/Abstract

摘要： 研究了在1 750℃下真空热压烧结而成的WC/TiC层状陶瓷刀具材料在干摩擦条件下与316L奥氏体不锈钢之间的摩擦磨损性能,并对磨损面进行了分析。结果表明:载荷和滑动速度对摩擦因数和磨损量的影响较大,随着载荷的不断增大,WC/TiC层状陶瓷刀具材料的摩擦因数和磨损量呈增大趋势;而随着滑动速度的增大,WC/TiC层状陶瓷刀具材料的摩擦因数先降后增,磨损量先增后降;在WC/TiC层状陶瓷刀具材料与316L奥氏体不锈钢的对磨过程中,材料的表面发生了犁削、颗粒及片层剥落现象,在磨损表面留有犁沟、凹坑、微裂纹和片层结构,其磨损机理为磨粒磨损和粘着磨损。

关键词: 层状陶瓷, 摩擦磨损性能, 磨损机理

Abstract: Laminated WC/TiC ceramic cutting tool material was fabricated by hot-pressing technique at 1 750℃.The tribological behavior of the WC/TiC ceramic cutting tool material sliding against 316L austenitic stainless steel ball under dry sliding condition and the morphologies of worn surfaces were investigated.The results showed that the applied loads and sliding speeds had a great influence on the friction coefficient and wear volume loss of the laminated WC/TiC ceramic cutting tool material.The friction coefficient and wear volume loss of the ceramic cutting tool material increased with an increase of the applied load.With an increase of the sliding speed,the friction coefficient of the ceramic cutting tool material firstly decreased and then increased,but the wear volume loss of the ceramic cutting tool material firstly increased and then decreased.During the process of the ceramic cutting tool material sliding against 316L austenitic stainless steel,the phenomenon of ploughing,spalling of particle and delamination occurred on the surface of the material.The fine grooves,pits,cracks and flakiness of debris were found on the worn surfaces,which indicated that the wear mechanism of the tested specimens was abrasive wear and adhesive wear.

Key words: laminated ceramic, tribological behavior, wear mechanism

中图分类号:

TB332

张诚, 宋金鹏, 梁国星. WC/TiC层状陶瓷刀具与316L不锈钢间的干摩擦磨损性能研究[J]. 现代制造工程, 2017, 444(9): 13-16.

Zhang Cheng, Song Jinpeng, Liang Guoxing. Dry-sliding tribological properties of laminated WC/TiC ceramic cutting tool material sliding against 316L austenitic stainless steel[J]. Modern Manufacturing Engineering, 2017, 444(9): 13-16.

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WC/TiC层状陶瓷刀具与316L不锈钢间的干摩擦磨损性能研究

Dry-sliding tribological properties of laminated WC/TiC ceramic cutting tool material sliding against 316L austenitic stainless steel

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