Friction behavior in nanoscratching of reaction bonded silicon carbide ceramic with Berkovich and sphere indenters

被引：64

作者：

Zhang, Feihu ^{[1
]}

Meng, Binbin ^{[1
]}

Geng, Yanquan ^{[2
]}

Zhang, Yong ^{[1
]}

Li, Zhipeng ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China

[2] Harbin Inst Technol, Ctr Precis Engn, Harbin 150001, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 97卷

基金：

中国国家自然科学基金;

关键词：

RBSC ceramic; Nanoscratching; Friction coefficient; MATERIAL-REMOVAL MECHANISMS; DAMAGE FORMATION; SIC CERAMICS; WEAR; TRANSITION; ALUMINA;

D O I：

10.1016/j.triboint.2016.01.013

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The present work investigates the friction behavior of reaction-bonded silicon carbide (RBSC) ceramic in nanoscratching process with both Berkovich and sphere indenters. A theoretical model for the contact between the indenter and the substrate is established to systematically analyze the friction behavior of RBSC ceramic. The geometrical shapes of the indenters and the special distinctive structural characteristics of the substrate material are discussed with this model. Nanoscratching experiments are also carried out with both two indenters. Results show that the ploughing friction coefficient plays a significant role in the plastic processing stage of RBSC using the Berkovich indenter. Moreover, the fluctuation of the cutting force and friction coefficient is analyzed to be caused by the specific microstructure of the material. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：21 / 30

页数：10

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