Nano-Scratching resistance of high-chromium white cast iron and its correlation with wear of cBN tool in machining

被引：5

作者：

Chen, L. ^{[1
]}

Persson, J. ^{[2
]}

Stahl, J. E. ^{[2
]}

Zhou, J. M. ^{[2
]}

机构：

[1] Sichuan Univ, Sch Mfg Sci & Engn, Chengdu 610065, Sichuan, Peoples R China

[2] Lund Univ, Div Prod & Mat Engn, Box 118, Lund, Sweden

来源：

JOURNAL OF SUPERHARD MATERIALS | 2017年 / 39卷 / 05期

关键词：

scratch test; high-chromium cast iron; fracture; wear mechanism; cBN; MICROSTRUCTURE;

D O I：

10.3103/S1063457617050094

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a nano-scratch testing approach was used to measure and evaluate the abrasion wear resistance of high-chromium white cast irons in order to understand the wear mechanism in the interaction between the high-chromium white cast iron and the cBN cutting tool during the machining process. Scratch testing was performed on a nanoindentation instrument using a diamond indenter as the scratch tool. Linear multi-pass scratches in the same path were made on pre-worn surfaces of test materials. The correlation of the scratching resistance and tool wear measured from the machining is presented by the flank wear and maximum scratch depth. The appearance of the cutting edge on a cBN tool suggests that the abrasion wear is mainly related with a combined effect of the carbides and the matrix during machining the high-chromium white cast iron.

引用

页码：365 / 372

页数：8

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