Bio-inspired self-sharpening cutting tool surface for finish hard turning of steel

被引：31

作者：

Jiang, Wenping ^{[1
]}

机构：

[1] NanoMech Inc, TuffTek Div, Springdale, AR 72764 USA

来源：

CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2014年 / 63卷 / 01期

关键词：

Coating; Machining; Serrated; URCHIN; TEETH;

D O I：

10.1016/j.cirp.2014.03.047

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This research presents the structural analysis and machining results of a 3-D nanostructured coating designed for finish turning of ferrous alloys. The coating design, inspired from sea urchin and shark teeth architectures, delivers serrated cutting edges and self-sharpening. The coating is realized using cubic boron nitride particles (<2 mu m in size) in soft titanium nitride matrix to produce superior tool life and consistent surface finish (<1.6 mu m), on-par or better than polished PCBN inserts, during finish hard-turning of 4340 alloy steel. This research also discusses mechanism based on coating materials and morphology for reducing surface contact and sliding friction at the tool-workpiece interface. (C) 2014 CIRP.

引用

页码：517 / 520

页数：4

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