Improving wear resistance of cBN-based cutting tools using TiN coating on cBN powder surface

被引：2

作者：

Lee, Youn-Seong ^{[1
,2
]}

Kang, Tae-Wook ^{[1
]}

Kim, Sun-Woog ^{[1
]}

Lee, Young-Jin ^{[1
]}

Shin, Dong-Wook ^{[2
]}

Kim, Jin-Ho ^{[1
]}

机构：

[1] Korea Inst Ceram Engn & Technol, Opt & Elect Component Mat Ctr, Elect Convergence Mat Div, Jinju 52851, South Korea

[2] Hanyang Univ, Div Mat Sci & Engn, Seoul 04763, South Korea

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2021年 / 631卷

关键词：

Cubic boron nitride; Liquid phase deposition; Cutting tools; CUBIC BORON-NITRIDE; SELF-ASSEMBLY METHOD; FABRICATION; DIAMOND; ALUMINA; FILMS;

D O I：

10.1016/j.colsurfa.2021.127758

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

TiN-coated cBN was successfully synthesized using the liquid phase deposition method with TiF4 as the Ti source. The crystal phase of the TiOx coating layer was transformed into Ti4O7 and TiN via sintering under a reduction atmosphere in a vacuum furnace. It was then completely converted to the TiN phase at a sintering temperature of 1200 degrees C. The coating layers exhibited a uniform thickness of approximately 20-40 nm, regardless of the sintering temperature. PcBN cutting tools prepared using the cBN@TiN powders showed excellent wear resistance under heavy cutting conditions; delivering an average machining distance of 10,766 m and a flank wear width of 0.3 mm in 108 min. This wear resistance is approximately four times that of a cutting tool manufactured using cBN powder.

引用

页数：5

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