Erosion wear of CrN, TiN, CrAlN, and TiAlN PVD nitride coatings

被引：167

作者：

Deng Jianxin ^{[1
]}

Wu Fengfang ^{[1
]}

Lian Yunsong ^{[1
]}

Xing Youqiang ^{[1
]}

Li Shipeng ^{[1
]}

机构：

[1] Shandong Univ, Dept Mech Engn, Jinan 250061, Shandong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2012年 / 35卷

基金：

中国国家自然科学基金;

关键词：

Nitride coatings; PVD; Erosion wear; Wear mechanisms; PLASTIC INDENTATION DAMAGE; MACHINING PERFORMANCE; COATED CARBIDE; HARD COATINGS; BEHAVIOR; MECHANISMS; DEPOSITION; RESISTANCE; CERAMICS; TOOLS;

D O I：

10.1016/j.ijrmhm.2012.03.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Four nitride coatings (CrN, ZrN, CrAlN, and TiAlN) were deposited on YT15 cemented carbide by cathode arcevaporation technique. Microstructural and fundamental properties of these nitride coatings were examined. Erosion wear tests were carried out, the erosion wear of these nitride coatings caused by abrasive particle impact was compared by determining the wear depth and the erosion rates of the coatings. The wear surface features were examined by scanning electron microscopy. Results showed that the coatings with Al (CrAlN and TiAlN) exhibited higher erosion wear resistance over those without Al (CrN and TiN). The H-3/E-2 of the coating seemed to play an important role with respect to its erosion wear in erosion tests. AlTiN and CrAlN coatings being with high H-3/E-2 exhibited lower erosion rates, while CrN coating with low H-3/E-2 showed higher erosion rates under the same test conditions. Analysis of eroded surface of the coatings demonstrated that the TiN and CrN coatings exhibited a typical brittle fracture induced removal process, while AlTiN and CrAlN coatings showed mainly micro cutting and cycle fatigue fracture of material removal mode. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：10 / 16

页数：7

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