Chemical vapor deposition of diamond coatings on tungsten carbide (WC-Co) riveting inserts

被引：27

作者：

Chandran, Maneesh ^{[1
,2
]}

Kumaran, C. R. ^{[1
,2
]}

Gowthama, S. ^{[3
,4
]}

Shanmugam, P. ^{[4
]}

Natarajan, R. ^{[4
]}

Bhattacharya, S. S. ^{[1
,3
]}

Rao, M. S. Ramachandra ^{[1
,2
]}

机构：

[1] Indian Inst Technol, Nano Funct Mat Technol Ctr, Madras 600036, Tamil Nadu, India

[2] Indian Inst Technol, Dept Phys, Madras 600036, Tamil Nadu, India

[3] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

[4] Tube Investment India Ltd, Corp Technol Ctr, Madras, Tamil Nadu, India

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2013年 / 37卷

关键词：

Diamond coatings; WC-Co riveting inserts; HFCVD; SEM; CEMENTED CARBIDE; CVD DIAMOND; CUTTING PERFORMANCE; FILMS; ADHESION;

D O I：

10.1016/j.ijrmhm.2012.11.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report a new industrial application of diamond coatings, by depositing diamond thin films on tungsten carbide (WC-Co) riveting inserts to achieve improved wear resistance and tribological behavior. The riveting inserts are widely used by chain manufacturing industries to guide the pin through its groove. Diamond coatings were deposited on the WC-Co riveting inserts by using hot filament chemical vapor deposition technique. Deposited films were characterized by using X-ray diffraction, a scanning electron microscope (SEM), Raman spectroscopy and a nanoindenter. The SEM micrograph of the deposited films revealed different surface morphologies and crystallite sizes in the groove and in the flat region of the riveting insert. The results concerning the different morphologies and crystallite sizes on the substrate surface are discussed. The coated riveting inserts showed an enhanced performance in the preliminary applied test. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：117 / 120

页数：4

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