High temperature wear characteristics of TiC composite coatings formed by laser cladding with CNT additives

被引：50

作者：

Li, Q. H. ^{[1
]}

Savalani, M. M. ^{[1
]}

Zhang, Q. M. ^{[2
]}

Huo, L. ^{[2
]}

机构：

[1] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Hong Kong, Hong Kong, Peoples R China

[2] S China Normal Univ, Lab Laser Proc Technol, Guangzhou, Guangdong, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2014年 / 239卷

关键词：

High temperature wear; Ti; TiC; Laser cladding; Coatings; TRIBOLOGICAL PROPERTIES; TITANIUM; RESISTANCE; NANOTUBES; OXIDATION;

D O I：

10.1016/j.surfcoat.2013.11.043

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

High temperature wear properties of titanium carbide (TiC) composite coatings fabricated by laser cladding with titanium powder and varied percentages of carbon nano-tube (CNT) powders on titanium substrates have been tested by pin-on-disk wear under dry sliding conditions. The results reveal that TiC composite coatings fabricated with proper addition of CNT give promising high temperature wear resistance which is ten times higher than that of the titanium substrate. The high temperature wear behavior and friction coefficient of the titanium substrate and the composite coatings were investigated. It was found that the wear behavior of the dominant wear mechanism of the TiC composite coatings is adhesive wear and oxidation, whereas the Ti substrate exhibits abrasive wear, adhesive wear, serious plastic deformation, and oxidation at high temperature. The improvement of the wear resistance is believed to be attributed to the reinforcement phase of TiC which can also provide high hardness according to the microstructure observation of the composite coatings by SEM, EDX and microhardness measurements. (C) 2013 Published by Elsevier B.V.

引用

页码：206 / 211

页数：6

共 23 条

[1]

Bhushan B., 2001, MODERN TRIBOLOGY HDB, P205

[2] Sliding wear resistance of TiCp reinforced titanium composite coating produced by laser cladding [J].

Candel, J. J. ;

Amigo, V. ;

Ramos, J. A. ;

Busquets, D. .

SURFACE & COATINGS TECHNOLOGY, 2010, 204 (20) :3161-3166

[3] Surface treatment of titanium by laser irradiation to improve resistance to dry-sliding friction [J].

Courant, B ;

Hantzpergue, JJ ;

Benayoun, S .

WEAR, 1999, 236 (1-2) :39-46

[4] Characterization of nanocarbons (nanotubes and nanofibers) by Inverse Gas Chromatography [J].

Diaz, E. ;

Ordonez, S. ;

Vega, A. .

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY, 2007, 61 :904-908

[5] Elevated temperature evaluation of fretting and metal transfer between coated titanium components [J].

Freimanis, AJ ;

Segall, AE ;

Conway, JC ;

Whitney, EJ .

TRIBOLOGY TRANSACTIONS, 2000, 43 (04) :653-658

[6] Effect of the Type of Carbon Nanotubes on Tribological Properties of Polyamide 6 [J].

Giraldo, Luis F. ;

Lopez, Betty L. ;

Brostow, Witold .

POLYMER ENGINEERING AND SCIENCE, 2009, 49 (05) :896-902

[7] Improvement of the Oxidation and Wear Resistance of Pure Ti by Laser-Cladding Ti3Al Coating at Elevated Temperature [J].

Guo, Chun ;

Zhou, Jiansong ;

Zhao, Jierong ;

Wang, Lingqian ;

Yu, Youjun ;

Chen, Jianmin ;

Zhou, Huidi .

TRIBOLOGY LETTERS, 2011, 42 (02) :151-159

[8] Improvement of the oxidation and wear resistance of pure Ti by laser cladding at elevated temperature [J].

Guo, Chun ;

Zhou, Jiansong ;

Chen, Jianmin ;

Zhao, Jierong ;

Yu, Youjun ;

Zhou, Huidi .

SURFACE & COATINGS TECHNOLOGY, 2010, 205 (07) :2142-2151

[9] Effect of pulsed laser parameters on in-situ TiC synthesis in laser surface treatment [J].

Hamedi, M. J. ;

Torkamany, M. J. ;

Sabbaghzadeh, J. .

OPTICS AND LASERS IN ENGINEERING, 2011, 49 (04) :557-563

[10] THE CALCULATION OF WEAR COEFFICIENTS FOR PLASTIC CONTACTS [J].

LACEY, P ;

TORRANCE, AA .

WEAR, 1991, 145 (02) :367-383

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