MICROSTRUCTURE AND WEAR-RESISTANCE OF LASER CLAD TIC PARTICLE-REINFORCED COATING

被引：37

作者：

LEI, TC

OUYANG, JH

PEI, YT

ZHOU, Y

机构：

[1] Department of Metals and Technology, Harbin Institute of Technology, Harbin

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 1995年 / 11卷 / 05期

关键词：

D O I：

10.1179/mst.1995.11.5.520

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A TiC-Ni alloy composite coating was clad to 1045 steel substrate using a 2kW CO2 laser. The microstructural constituents of the clad layer are found to be gamma-Ni and TiCp in the dendrites, and a fine eutectic of gamma-Ni plus (Fe, Cr)(23)C-6 in the interdendritic areas. Partial dissolution and aggregation of the original TiC particles during melting of the Ni alloy and their growth during resolidification on cooling are observed. The TiC particles offer significantly enhanced wear resistance, teh degree of wear depending primarily on the debonding removal of the particles.

引用

页码：520 / 525

页数：6

共 14 条

[1] LASER SURFACE CLADDING OF STELLITE AND STELLITE-SIC COMPOSITE DEPOSITS FOR ENHANCED HARDNESS AND WEAR [J].

ABBAS, G ;

WEST, DRF .

WEAR, 1991, 143 (02) :353-363

[2]

ABBAS G, 1989, HIGH POWER LASERS LA, V1132, P232

[3] A LASER PROCESSING TECHNIQUE FOR IMPROVING THE WEAR-RESISTANCE OF METALS [J].

AYERS, JD ;

SCHAEFER, RJ ;

ROBEY, WP .

JOURNAL OF METALS, 1981, 33 (08) :19-23

[4] HIGH-POWER LASER-BEAM CLADDING [J].

BRUCK, GJ .

JOURNAL OF METALS, 1987, 39 (02) :10-13

[5] LASER DEPOSITION OF CARBIDE-REINFORCED COATINGS [J].

CERRI, W ;

MARTINELLA, R ;

MOR, GP ;

BIANCHI, P ;

ANGELO, DD .

SURFACE & COATINGS TECHNOLOGY, 1991, 49 (1-3) :40-45

[6]

Cisse J., 1975, Metallurgical Transactions B (Process Metallurgy), V6B, P195, DOI 10.1007/BF02825695

[7] IMPROVING THE WEAR-RESISTANCE BY FORMING HARD METAL MATRIX CERAMIC COMPOSITE SURFACE-LAYERS [J].

COOPER, KP .

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1986, 4 (06) :2857-2861

[8] EXTENDED SOLID-SOLUTION AND NONEQUILIBRIUM PHASE-DIAGRAM FOR NI-AL ALLOY FORMED DURING LASER CLADDING [J].

KAR, A ;

MAZUMDER, J .

METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, 1989, 20 (03) :363-371

[9]

MATTHEWS SJ, 1983, APPL LASERS MAT PROC, P138

[10] LASER MELT INJECTION OF BN POWDERS ON TOOL STEELS .1. MICROHARDNESS AND STRUCTURE [J].

MOLIAN, P ;

RAJASEKHARA, H .

WEAR, 1987, 114 (01) :19-27

← 1 2 →