Reliability of dual compounds “carbide composite+steel” produced by diffusion welding

This paper focuses on the reliability (strength and residual welding stresses) of the dual compound of TiC-based composite+steel and WC-based hardmetal+steel produced by diffusion bonding (welding). Vacuum brazing was used as a reference technology. The influence of some metallurgical factors on the...

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Bibliographic Details
Published in:International journal of refractory metals & hard materials 2010-09, Vol.28 (5), p.580-586
Main Authors: Klaasen, H., Kübarsepp, J., Laansoo, A., Viljus, M.
Format: Article
Language:English
Subjects:
Brazing
Carbide composite
Carbides
Cemented carbides
Cermet
Cermets
Diffusion bonding
Diffusion welding
Hard materials
Hardmetal
Refractory metals
Vacuum brazing
Welding
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Summary:This paper focuses on the reliability (strength and residual welding stresses) of the dual compound of TiC-based composite+steel and WC-based hardmetal+steel produced by diffusion bonding (welding). Vacuum brazing was used as a reference technology. The influence of some metallurgical factors on the properties and structure of joints was investigated by SEM and EPMA. It was found that the TiC-based cermet and diffusion welding used instead of a WC-based hardmetal and vacuum brazing in the production of the dual compound of carbide composite+steel results in remarkable improvements of joint reliability.
ISSN:0263-4368
2213-3917
DOI:10.1016/j.ijrmhm.2010.03.005