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Published in: Journal of Materials Engineering and Performance 2/2010

01-03-2010

Analysis of Microstructure and Properties of Cemented Carbide and Invar Alloy Weldment

Authors: P. Q. Xu, X. J. Zhao

Published in: Journal of Materials Engineering and Performance | Issue 2/2010

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Abstract

Multi-phase composite microstructure was designed in a Ni42C0.6Mn3.5Nb3Fe50.9 invar alloy which was welded to WC-Co cemented carbide. The multi-component composition (Ni42C0.6Mn3.5Nb3Fe50.9) was chosen such that on welding of the cemented carbide to invar alloy the nonequilibrium interface reactions were suppressed. The microstructures of Ni42C0.6Mn3.5Nb3Fe50.9 invar alloy and the dissimilar materials (WC-Co and Ni42C0.6Mn3.5Nb3Fe50.9) welded joint were characterized with SEM and EDS analysis, and phase was done using x-rays diffractometer. The hardness profile is determined using micro-hardness measurements. Sound metallurgical bond and smooth hardness transition from 420HV0.2 to 870HV0.2 near interface were obtained without groove and filler materials.

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Metadata
Title
Analysis of Microstructure and Properties of Cemented Carbide and Invar Alloy Weldment
Authors
P. Q. Xu
X. J. Zhao
Publication date
01-03-2010
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 2/2010
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-009-9491-x

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