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Abstract：
CoNiCrAlY superalloy coatings with different tantalum contents were prepared by laser cladding method. The morphology of laser cladding layer was observed by SEM, the composition was analyzed by EDS, and the phase composition was analyzed by XRD. The results show that the morphology of laser cladding layer varies as follow the tantalum contents. The main structure of laser cladding layers is α-Cr, 7~Co solid solution, β-CoAl, Co-Ta compound. Tantalum can help the formation of Co3Ta and β-CoAl.
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Heat Treatment of Metals
ISSN： 0254-6051
Year： 2006
Issue： 7
Volume： 31
Page： 37-39
JCR Journal Grade：4
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 9
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