Nucleation and Growth of Cr7C3 of Brazing Diamond with Ni-Cr Alloy in Protective Atmosphere Furnace

Jin Bin Lu; Pu Meng; Bin Zhao; Jian Jun Liu

doi:10.4028/www.scientific.net/AMR.463-464.505

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 463-464Nucleation and Growth of Cr7C3 of Brazing Diamond...

Nucleation and Growth of Cr₇C₃ of Brazing Diamond with Ni-Cr Alloy in Protective Atmosphere Furnace

Abstract:

Mono-crystal diamond was brazed with Ni-Cr alloy in protective atmosphere furnace, SEM and XRD were used to analyze the carbides on the surface of diamond and the phases of diamond after brazing, respectively. The results show that the diamond brazed in protective atmosphere furnace can realize high strength connection; the diamond has clear edges and complete morphology after brazing. On the surface of diamond, the arrangement of Cr₃C₂ is regular, the growth direction of Cr₃C₂ has a certain orientation relationship with the (111) crystal plane of diamond, all the Cr₇C₃ nucleates and grows on the surface of Cr₃C₂, finally, the inner layer is regular arrangement Cr₃C₂ and the external layer is Cr₇C₃.

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Periodical:

Advanced Materials Research (Volumes 463-464)

Pages:

505-509

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.463-464.505

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Online since:

February 2012

Authors:

Jin Bin Lu, Pu Meng, Bin Zhao, Jian Jun Liu

Keywords:

Carbide, Diamond, Nucleation, Protective Atmosphere Brazing

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