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WANG Gang, ZHANG Binggang, FENG Jicai, HE Jingshan, MA Yibin. Wettability and interfacial reaction product of electron beam brazing of Ni-base superalloys K465[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (2): 49-52,56.
Citation: WANG Gang, ZHANG Binggang, FENG Jicai, HE Jingshan, MA Yibin. Wettability and interfacial reaction product of electron beam brazing of Ni-base superalloys K465[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (2): 49-52,56.

Wettability and interfacial reaction product of electron beam brazing of Ni-base superalloys K465

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  • Received Date: August 08, 2007
  • The vacuum electron beam brazing (VEBB)of Nibase superalloys with Впр27 and BNi-2 filler metals was studied.In process of VEBB, effects of primary brazing parameters on wettability and selection of filler metals were investigated, then it points out that electron beam current is the most significant factors.Moreover, microstructure of brazed joint with Bпp27 filler metal was studied by means of scanning electron microscope, energy disperse spectrum and X ray diffraction.The investigation shows that the structure of brazing seam consists of a large amount of γsolid solution, a large amount of Ni3B and CrB rich in W, and a small quantity of NbC.
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