Vacuum Brazing Porous W and Mo Using Ti-Ni-Nb Braze Alloys

C.C. Lin; Chun Chen; R.K. Shiue; H.J. Shy; C.Steve  Chang

doi:10.4028/www.scientific.net/AMR.410.187

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 410Vacuum Brazing Porous W and Mo Using Ti-Ni-Nb...

Vacuum Brazing Porous W and Mo Using Ti-Ni-Nb Braze Alloys

Abstract:

A novel approach of brazing porous W and Mo using three clad Ti-Ni-Nb foils has been performed in the experiment. Clad Ti-Ni-Nb filler foils are featured with low brazing temperature of below 1350°C. Both W and Mo are completely soluble with β-Ti and Nb, and the Ni addition into the braze alloy is served as a melting point depressant (MPD). Decreased brazing temperature and/or time are necessary in order to minimize infiltration of the molten braze into the porous W substrate. According to the experimental results, Ti-Ni-Nb ternary alloys are promising filler metals in low-temperature brazing porous W and Mo.

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Periodical:

Advanced Materials Research (Volume 410)

Pages:

187-190

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.410.187

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Online since:

November 2011

Authors:

C.C. Lin, Chun Chen, R.K. Shiue, H.J. Shy, C.Steve Chang

Keywords:

Brazing, Microstructure, Mo, Porous W, Ti-Ni-Nb

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