Brazing of selected heat-resisting alloys using Ni-Pd filler metal
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Abstract
Pd is a component of some advanced nickel filler metals designed for brazing heat-resisting alloys in order to improve their wettability and to enhance both corrosion resistance and plasticity
of the joints. The joints of Inconel 625, Inconel 718, Hastelloy X, and 410 martensitic stainless steel were prepared by vacuum brazing with NiPd36Cr10BSi filler alloy. Complex structures of the joints were tested. It was revealed the displacement of interfaces from their initial positions in the course of brazing along with active action of Cr, Mo and Nb (for Inconel 718 alloy) in the formation of interstitial layers.
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