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Advances in brazing

V.F. Khorunov
Advances in brazing by V.F. Khorunov PDF

Author : V.F. Khorunov
Publisher : Elsevier Inc. Chapters
Page : 41 pages
File Size : 13,7 MB
Release : 2013-03-04
Category : Technology & Engineering
ISBN : 0128088753

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This chapter investigates the problem of brazing heat-resistant materials – high nickel-base and γ-TiAl-base intermetallic alloys. Diffusion brazing with filler metals of the Ni–Cr–B and Ni–Cr–B–Si systems is inefficient for nickel alloys, while composite filler metals based on these systems yield satisfactory results. When used as an alternative to boron- and silicon-containing filler metals, alloys of the Ni–Cr–Zr systems do not form hard and brittle phases at the interface in the joints. Filler metals based on the Ti–Zr system are best suited for joining γ-TiAl-base intermetallic alloys. Ti–Zr–Fe and Ti–Zr–Mn alloys, which show promise as brazing filler metals are selected, and structures and mechanical properties of the brazed joints are presented.