Structure of Ni-rich Ni–Cr–B–Si coating alloys

Abstract
The structures of quaternary, nickel‐rich Ni–Cr–B–Si alloys were analyzed at a constant boron content of 10 at.% and a temperature of 850 °C. The composition range for silicide formation was determined. In these quaternary alloys, known binary nickel silicides, nickel and chromium borides, and the ternary silico‐boride Ni6Si2B were confirmed. A new composition for the W5Si3‐type phase in the Ni–B–Si system was proposed.

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