Abstract
A method and powder wires are developed for multilayer plasma surfacing with heat-resistant highhardness steels such as R2M9Yu steel additionally alloyed by nitrided ferrochrome and titanium. The surfacing method with low temperature heating and surfacing materials prevent the formation of cracks during the surfacing process and ensure the hardness of the deposited metal up to 59...60 HRC without additional heat treatment. It is established that the main phases in the deposited metal are a solid solution of α-iron, carbides and carbonitrides based on iron, tungsten, chromium, molybdenum, aluminum and titanium.
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