Evaluation of niobium carbide coatings produced on AISI L2 steel via thermo-reactive diffusion technique
Thermo-reactive diffusion (TRD) is a high-temperature process for producing hard metal
carbide coatings on carbon-containing substrates. In this study, niobium carbide (NbC)
coatings were produced on low-alloy special-purpose tool steel (AISI L2) via a thermo-
reactive powder-pack treatment. The treatment was done in a sealed box with a powder
mixture consisted of ferroniobium, ammonium chloride and alumina powders at different
times and temperatures. The ratio of the powders was optimized based on the thickness of …
carbide coatings on carbon-containing substrates. In this study, niobium carbide (NbC)
coatings were produced on low-alloy special-purpose tool steel (AISI L2) via a thermo-
reactive powder-pack treatment. The treatment was done in a sealed box with a powder
mixture consisted of ferroniobium, ammonium chloride and alumina powders at different
times and temperatures. The ratio of the powders was optimized based on the thickness of …
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