A method of case hardening steel by the surface absorption of nitrogen by heating with ammonia.(noun)
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Use "nitriding" in a sentence
"Heat treatments and plasma nitriding methods use heat to diffuse elements into the top surface of a substrate metal to form an alloy or layer with desired properties."
"The rails used to slide the body and modules together are made of stainless steel that has gone through a soft-nitriding process to make them less prone to scuffing and more resistant to corrosion."
"Surface gas nitriding: mechanical properties, morphology, corrosion"