Influence of high-ammonia-potential gas nitriding on the microstructure, mechanical properties, corrosion resistance, and wear behavior of AISI 4340 and AISI 1040 medium-carbon steels
This study investigates the effects of high-nitrogen-potential gas nitriding on nitride-layer formation, microstructure, hardness, corrosion resistance, and wear performance of unalloyed AISI 1040 (0.39 wt.% C) and alloyed AISI 4340 (0.35 wt.% C) steels. Gas nitriding was performed at 520 °C for 8 h using an atmosphe...