Wei, D.; Liang, H.; Li, S.; Li, F.; Ding, F.; Wang, S.; Liu, Z.; Zhang, P. Microstructure and Tribological Behavior of W-Mo Alloy Coating on Powder Metallurgy Gears Based on Double Glow Plasma Surface Alloying Technology. J Min & Metal B Metallurgy 2019, 55, 227.