Effect of Nitrocarburizing and Tempering on Microstructure and Wear Performance of SKH51 High-Speed Tool Steel. - Jornsanoh, Pijarn; Chankitmunkung, Suwaree; Taweejun, Nipon; Praditja, Tanabodee; Diewwanit, Onnjira (Journal of Materials Engineering & Performance, 2026)