稀土加入量对20#齿轮用钢渗碳层组织及耐磨性能的影响
희토가입량대20#치륜용강삼탄층조직급내마성능적영향
Effects of the Rare-earth Addition on the Carburizing Layer Structure and Wear-resisting Property of 20# Steel Used as the Gear
저자의 최근 논문