3Cr23Ni8Mn3N作为大功率柴油机排气阀用钢的可行性研究
3Cr23Ni8Mn3N작위대공솔시유궤배기벌용강적가행성연구
The Feasibility Study of 3Cr23Ni8Mn3N Used for Hi gh Power Diesel Engine Exhaust Valve Material