At the same time, micro texture such as superfine crytocrystal martensite and particulate carbide at the crack cusp significantly enhanced its hardness, obdurability and wearability.

• 同时在裂纹尖端处得到了超细化的隐晶马氏体和细粒碳化物等微观组织,极大提高了裂纹尖端处的硬度、韧性和耐磨性。