金属材料的组织定制

李殿中, 王培

Tailoring Microstructures of Metals

LI Dianzhong, WANG Pei

图6 不同工艺制备的M50钢± 900 MPa拉压疲劳寿命Weibull分布曲线(S1为组织定制控制一次碳化物尺寸≤ 20 μm材料曲线，S2为常规生产工艺不控制一次碳化物材料曲线)

Fig.6 Weibull distribution curves of ± 900 MPa tension-compression fatigue life of M50 steel prepared by different processes (S1 and S2 curves are the fatigue life of M50 steel manufactured by microstructure tailoring technology and normal technology, respectively)