Si对铸造超高铬高碳双相钢组织及性能的影响

王桂芹,王琴,车宏龙,李亚军,雷明凯

Effects of Silicon on the Microstructure and Propertiesof Cast Duplex Stainless Steel with Ultra-HighChromium and High Carbon

Guiqin WANG,Qin WANG,Honglong CHE,Yajun LI,Mingkai LEI

表5 超高铬高碳钢力学性能

Table 5 Mechanical properties of ultra-high chromium and high carbon steel

Steel As-cast Solution treatment HRC HRC σb / MPa KIC / (MPa·m1/2) 0.46%Si 52.2 41.5 793 28.321 1.36%Si 56.5 42.1 835 32.678