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4 图8中超高铬高碳钢固溶处理试样微区成分分析 (mass fraction / %)

Table 4 Microzonal composition analyses of ultra-high chromium and high carbon steel after solution treatment in Fig.8 (mass fraction / %)

Steel Point Fe Cr C Ni Mo Mn Cu Si N 0.46%Si 1# 58.856 26.540 0.158 10.632 1.266 0.748 1.264 0.279 0.258 2# 58.858 33.639 - 5.498 1.887 0.581 1.063 0.620 0.045 3# 18.500 69.414 5.447 1.965 4.030 0.485 0.082 0.001 0.076 1.36%Si 1* 56.544 28.002 - 9.449 1.362 0.517 1.601 1.355 0.126 2* 55.649 32.219 - 6.877 2.047 0.321 1.102 1.786 0.000 3* 18.540 69.713 5.582 1.707 4.089 0.148 0.197 0.024 0.000