Si对9Cr型铁素体/马氏体钢析出相和力学性能的影响

李峰, 汪建强, 陈慧琴, 孙明月, 徐斌, 刘朝晖

Effect of Si on Precipitation Behavior of Precipitated Phases and Mechanical Property of 9Cr-type Ferritic/Martensitic Steel

LI Feng, WANG Jianqiang, CHEN Huiqin, SUN Mingyue, XU Bin, LIU Zhaohui

表1 不同Si含量F/M钢的实测化学成分

Table 1 Chemical composition of F/M steel with different Si content (atomic fraction, %)

Alloy Si C V Cr Mn W Ta Fe 0.9Si 0.91 0.16 0.20 8.56 0.59 1.48 0.14 Bal. 1.2Si 1.22 0.17 0.20 8.56 0.58 1.50 0.14 Bal. 1.5Si 1.52 0.21 0.19 8.57 0.59 1.48 0.15 Bal. 1.8Si 1.81 0.23 0.20 8.50 0.60 1.46 0.15 Bal.