新型纳米复合强化9Cr-ODS钢的设计、组织与力学性能

芮祥, 李艳芬, 张家榕, 王旗涛, 严伟, 单以银

Microstructure and Mechanical Properties of a Novel Designed 9Cr-ODS Steel Synergically Strengthened by Nano Precipitates

RUI Xiang, LI Yanfen, ZHANG Jiarong, WANG Qitao, YAN Wei, SHAN Yiyin

图3 新型MX-ODS钢的EBSD图及晶粒取向和尺寸统计结果

Fig.3 EBSD images and grain statistics of the novel MX-ODS steel (Heat treatment: normalizing at 1100oC for 1 h and tempering at 750oC for 1 h; in Figs.3a and b, blue lines represent large angle grain boundary (≥ 15°), yellow lines represent small angle grain boundary (< 15°)) (a) inverse pole figure (b) band contrast (c, d) histograms of misorientation distribution (c) and grain size distribution (d)