高强管线钢焊接临界再热粗晶区中逆转奥氏体的逆相变晶体学

李学达, 李春雨, 曹宁, 林学强, 孙建波

Crystallography of Reverted Austenite in the Intercritically Reheated Coarse-Grained Heat-Affected Zone of High Strength Pipeline Steel

LI Xueda, LI Chunyu, CAO Ning, LIN Xueqiang, SUN Jianbo

图3 CGHAZ的EBSD表征图 (a) band contrast map (b) all-Euler map (c, d) {100} pole figures and theoretical variants of γp1 (c) and γp2 (d)

Fig.3 EBSD characterizations of the CGHAZ (Grain boundary definition: black line 3° < θ < 15°, green line 15° ≤ θ ≤45°, yellow line θ > 45°; Symbols of △, ▽, ◇, and ? in Figs.3c and d represent four different crystallographic packets, and the symbols were colored as red, green, and black to represent three different Bain groups; the same below)