Laves相对 GH3625合金管材热挤压过程中爆裂行为的影响

陈建军, 丁雨田, 王琨, 闫康, 马元俊, 王兴茂, 周胜名

Effects of Laves Phase on Burst Behavior of GH3625 Superalloy Pipe During Hot Extrusion

CHEN Jianjun, DING Yutian, WANG Kun, YAN Kang, MA Yuanjun, WANG Xingmao, ZHOU Shengming

图3 GH3625合金热挤压成形管材及爆裂管的EBSD像和OM像

Fig.3 Cross section (a) and longitudinal section (b) EBSD images of successfully hot extruded pipe of GH3625 superalloy (The black, grey, and red lines in Figs.3a and b represent high angle grain boundaries, low angle grain boundaries, and twin boundaries, respectively), and OM images of burst pipe at outer wall (c), near the central fracture (d), and at inner wall (e)