700℃热暴露对 β 凝固 γ-TiAl合金表面组织及形貌的影响
刘仁慈, 王鹏, 曹如心, 倪明杰, 刘冬, 崔玉友, 杨锐

Influence of Thermal Exposure at 700oC on the Microstructure and Morphology in the Surface of β-Solidifying γ-TiAl Alloys
LIU Renci, WANG Peng, CAO Ruxin, NI Mingjie, LIU Dong, CUI Yuyou, YANG Rui
图3 热暴露不同时间样品表面的二次电子像
Fig.3 Secondary electron images of sample surfaces after thermal exposed at 700oC for 0.5 h (a), 10 h (b), 200 h (c), and 500 h (d)