K4169合金循环加载过程中的微观组织演变
吴贇1, 刘雅辉1, 康茂东1,2(), 高海燕1,2, 王俊1,2, 孙宝德1,2
Microstructure Evolution of K4169 Alloy During Cyclic Loading
WU Yun1, LIU Yahui1, KANG Maodong1,2(), GAO Haiyan1,2, WANG Jun1,2, SUN Baode1,2

图3. K4169合金在标准热处理态下微观组织特征的SEM像和TEM像
(a, b) SEM images showing precipitates
(c) TEM image showing precipitates
(d) selective area electron diffraction (SAED) patterns of γ-Ni and δ-Ni3Nb (e, f) bright- and dark- field TEM images of γ"-Ni3Nb, respectively (Inset in Fig.3f shows the corresponding SAED pattern)

Fig.3. Microstructure characteristics of K4169 alloy in standard heat treatment state