高 <strong><i>γ'</i></strong> 相含量粉末及变形高温合金组织和力学性能的异同性

高 γ' 相含量粉末及变形高温合金组织和力学性能的异同性

王洪瑛, 姚志浩, 李大禹, 郭婧, 姚凯俊, 董建新

Similarities and Differences of Microstructure and Mechanical Properties Between High γ' Content Powder and Wrought Superalloys

WANG Hongying, YAO Zhihao, LI Dayu, GUO Jing, YAO Kaijun, DONG Jianxin

图4 FGH4720Li和GH4720Li合金中γ $_{I I}^{'}$ 相的SEM像和尺寸分布图

Fig.4 SEM images (a1-f1) and particle size distributions (a2-f2) of γ $_{I I}^{'}$ phase in FGH4720Li and GH4720Li alloys (Inset in Fig.4f1 shows the SAED pattern of typical γ $_{I I}^{'}$ phase. $D_{a v e}^{I I}$ —average particle size of γ $_{I I}^{'}$ phase)
(a1, a2) FGH-1 (b1, b2) FGH-2 (c1, c2) FGH-3 (d1, d2) GH-1 (e1, e2) GH-2 (f1, f2) GH-3