粉末粒度对钛合金闭式叶轮成形的影响

尚学文, 崔潇潇, 徐磊, 卢正冠

Effect of Powder Particle Size on Forming Titanium Alloy Shrouded Impeller

SHANG Xuewen, CUI Xiaoxiao, XU Lei, LU Zhengguan

图8 Ti-5Al-2.5Sn ELI合金低温变形组织(77 K)的孪晶TEM明场像及电子衍射花样

Fig.8 Bright-field TEM image of Ti-5Al-2.5Sn ELI alloy (a) and electron diffraction pattern (b) at 77 K