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5 叶轮本体取样的低温(77 K)力学性能
Fig.5 Tensile properties of impellers at 77 K (RA—reduction of area)
(a) different positions of the same impeller (2#) (b) comprehensive comparison of different impellers