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4 闭式叶轮本体取样的缺陷检测
Fig.4 Pores determinations of shrouded impellers formed by 1# (a1-c1), 2# (a2-c2), and 3# (a3-c3) powders, respectively
(a1-a3) X-ray inspection (b1-b3) CT detection (c1-c3) SEM images