EU and ESA through the IMPRESS Integrated Project-Intermetallic Materials Processing in Relation to Earth and Space Solidification(NMP3-CT-2004-500635);National Natural Science Foundation of China(51301005)
研究了感应凝壳炉熔炼的Ti Al Nb合金的陶瓷型壳重力浇铸。使用了扫描电镜(SEM),能谱仪(EDX)以及X射线光电子能谱(XPS)对铸造合金的显微组织及气孔缺陷进行分析。研究发现,氧化膜在气孔及缩孔中存在并且是这些缺陷的不均匀形核位置,而...