The surface of designed Ti-alloy castings before corrosion were more coarse than that of Ti6Al4V(forged)in scanning electric microscope(SEM).

• 从腐蚀前的合金铸锭及Ti6Al4V(锻态)的扫描电镜照片看,所设计的3种合金铸锭表面均较锻态Ti6Al4V粗糙。