The microstructure of Ti-24Al-14NB-3V intermetallic alloy with solution treated was investigated by trans mission electron microscopy (TEM) and selected area electron diffraction (SAD) in conjunction with X-ray energy...The microstructure of Ti-24Al-14NB-3V intermetallic alloy with solution treated was investigated by trans mission electron microscopy (TEM) and selected area electron diffraction (SAD) in conjunction with X-ray energydispersive spectroscopy (EDS) techniques. It shown that =50% ductile βo-phase and small amount of O phase,and α2 with the number of dislocations having c-component resulted in increasing slip system of the material, havecontributed to a good combination of strength and ductility at room temperature. Owing to some reciprocal planes ofsimilarity between α2 and O Phases, to distinguish both of two phases, a series of diffraction patterns obtained bytilting around one reciprocal direction of the phase are needed based on the systematic extinction and reciprocalplanes sequences occurred in the diffraction patterns, if those patterns are not containing one of three reciprocal unitvectors, a*, b*, c* in terms of the crystal unit cell, a, b, c.展开更多
文摘The microstructure of Ti-24Al-14NB-3V intermetallic alloy with solution treated was investigated by trans mission electron microscopy (TEM) and selected area electron diffraction (SAD) in conjunction with X-ray energydispersive spectroscopy (EDS) techniques. It shown that =50% ductile βo-phase and small amount of O phase,and α2 with the number of dislocations having c-component resulted in increasing slip system of the material, havecontributed to a good combination of strength and ductility at room temperature. Owing to some reciprocal planes ofsimilarity between α2 and O Phases, to distinguish both of two phases, a series of diffraction patterns obtained bytilting around one reciprocal direction of the phase are needed based on the systematic extinction and reciprocalplanes sequences occurred in the diffraction patterns, if those patterns are not containing one of three reciprocal unitvectors, a*, b*, c* in terms of the crystal unit cell, a, b, c.
