Determination of omega phase morphology in Ti-35% Nb by transmission electron microscopy
作者： W. G. Brammer , C. G. Rhodes
DOI: 10.1080/14786436708220858
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摘要: Abstract Considerable x-ray diffraction analysis of omega phase in titanium alloys has been reported; however, little direct observation its occurrence via electron microscopy published. In this work we have demonstrated by means transmission that the titanium-35% niobium precipitates as ellipsoids. By dark-field and selected area microscopy, stereographic projections could be constructed which indicate major axes ellipsoids (the [0001] crystallographic direction) are parallel to [111] directions matrix.
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