A high‐angle tilt boundary of LiF with attached pores was made to migrate under the influence of temperature and an imposed boundary curvature. The boundary was fractured along the boundary plane to observe its leading and trailing faces by stereo scanning electron microscopy. A detailed analysis of the attached pore shape and pore drag mechanism has been made. The quasi‐equilibrium pore shape developed by pores detached from the boundary was used to determine the orientation dependence of surface energy in LiF.
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WANG et al. (1986) studied this question.
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