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The primary concept in the model is that an initially straight dislocation in a random field of solutes can lower its energy by seeking out regions in the solid containing favorable solute fluctuations.The dislocation accomplishes this by bowing out towards these favorable fluctuations.While the bowed-out segments lower their interaction energy with the solutes,the bowing-out process increases the line energy of the dislocation. Çó´óÉñÖ¸µã 1.ÕâÁ½¾ä»°ÖÐÌáµ½µÄfavorable solute fluctuationsÔõôÀí½âѽ 2.µÚ¶þ¾ä»°ÖÐµÄ bowing out¿ÉÒÔÀí½âΪ»·ÈÆ¡¢°üΧµÄÒâ˼Â𣿠|
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