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小兰花银虫 (著名写手)
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帮润色一段话（材料类），谢谢！
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静态回复过程使得晶粒内部的储存能发生变化，假设 点缺陷、位错的运动等使得晶粒内的储存能减少；晶界处的区域由于位错密度较大，储存能为晶粒内部的2倍；同时，较多位错在三叉晶界处形成位错缠结，使得该处的储存能为晶粒内部的2.5倍。 考虑到位错密度在晶界附近分布有一定的区域范围，使得晶界两侧附近周围的储存能都较晶粒内部中心区域的储存能高，由此得到变形的小晶粒内部储存能要比大晶粒内部的储存能要高，因为小晶粒内部的位错密度比大晶粒内部的密度要高。 翻译： Static recovery process makes the stored energy inside grains changed. We assume that point defects and dislocations in movement and so on, make the stored energy reducing inside grains; and Because of high dislocation density in grain boundary regions, their stored energy are 2 times than which within grains; meanwhile, due to the dislocation tangle in triple junctions. their stored energy are 2.5 times than which within grains. Considering the dislocation density distribution near the grain boundary has a certain width, the stored energy on both sides of the grain boundary is higher than which in the central of grains. So the stored energy within the small grains is higher than within large grains |
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xiaomuyu2010
木虫 (小有名气)
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小兰花(金币+6, 翻译EPI+1):润色得挺好，谢谢你的帮忙! 2010-09-26 16:29:53
小兰花(金币+6):多谢帮忙！ 2010-10-06 16:52:16
小兰花(金币+6):多谢帮忙！ 2010-10-06 16:52:16
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Static recovery process creates a change in the stored energy inside the crystal grains. It is assumed that point defects and dislocations in movement and other factors result in reduced energy storage inside grains; and because of high dislocation density in the grain boundary regions, their stored energy is twice as much as that within the grains; meanwhile, the dislocation tangle in the triple junctions gives rise in stored energy that is 2.5 times as muchh as the energy storage within the grains. Considering the fact that the dislocation density distribution near the grain boundary has a certain range, the stored energy on both sides of the grain boundary is higher than that in the central region of grains. So the stored energy within the small grains is higher than within large grains |
2楼2010-09-25 20:10:19