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【答案】应助回帖
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kevinhan1: 金币+40, 翻译EPI+1, ★★★很有帮助 2016-07-11 09:39:07
基体α相 是在 摩擦力的 作用下 易于 产生 塑性变形、流动，而在 其中 均匀分布的是 硬质硅相,它的 塑性差,不易变形,从而 阻碍 α相的 塑性流动,结果在 硬质相 周围 产生 大量的 位错 及 位错缠结,而位错的 产生 有利于 提高 材料的 硬度和耐磨性
matrix α-phase is likely to be subjected to plastic deformation and flow under the effect of friction force。 However the hard Si phase, which is uniformly distributed within, is of poor plasticity and not easy to deform, so that the plastic flow of α phase can be hindered, and thus massive amount of dislocations and dislocation tangles are produced around the hard phase. Due to the emergence of dislocations, the hardness and abrasive resistance of material can be improved. |
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