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小蘭花銀蟲 (著名寫手)
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[交流]
請英語高手幫完善一段翻譯(中譯英)
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感覺翻譯很像中式英語!但自己水平有限,希望高手們幫我修正下面的翻譯。希望能使英文地道通順。謝謝指導! 采用有限元方法,模擬了多個空間取向的棒狀第二相粒子對基體晶粒長大的影響。結果表明:在晶粒長大過程中,棒狀第二相粒子位于晶界處并與晶界方向一致,第二相粒子表現(xiàn)出強烈地釘扎晶界的作用,平均晶粒極限半徑可以用Zener關系表示;在第二相粒子面積分數(shù)和粒子尺寸分別相同的情況下,當?shù)诙嗔W用娣e分數(shù)較小時,棒狀粒子與圓形粒子對晶粒長大的釘扎作用沒有明顯差別;當粒子面積分數(shù)較大時,棒狀粒子的釘扎效果好于圓形粒子的釘扎效果。 初步翻譯: The finite element method was employed to simulate the effect of the geometric orientation and shape of second-phase particles to the matrix grain growth. The simulation results show that, in the grain growth process, most of the spherical particles were in the intersection of three crystals boundary, while stick particles were at the grain boundaries in the same direction with the grain boundary. The second-phase particles showed a strong pinning effect on grain boundary and the final average grain radius can be expressed by Zener relations. Under the condition of the same area fraction and particle size, there is no difference between stick particles and spherical particles in the pinning effect on grain growth when the second-phase particles is small; on the contrary, the pinning effect of stick particles on grain boundary is better than that of the spherical particles when the area fraction of second-phase particles is large. [ Last edited by 小蘭花 on 2010-4-28 at 20:52 ] |
| The finite element method has been employed to simulate the effect of the stick-like second-phase particles with muliple geometric orientation on the matrix grain growth. The simulation results show that, in the grain growth process, most of the stick-like particles locate at the grain boundaries with the same direction to the grain boundary, thus displaying strong pinning effect to the grain growth of which can be expressed by Zener relations. Under the condition of the same area fraction and particle size, no obvious difference between stick particles and spherical particles has been observed in pinning the grain growth when the second-phase particles occupy a samll area fraction. However, comared to spherical particles, the stick-like particles show superior pinning effect when the area fraction of second-phase particles is large. |
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