Coalescence of two particles with different sizes by surface diffusion

被引：14
|
作者：
Zhang, W [1 ]
Sachenko, P
Schneibel, JH
Gladwell, I
机构：
[1] Oakland Univ, Dept Math & Stat, Rochester, MI 48309 USA
[2] Oakland Univ, Dept Mech Engn, Rochester, MI 48309 USA
[3] Oak Ridge Natl Lab, Div Met & Ceram, Oak Ridge, TN 37831 USA
[4] So Methodist Univ, Dept Math, Dallas, TX 75275 USA
来源：
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES | 2002年 / 82卷 / 16期
关键词：
D O I：
10.1080/01418610210164366
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the coalescence of two particles with different sizes by surface diffusion, in the presence of a grain boundary, through mathematical modelling, numerical computation and physical experiment. We propose a proper set of joining conditions at the triple junctions and show computationally the development of a curved grain boundary. A unique experiment for the sintering of two microscale particles using focused ion beam machining is designed and implemented with thin Cu foils. The evolution of the sintering couples found after different annealing times agrees qualitatively with the simulation results based on the model and the proposed joining conditions.
引用
收藏
页码：2995 / 3011
页数：17
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