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Simulation of the Change of Sintering Neck between Two Grains in Two Dimensions

Y.Y. Zhu

金属学报(英文版)

A modified two-sphere model of sintering neck has been proposed, wherein three diffusion mechanisms including surface diffusion, grain-boundary diffusion and coupled surface and grain-boundary diffusion are assumed. Sintering neck is appropriately simulated using the modified model. The dynamic change of sintering neck is presented using the simulation. The variational shape of sintering neck in surface diffusion mechanism is continuous, whereas in grain-boundary diffusion mechanism, besides the variational shape of sintering neck being continuous, the center distance between the particles is also assumed to contract. However, the variational shape of sintering neck in coupling diffusion mechanism is integrated using the two diffusion mechanisms mentioned above.

关键词: sintering simulation , simulation , neck , growth , Visual

多路容栅位移采集仪中数据的传输和处理

赵越 , 顾广耀 , 刘杰 , 王振清

物理测试

主要介绍了容栅位移采集仪中的数据的传输和处理。对于上位机软件开发给出了详细的介绍,并对于整个系统的位移数据的传输处理提出了严格、准确的处理方案。通过实践证明该系统中数据的传输和处理符合要求,精确度高,达到了工程实践对于数据的要求。

关键词: Visual , Basic , 数据的传输和处理

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