| Summary: | 碩士 === 國立高雄應用科技大學 === 機械與精密工程研究所 === 104 === The purpose of the study was to use molecular dynamics simulations to discuss about gold-copper-gold with multilayer nanofilms. According to the findings, the results were summarized as following. First, when it base on multilayer nanofilms, the depth of indenter would increase. And the atoms would move into lower class, sip vector would also change. Second, the flow of atoms and sip vector would be higher just because the lower bonding energy. Besides, it would increase the load energy, area and potential when increasing the depth of indention between different indenters. The deformation of indention that with higher speed would destroy bonding energy when using more energy. Finally, when the temperature of material increase, the sip vector would not obvious and also it would become soft in the material structure. It would effect in same indentation depth just with lower load force. The study would provide an analysis about the result and discuss the mechanical characteristic about multilayer nanofilms. And it would offer practical suggestions for other researches.
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