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納米銅晶胞體積彈性模量變化規(guī)律的分子動力學模擬
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Simulation for Variation Relationship of Volume-elasticity Modulus of Crystal Cu with Pressure and Temperature
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    摘要:

    用分子動力學的方法詳細模擬納米銅晶胞隨溫度與壓強變化的規(guī)律,得到了銅晶胞體積彈性模量突變的敏感壓強點,。模擬結(jié)果表明:單晶銅的在壓強小于75 GPa時體積彈性模量隨溫度升高而降低,,隨壓強增大而增大,;在壓強大于75 GPa時,體積彈性模量隨溫度升高而增大,,隨壓強增大而減小,。

    Abstract:

    The variation relationship of volume-elasticity modulus of crystal Cu with pressure and temperature was analyzed by molecular dynamics simulation, to gain a sensitive point of pressure value. The results shows the volume-elasticity modulus of crystal Cu decreases as temperature rises, but increases as pressure rises before the point 75?GPa; whereas, exceeding the point, the volume-elasticity modulus of crystal Cu increases as temperature rises, but decrease as pressure rises. 

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李冠楠,苗恩銘,費業(yè)泰.納米銅晶胞體積彈性模量變化規(guī)律的分子動力學模擬[J].農(nóng)業(yè)機械學報,2009,40(12):228-232. Simulation for Variation Relationship of Volume-elasticity Modulus of Crystal Cu with Pressure and Temperature[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(12):228-232.

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