从热力学定律出发,利用自由能函数和耗散函数,通过严格的理论推导得到屈服函数、流动法则和硬化规律。
Starting with the first and second laws of thermodynamics, the free energy function and dissipation potential function are discussed;
这就让我们开始思考,要怎么来表示亥姆霍兹自由能,用正则配分函数?
So it becomes interesting, then, to figure out, how can we write the Helmholtz free energy in terms of the canonical partition function?
所得自由能是温度的解析函数。
In other words, now I know how to tell how the Helmholtz free energy changes as a function of temperature.
换句话说,我现在知道如何写出亥姆赫兹,自由能作为温度的函数。
It turns out we can express all these functions in terms of G, G we wouldn't need to choose G, but it's a very useful function to choose.
最终我们能把所有的这些函数,用自由焓G表示出来,我们没有必要选择,但是这个选择很有用。
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