For the first time, the electrical resistivity of liquid Cu64.5Zr35.5, Cu50Zr50, and Cu33.3Zr66.7 alloys at temperatures up to 1600 K has been measured by the contactless method in a rotating magnetic field. The measurements were taken during cooling in a helium atmosphere with a purity of 99.995%. The error of the electrical resistivity determination did not exceed 5%. It has been found that the electrical resistivity of liquid Cu64.5Zr35.5, Cu50Zr50, and Cu33.3Zr66.7 alloys decreases linearly with increasing temperature, while it increases with temperature for liquid copper and zirconium. The concentration dependences of the electrical resistivity and its temperature coefficient have a maximum at 55 at % and a minimum at about 60 at % Zr, respectively. These concentration dependences are similar to the dependences obtained for amorphous alloys and are explained in the framework of the Ziman theory.

中文翻译：

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Cu-Zr 熔体的电阻率

首次通过非接触式方法在旋转磁场中测量了液态 Cu64.5Zr35.5、Cu50Zr50 和 Cu33.3Zr66.7 合金在高达 1600 K 的温度下的电阻率。测量是在氦气中冷却期间进行的，纯度为 99.995%。电阻率测定误差不超过5%。已经发现液态Cu64.5Zr35.5、Cu50Zr50和Cu33.3Zr66.7合金的电阻率随温度升高而线性下降，而液态铜和锆的电阻率随温度升高而增加。电阻率的浓度依赖性及其温度系数分别在 55 at % Zr 处达到最大值，在约 60 at % Zr 处达到最小值。