Abstract
With the help of an improved internal friction method, it was foundthat a peak could appear, as the temperature increased, above theliquidus in each of the internal friction curves of Pb-Bi alloys.The features of this kind of peak are similar to those found duringthe solid-liquid transition in the same experiments, and inaccordance with the characteristics from solid-solid transitionsverified by previous investigators. The results suggest that structural changes take place to some extent in the moltenalloys as a function of temperature, which have been confirmedby the corresponding calorific peak in a differential scanning calorimeter.This phenomenonmight help in understanding the nature of molten alloys and theirmelting mechanism as well. In addition, the internal frictiontechnique proved to be quite sensitive to liquid structures and effective for studying liquid materials.
Published Version
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