Demonstration of the feasibility and practical value of direct acoustic measurements in liquid metals

IF 0.8 Q4 METALLURGY & METALLURGICAL ENGINEERING
S. Kazhikenova, G. Shaikhova, S. Shaltakov, D. Belomestny
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引用次数: 0

Abstract

The temperature dependences of ultrasound absorption and propagation speed in simple semimetals, semiconductors, and semiconductor compounds have been studied in this article. Experimental and theoretical results testify to the microheterogeneity of semimetals and semiconductor melts. Generalization and analysis of experimental data on the absorption and propagation speed of ultrasound in melts based on D.I. Mendeleev periodic law clearly indicate the presence of micro-groups of atoms (clusters) in them, microheterogenizing melts of semimetals and semiconductors. The urgency of this problem is predetermined by the problem of the liquid state of matter. The dependence of ultrasound absorption and propagation speed on temperature is measured using several groups of samples in paper, each group is heated to a different temperature. It is proved that melts have clustered in their atomic matrix, and so melts with semiconductor properties are micro-inhomogeneous. These results are needed to scale melt sonication to an industrial scale and are needed to provide valuable new insights into temperature dependencies of ultrasound absorption.
论证了液态金属直接声学测量的可行性和实用价值
本文研究了超声在简单半金属、半导体和半导体化合物中吸收和传播速度的温度依赖性。实验和理论结果证明了半金属和半导体熔体的微观非均质性。基于门捷列夫周期律对超声波在熔体中的吸收和传播速度的实验数据进行了归纳和分析,清楚地表明在熔体中存在微原子群(团簇),半金属和半导体熔体存在微异质化。这个问题的紧迫性是由物质的液态问题决定的。用几组纸样品,每组加热到不同的温度,测量超声吸收和传播速度对温度的依赖关系。证明了熔体在其原子基体中聚集,因此具有半导体性质的熔体是微不均匀的。这些结果需要将熔融超声扩展到工业规模,并且需要为超声吸收的温度依赖性提供有价值的新见解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
自引率
42.90%
发文量
55
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