Ultrasonic processing of molten and solidifying aluminium alloys: overview and outlook
Ultrasonic processing of molten and solidifying aluminium alloys: overview and outlook
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DOI：
10.1080/02670836.2016.1162415
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发表时间：
2017-01-01
影响因子：
1.8
通讯作者：
Eskin, D. G.
中科院分区：
文献类型：
--
作者：
Eskin, D. G.
自20世纪30年代以来，超声波熔融加工引起了学术研究人员和工业界的极大兴趣。在过去的10年里，人们对超声熔融加工的兴趣越来越大，主要是了解以前建立的效应的基本机制，开发超声空化的数值模型和纳米复合材料技术的发展。本文综述了超声波熔体加工的机理，包括空化、流动、成核、活化、破碎及其对脱气、结构细化和颗粒分散的影响。一些典型的错误所作的研究人员在进行实验和解释的结果进行了讨论。研究超声处理和现象的新的先进方法被认为是。本文还展望了未来的发展和挑战。
Ultrasonic melt processing attracts since the 1930 a lot of interest both from academic researchers and industry. In the last 10 years the interest to ultrasonic melt processing grew with regard to understanding the underlying mechanisms of previously established effects, developing numerical models of ultrasonic cavitation and the development of nanocomposite technology. This review paper summarises the mechanisms involved in the ultrasonic melt processing, including cavitation, flows, nucleation, activation, fragmentation and their consequences for degassing, structure refinement and particle dispersion. Some typical mistakes made by researchers in performing experiments and in interpretation of the results are discussed. New advanced methods of studying ultrasonic treatment and phenomena are considered. The paper also gives an outlook to future developments and challenges.