Wenlin Wu, Yanli Song, Pu Zhou, Jue Lu, Yongqing Yu, Lin Hua
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引用次数: 0
Abstract
The phenomenon of rapid phase transition induced by electroshock treatment (EST) in metals has been widely observed, but its kinetic process is rarely quantitatively analyzed. In this work, the dissolution of the second phases in the Al–Zn–Mg–Cu alloys caused by EST was investigated using scanning electron microscopy and transmission electron microscopy. It was found that EST can sufficiently dissolve nanoscale precipitates, Al2CuMg phases and the short rod-shaped dispersed phases in the alloys. Additionally, a non-isothermal dissolution kinetics model has been proposed to depict the dissolution process of the second phase in the Al–Zn–Mg–Cu alloys during EST. The evolution laws and key factors of the second phase dissolution during EST were obtained by numerically solving these models. The solving results are basically consistent with the phenomena monitored in the experiment. These models are expected to be adopted to illustrate the phase transition induced by EST in other metal materials.
期刊介绍：
The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.
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