Research progress on high-energy electropulsing treatment of high-performance metallic materials

doi:10.13251/j.issn.0254-6051.2021.10.001

Abstract

Abstract: Electropulsing treatment (EPT) is a novel heat treatment with periodic non-equilibrium high-energy input. Effect of EPT on recrystallization, phase transformation and amorphous crystallization of metallic materials was introduced. From the viewpoint of material thermodynamics and dynamics, the roles of electropulsing in reducing thermodynamic energy barrier and accelerating atomic diffusion were elaborated, and mechanisms of recrystallization, phase transformation and amorphous nanocrystallization induced by electropulsing were also revealed, which was conducive to optimize microstructure and improve properties. EPT has a broad application prospect in producing industry of high-performance metallic materials.

Key words: electropulsing treatment, metallic material, phase transformation, microstructure, properties

CLC Number:

TG146.2

Lu Yanna, Long Jiahui, Jiang Yanbin, Liu Xinhua. Research progress on high-energy electropulsing treatment of high-performance metallic materials[J]. Heat Treatment of Metals, 2021, 46(10): 1-11.

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