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Autowave Description of Plasticity of Materials with an Unstable Phase Structure at the Macroscale Level
Technical Physics ( IF 0.7 ) Pub Date : 2021-03-01 , DOI: 10.1134/s1063784221020080
V. I. Danilov , L. B. Zuev , V. V. Gorbatenko , L. V. Danilova , D. V. Orlova

Abstract

We consider the regularities of a plastic flow in materials with strain-induced phase transformation in titanium nickelide and trip steel as examples. The experimental analysis of plastic deformation processes has been carried out using the technique of digital correction of speckle images, which makes it possible to describe quantitatively the behavior of plasticity fronts associated with phase transformation in the given materials. The mechanisms of formation of the Lüders fronts as well as the Portevin–Le Chatelier fronts at different stages of the plastic flow are considered.



中文翻译:

在宏观水平上具有不稳定相结构的材料的可塑性的自动波描述

摘要

我们以在镍钛合金和跳闸钢中具有应变诱导相变的材料中塑性流动的规律性为例。已经使用斑点图像的数字校正技术对塑性变形过程进行了实验分析,这使得可以定量描述与给定材料中的相变相关的可塑性前沿的行为。在塑性流动的不同阶段,考虑了吕德斯锋面的形成机理以及波特温-勒·沙特里耶尔锋面的形成机理。

更新日期:2021-03-01
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