Analysis of Localized Plasticity Pattern and Ultrasound Parameters

International Conference on Materials, Alloys and Experimental Mechanics 2017

材料科学;金属学;机械制造

Li, Yu.V.^1 ; Barannikova, S.A.^1 ; Zuev, L.B.^1

Institute of Strength Physics and Materials Science, SB RAS, Tomsk

634055, Russia^1

关键词: Entropy production rates;    Linear work hardening;    Localized plasticity;    Metals and alloys;    Strain invariants;    Ultra-sound velocities;    Ultrasound parameters;    Wave generation;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/225/1/012121/pdf
DOI  :  10.1088/1757-899X/225/1/012121

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The quantitative regularities of phase macro-wave generation are generalized for the stage of linear work hardening observed for a range of metals and alloys. Elastic-plastic strain invariant is introduced and its nature is discussed. The existence of elastic-plastic strain invariant is due to the entropy production rate in the system by localized plasticity wave generation.