Modeling of Grain Refinement of Metals and Alloys during Inelastic Deformation

被引：2
|
作者：
Ostanina, T. V. [1 ]
Telkanov, M. A. [1 ]
Makarevic, E. S. [1 ]
Trusov, P. V. [1 ]
Shveykin, A. I. [1 ]
机构：
[1] Perm Natl Res Polytech Univ, Perm 614990, Russia
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2017 (AMHS'17) | 2017年 / 1909卷
基金：
俄罗斯科学基金会;
关键词：
CRYSTAL PLASTICITY MODELS;
D O I：
10.1063/1.5013841
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A two level mathematical model of deformation of polycrystalline metals and alloys with consideration for grain structure refinement is proposed. The fragmentation criterion for a crystallite based on the analysis of accumulated inelastic strain and the current form is given. The moment factors appearing inside the polycrystalline aggregate during inelastic deformation are considered in the description of crystallite fragmentation. The derived modeling results for different loading processes of polycrystalline copper illustrate the capabilities of the proposed model.
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页数：4
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