Through-thickness damage distribution in sheet bending employing the workability diagram
- 作者: Lyamina E.A.1
-
隶属关系:
- Ishlinsky Institute for Problems in Mechanics RAS
- 期: 卷 23, 编号 4 (2024)
- 页面: 133-143
- 栏目: MECHANICAL ENGINEERING
- URL: https://journal-vniispk.ru/2542-0453/article/view/311497
- DOI: https://doi.org/10.18287/2541-7533-2024-23-4-133-143
- ID: 311497
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详细
A semi-analytical solution is constructed to determine the through-thickness distribution of the average stress triaxiality parameter included in the ductile fracture criterion in sheet bending under the action of a bending moment and tensile force. It is assumed that the condition of the sheet is plain-strain. The sheet material is elastic-plastic, and the uniaxial yield stress is an arbitrary function of the equivalent plastic strain. The solution allows for predicting the occurrence of plastic fracture and the distribution of the degree of use of the plasticity reserve over the sheet thickness.
作者简介
E. Lyamina
Ishlinsky Institute for Problems in Mechanics RAS
编辑信件的主要联系方式.
Email: lyamina@inbox.ru
ORCID iD: 0000-0002-7319-8703
Candidate of Science (Phys. & Math.), Associated Professor; Senior Researcher of the Laboratory of Technological Processes
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