从合成理论看非比例加载时的屈服点演变

IF 0.6 4区工程技术 Q4 MECHANICS

Mechanics of Solids Pub Date : 2025-03-22 DOI:10.1134/S0025654424606256

A. Rusinko

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引用次数: 0

摘要

本文针对比例和非比例载荷的情况，提出了一种构建屈服面的新方法，并在三维应力偏差空间中对其进行了研究。数学装置采用了不可恢复变形的合成理论。考虑了以下三种加载情况：单轴拉伸、单轴拉伸和随后的扭转，以及单轴拉伸和随后的反向扭转。模型结果与 2024 T4 铝合金实验结果非常吻合。考虑到最短的计算机时间和要求，本文介绍的理论是预测材料在各种加载轨迹下变形状态的一种有前途的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Yield Locus Evolution at Non-Proportional Loading in Terms of the Synthetic Theory

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Yield Locus Evolution at Non-Proportional Loading in Terms of the Synthetic Theory

This paper addresses a novel approach to the construction of yield surfaces for the case of both proportional and non-proportional loadings, which are studied in the three-dimensional stress deviatoric space. For the mathematical apparatus, the Synthetic theory of irrecoverable deformation is utilized. The following three loading regimes are considered: uniaxial tension, uniaxial tension with subsequent torsion, and uniaxial tension with subsequent torsion in the opposite direction. The model results fit well with the 2024 T4 aluminum alloy experiments. Accounting for minimal computer time and requirements, the theory presented here is a promising method for predicting the deformation state of material subjected to various loading trajectories.

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来源期刊

Mechanics of Solids 医学-力学

CiteScore

1.20

自引率

42.90%

发文量

112

审稿时长

6-12 weeks

期刊介绍： Mechanics of Solids publishes articles in the general areas of dynamics of particles and rigid bodies and the mechanics of deformable solids. The journal has a goal of being a comprehensive record of up-to-the-minute research results. The journal coverage is vibration of discrete and continuous systems; stability and optimization of mechanical systems; automatic control theory; dynamics of multiple body systems; elasticity, viscoelasticity and plasticity; mechanics of composite materials; theory of structures and structural stability; wave propagation and impact of solids; fracture mechanics; micromechanics of solids; mechanics of granular and geological materials; structure-fluid interaction; mechanical behavior of materials; gyroscopes and navigation systems; and nanomechanics. Most of the articles in the journal are theoretical and analytical. They present a blend of basic mechanics theory with analysis of contemporary technological problems.