探索密度不同的内压圆柱体的有效应力行为

Arjun Singh, Priya Gulial, Pankaj Thakur
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摘要

这篇研究文章以诺顿定律为分析框架,对密度不同的内压气缸的有效应力行为进行了全面研究。我们的全面数值计算涵盖了气缸制造中常用的各种钢材和钢合金,涵盖了五种不同类型的各向异性。研究细致分析了蠕变规律中各向异性和指数 "n "的深刻影响。我们发现,各向异性材料的有效应力值,尤其是 I 型和 II 型材料的有效应力值,与 III 型材料中各向同性材料的有效应力值相比明显降低。此外,我们还强调了密度参数的增加在提高由各向异性材料组成的旋转圆柱体内的径向、圆周、轴向应力和有效应力值方面所起的积极作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exploring the effective stress behavior of internally pressurized cylinders with varying density
This research article presents a comprehensive examination of effective stress behavior in internally pressurized cylinders with varying density, utilizing Norton's law as the analytical framework. Our thorough numerical computations encompass a wide array of steels and steel alloys commonly employed in cylinder fabrication, covering five distinct types of anisotropy. The investigation meticulously analyzes the profound impact of anisotropy and the exponent “n” within the creep law. A key insight emerges as the effective stress values for anisotropic materials, particularly in Type‐I and Type‐II, showcase a notable reduction compared to their isotropic counterparts in Type‐III. Moreover, we highlight the active role played by an increasing density parameter in elevating the values of radial, circumferential, axial stress, and effective stress within the rotating cylinder composed of anisotropic materials.
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