Analysis of spring deformation under multi-channel action

Hao Zhang; Thelma D. Palaoag

doi:10.1117/12.3037929

9 August 2024 Analysis of spring deformation under multi-channel action

Hao Zhang, Thelma D. Palaoag

Proceedings Volume 13220, Third International Conference on Mechatronics and Mechanical Engineering (ICMME 2024); 1322005 (2024) https://doi.org/10.1117/12.3037929
Event: International Conference on Mechatronics and Mechanical Engineering (ICMME 2024), 2024, Xi'an, China

Abstract

Spring is a kind of elastic element widely used in various fields and also has a large number of applications in many high-temperature equipment. The bearing situation and working environment of spring in engineering use are complicated, which brings difficulties in studying and predicting its effectiveness. In this paper, stress relaxation experiments are carried out on stainless steel at temperatures of 300°C, 500°C and 600°C, and initial loads of 100MPa, 145MPa and 190MPa, respectively. The effects of temperature and initial load on stress relaxation behaviour are studied, and creep constitutive equations are obtained by using stress relaxation curves. The stress relaxation failure form of spring is simulated by Abaqus software. The stress relaxation curve of the spring at 500°C is obtained. It is found that with the increase of initial load and temperature, the relaxation amount increases, the stress relaxation rate becomes faster, and the material is more prone to deformation. The stress relaxation of the material is the result of the joint action of temperature and stress. At this time, the stress is concentrated on the inner side, which shows that the inner side of the spring is more vulnerable to damage under long-term load and high temperature. After 80 hours, the stress relaxation phenomenon tends to be stable at high temperatures. This conclusion provides a theoretical basis for the deformation of springs in high temperature or complex environments, and also provides technical support for the application scenarios of springs.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Hao Zhang and Thelma D. Palaoag "Analysis of spring deformation under multi-channel action", Proc. SPIE 13220, Third International Conference on Mechatronics and Mechanical Engineering (ICMME 2024), 1322005 (9 August 2024); https://doi.org/10.1117/12.3037929

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KEYWORDS

Deformation

Materials properties

3D modeling

Stainless steel

Analytical research

Alloys

Elasticity

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