厚截面热固性复合材料固化过程建模及残余应力分析

IF 3.8 2区工程技术 Q1 ENGINEERING, MECHANICAL

Acta Mechanica Sinica Pub Date : 2025-05-07 DOI:10.1007/s10409-024-24411-x

Yongshan Li (, ), Guangchang Chen (, ), Jingran Ge (, ), Kai Liu (, ), Jun Liang (, )

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引用次数: 0

摘要

复合材料的固化行为对其性能有重要影响，因此了解固化过程至关重要。实验测量了材料的比热容、导热系数、玻璃化转变温度、热膨胀系数和固化收缩率。建立了光纤光栅固化变形的仿真模型，并根据光纤光栅实验得到的应变数据进行了验证。分析了厚度、加热速率和冷却速率对厚截面复合板成型过程中固化温度场和残余应力场的影响。

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Modeling of curing process and residual stress analysis of thick-section thermosetting composites

The curing behavior of composites significantly influences their performance, making it crucial to understand the curing process. This study experimentally measured specific heat capacity, thermal conductivity, glass transition temperature, coefficient of thermal expansion, and cure shrinkage of materials. A simulation model of its curing deformation was established and validated against strain data obtained from fiber Bragg grating experiments. The effects of thickness, heating rate, and cooling rate on the curing temperature field and residual stress field during the molding of thick-section composite plates were analyzed.

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来源期刊

Acta Mechanica Sinica 物理-工程：机械

CiteScore

5.60

自引率

20.00%

发文量

1807

审稿时长

4 months

期刊介绍： Acta Mechanica Sinica, sponsored by the Chinese Society of Theoretical and Applied Mechanics, promotes scientific exchanges and collaboration among Chinese scientists in China and abroad. It features high quality, original papers in all aspects of mechanics and mechanical sciences. Not only does the journal explore the classical subdivisions of theoretical and applied mechanics such as solid and fluid mechanics, it also explores recently emerging areas such as biomechanics and nanomechanics. In addition, the journal investigates analytical, computational, and experimental progresses in all areas of mechanics. Lastly, it encourages research in interdisciplinary subjects, serving as a bridge between mechanics and other branches of engineering and the sciences. In addition to research papers, Acta Mechanica Sinica publishes reviews, notes, experimental techniques, scientific events, and other special topics of interest. Related subjects » Classical Continuum Physics - Computational Intelligence and Complexity - Mechanics