Numerical and experimental investigation of self-rigidizable Kapton-SMA-based boom

IF 2.7 3区材料科学 Q2 ENGINEERING, MECHANICAL

International Journal of Mechanics and Materials in Design Pub Date : 2023-12-08 DOI:10.1007/s10999-023-09690-5

Vikas Rastogi, S. H. Upadhyay, Kripa Sankar Singh

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Abstract

The gossamer space structures can be stowed effortlessly because of a lack of out-of-plane stiffness, but structural strength is needed on partial or complete out-gassing to maintain their deployed state. This study demonstrates a novel approach to producing a self-maintaining shape ability of an inflatable cylindrical boom using heat-actuated SMA wires when the inflation gas is vented out from the assembly after complete deployment. Kapton-based and Kapton-SMA-based booms are analyzed numerically for bending stiffness under inflation and no-inflation pressure, followed by experimental validation. At this end, a customized heat test chamber is developed to conduct the required experiments. Furthermore, a parametric study is also performed to find the effect of materials and design parameters on the boom’s stiffness. Before all, the non-linear behavior of double-layered laminated Kapton is found by curve fitting of stretch test data with the optimized different material model parameters to find the best-fitted material model under the hyperelastic materials category. The study helps to find the membrane behavior and rigidization of the inflatable boom in a reversible manner.

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基于 Kapton-SMA 的自刚性吊杆的数值和实验研究

由于缺乏平面外刚度，索丝空间结构可以毫不费力地收放，但在部分或完全排气时需要结构强度来保持其展开状态。本研究展示了一种新方法，利用热致动 SMA 线在充气组件完全展开后排出充气气体时，产生可充气圆柱形吊杆的自保持形状能力。对基于 Kapton- 和基于 Kapton-SMA 的吊杆在充气和无充气压力下的弯曲刚度进行了数值分析，然后进行了实验验证。为此，开发了一个定制的热试验箱来进行所需的实验。此外，还进行了参数研究，以找出材料和设计参数对吊杆刚度的影响。首先，通过拉伸测试数据与优化的不同材料模型参数进行曲线拟合，找出双层层压 Kapton 的非线性行为，从而找到超弹性材料类别下的最佳拟合材料模型。这项研究有助于发现膜的行为，并以可逆的方式实现充气吊杆的刚性化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Mechanics and Materials in Design ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

6.00

自引率

5.40%

发文量

审稿时长

>12 weeks

期刊介绍： It is the objective of this journal to provide an effective medium for the dissemination of recent advances and original works in mechanics and materials'' engineering and their impact on the design process in an integrated, highly focused and coherent format. The goal is to enable mechanical, aeronautical, civil, automotive, biomedical, chemical and nuclear engineers, researchers and scientists to keep abreast of recent developments and exchange ideas on a number of topics relating to the use of mechanics and materials in design. Analytical synopsis of contents: The following non-exhaustive list is considered to be within the scope of the International Journal of Mechanics and Materials in Design: Intelligent Design: Nano-engineering and Nano-science in Design; Smart Materials and Adaptive Structures in Design; Mechanism(s) Design; Design against Failure; Design for Manufacturing; Design of Ultralight Structures; Design for a Clean Environment; Impact and Crashworthiness; Microelectronic Packaging Systems. Advanced Materials in Design: Newly Engineered Materials; Smart Materials and Adaptive Structures; Micromechanical Modelling of Composites; Damage Characterisation of Advanced/Traditional Materials; Alternative Use of Traditional Materials in Design; Functionally Graded Materials; Failure Analysis: Fatigue and Fracture; Multiscale Modelling Concepts and Methodology; Interfaces, interfacial properties and characterisation. Design Analysis and Optimisation: Shape and Topology Optimisation; Structural Optimisation; Optimisation Algorithms in Design; Nonlinear Mechanics in Design; Novel Numerical Tools in Design; Geometric Modelling and CAD Tools in Design; FEM, BEM and Hybrid Methods; Integrated Computer Aided Design; Computational Failure Analysis; Coupled Thermo-Electro-Mechanical Designs.