基于sma的飞机舱门封板设计、构造与建模

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Smart and Nano Materials Pub Date : 2022-07-03 DOI:10.1080/19475411.2022.2103598

Chen Zhang, Renhao Liu, C. Tao, C. Zhang, H. Ji, J. Qiu

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引用次数: 3

摘要

摘要在这项工作中，提出了一种由形状记忆合金（SMA）驱动的新型飞机舱门密封结构，该结构比传统的密封板具有更高的密封性能。利用SMA的双向形状记忆效应（TWSME），使得所提出的密封板可以通过驱动SMA单元的加热和冷却来改变其形状。考虑到SMA在训练过程中表现出的温度场和恢复应变场的不均匀性，建立了密封结构的改进有限元模型来预测SMA基密封板的挠度。最后，进行了验证实验。实验结果与有限元预测结果吻合良好，表明改进的有限元模型具有良好的精度以及所提出的密封结构的有效性。图形摘要

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Design, construction, and modeling of aircraft door sealing plate based on SMAs

ABSTRACT In this work, a novel aircraft door sealing structure driven by shape memory alloys (SMAs) is proposed that offers much improved sealing capability than traditional sealing plates. The two-way shape memory effect (TWSME) of SMAs is utilized so that the proposed sealing plate can change its shape through heating and cooling of the driving SMA unit. Considering the inhomogeneous temperature and recovery strain field the SMA exhibits while being trained, a modified finite element (FE) model of the sealing structure is established to predict the deflection of the SMA-based sealing plate. Finally, verification experiments are carried out. The experimental results show good agreement with the FE predictions, indicating good accuracy of the modified FE model as well as the effectiveness of the proposed sealing structure. GRAPHICAL ABSTRACT

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来源期刊

International Journal of Smart and Nano Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.30

自引率

5.10%

发文量

审稿时长

11 weeks

期刊介绍： The central aim of International Journal of Smart and Nano Materials is to publish original results, critical reviews, technical discussion, and book reviews related to this compelling research field: smart and nano materials, and their applications. The papers published in this journal will provide cutting edge information and instructive research guidance, encouraging more scientists to make their contribution to this dynamic research field.