NONLINEAR FAILURE ANALYSIS OF FIBER-REINFORCED COMPOSITE LAMINATES SUBJECTED TO PIN STRESS AND WASHER CLAMPING PRESSURE

纖維複合材料疊層板受螺栓應力及墊圈夾壓下之非線性破壞分析

楊登鈞(Teng-Chun Yang) ； 張書維(Shu-Wei Chang) ； 胡宣德(Hsuan-Teh Hu)

《中國土木水利工程學刊》 33卷1期 (2021/03) Pp. 1-10

https://doi.org/10.6652/JoCICHE.202103_33(1).0001

摘要

In this study, the nonlinear model was used to predict the failure loads of fiber-reinforced composite laminates subjected to pin stress and washer clamping pressure. The nonlinear model included nonlinear constitutive law, mixed failure mode composed of the Tsai-Wu and maximum stress criteria, and post failure response. Appropriate constitutive models were established using the software ABAQUS, and the numerical analysis and the experimental data were compared. The results showed that the proposed model could accurately simulate nonlinear material behavior of composite laminates. In addition, parametric studies for effects of laminate layup, geometric variables, washer size and clamping pressure on the failure load of composite laminates with a pin/washer loaded joint were presented.

關鍵字

composite laminate ； pin stress ； washer clamping pressure ； nonlinear failure analysis

並列摘要

本研究使用非線性模型，對纖維複合材疊層板受螺栓應力及墊圈夾壓下，進行板材之破壞預測及數值分析。此模型包含非線性組成律、混合破壞準則（Tsai-Wu破壞準則與最大應力準則）及後破壞分析模式。本研究使用ABAQUS軟體建立適當的組成模型，並將數值分析與實驗數據比較。結果發現，本研究建議的非線性組成模型與分析模式，準確模擬纖維複合材疊層板之非線性行為。此外，對纖維複合材疊層板受到螺栓應力及墊圈夾壓情況下，進行板材不同疊序、幾何圖形及墊圈夾壓力等參數研討，除探討數值分析結果外並做綜合之討論。

並列關鍵字

複合疊層板 ； 螺栓應力 ； 墊圈夾壓 ； 非線性破壞分析

參考文獻

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