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http://dx.doi.org/10.5139/JKSAS.2015.43.1.1

Prediction of Spring-in of Curved Laminated Composite Structure  

Oh, Jae-Min (Department of Aerospace engineering, Pusan National University)
Kim, Wie-Dae (Department of Aerospace engineering, Pusan National University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.43, no.1, 2015 , pp. 1-7 More about this Journal
Abstract
This paper predicts the spring-in effect of curved laminated composite structure for various stacking sequence using finite element analysis(ABAQUS). In composite manufacturing process, large temperature difference, different coefficient of thermal expansion and chemical shrinkage effect cause distortion of composite parts such as spring-in and warpage. Distortion of composite structure is important issue on quality of product, and it should be considered in manufacturing process. In finite element analysis, a CHILE(Cure Hardening Instantaneously Linear Elastic) model and chemical shrinkage effects are considered developing user subroutine in ABAQUS and some cases are simulated.
Keywords
Spring-in; CHILE(Cure Hardening Instantaneously Linear Elastic); C-channel; FEM; User Subroutine; ABAQUS;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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