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Composites: Mechanics, Computations, Applications: An International Journal
ESCI SJR: 0.193 SNIP: 0.497 CiteScore™: 0.39

ISSN Печать: 2152-2057
ISSN Онлайн: 2152-2073

Composites: Mechanics, Computations, Applications: An International Journal

DOI: 10.1615/CompMechComputApplIntJ.v8.i2.30
pages 125-145

A 3D PROGRESSIVE MATERIAL DAMAGE MODEL FOR FE SIMULATION OF MACHINING A UNIDIRECTIONAL FRP COMPOSITE

Yanli He
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P.R. China
Ying Zhang
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P.R. China
Ming Luo
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P.R. China
Baohai Wu
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, P.R. China

Краткое описание

In existing finite element (FE) models of machining a unidirectional fiber-reinforced polymer composite (FRP), the instantaneous damage strategy or two-dimensional (2D) progressive damage models are most widely used. In this study, an energy-based three-dimensional progressive damage model was proposed for damage evolution and continuous stiffness degradation of FRP material. Maximum stress criterion was applied for damage initiation prediction. The progressive damage model was implemented in Abaqus user subroutine and incorporated into a macromechanical FE model. The simulated chip shapes and cutting forces were compared with those obtained in experiment and in existing 2D models when applicable. The result is consistent with the existing simulation work in the literature, while with a better agreement as of the cutting forces trends prediction.


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