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A Study on Fracture Characteristics of Plastics and Application to Head Impact Simulation for Instrument Panels

The instrument panels are made to meet stiffness requirements and also interior safety regulation such as head impact test. Nowadays, CAE is widely used to predict the test results in advance. However, considering fracture phenomena, the characteristics of material takes a significant role for the s...

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Bibliographic Details
Published in:SAE International Journal of Passenger Cars - Mechanical Systems 2008-04, Vol.1 (1), p.829-834, Article 2008-01-1116
Main Authors: Lee, Kangwook, Yeo, Taejung, Park, Soonjo, Gese, Helmut Arnulf, Dell, Harry
Format: Article
Language:English
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Summary:The instrument panels are made to meet stiffness requirements and also interior safety regulation such as head impact test. Nowadays, CAE is widely used to predict the test results in advance. However, considering fracture phenomena, the characteristics of material takes a significant role for the simulation of the real tests. In this paper, high speed tensile tests and fracture tests of specimens representing typical stress-states were performed to make a fracture criterion of a plastic material (PC/ABS). The suggested method was validated by comparing simulation with test results.
ISSN:1946-3995
1946-4002
1946-4002
DOI:10.4271/2008-01-1116