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Impact Behavior and Dynamic Failure of PMMA and PC Plates

  • Wei ZhangEmail author
  • Srinivasan Arjun Tekalur
  • L. Huynh
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

Dynamic failure of monolithic poly methyl methacrylate (PMMA) plates subjected to low velocity dynamic loading was studied using an instrumented drop weight tower. The investigation was carried out at various combinations of impact velocities and drop-weights on the monolithic PMMA plates to examine their threshold using the following combinations of plates reinforced with weak and strong adhesive interface bonding: PMMA and PC bi-layered plates, and PMMA and PMMA bi-layered plates. Energy dissipation, time to crack, reaction force, and fragmentation pattern were compared for different combinations of velocity and drop weight. The recorded loading histories were used as inputs to finite element (FE) models, which were achieved using a commercial FE software, ABAQUS. The FE modeling provided a detailed insight of the energy dissipations of the impact events, which showed good agreement with the experimental results. From these results, we conclude that layered structures are beneficial to improve the impact resistance and the interfacial bonding plays an important role in determining the extent of the same.

Keywords

Impact Energy Impact Response Drop Weight Dynamic Failure PMMA Plate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Dept. of Mechanical EngineeringMichigan State UniversityEast LansingUSA

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