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Journal of Materials Science

, Volume 41, Issue 24, pp 8363–8366 | Cite as

Mode-I fracture toughness of PMMA at high loading rates

  • Jun Zhou
  • Yang Wang
  • Yuanming Xia
Letter

Polymethyl methacrylate (PMMA) has been employed widely as a structural material due to its excellent properties. Such material is subjected to dynamic loading in engineering applications such as aircraft and automotive components. Hence it is important to investigate the dynamic fracture behavior of PMMA under high-loading-rate conditions. Many experimental techniques have been proposed to test dynamic fracture behavior of materials. One of the effective experimental techniques that has been used often is the split Hopkinson pressure bar (SHPB). A number of specimen geometries such as three-point bend specimen and wedge-shaped specimen as well as compact compression specimen have been used in the conventional SHPB apparatus [1, 2, 3, 4, 5]. Brazilian disk specimen (also called central cracked circular disk) has been used widely to measure the fracture properties of brittle materials [6, 7, 8, 9], because this disk configuration can cover the entire mode mixity range from pure mode-I...

Keywords

PMMA Brazilian Disk Dynamic Fracture Toughness Brazilian Disk Specimen Dynamic Fracture Behavior 
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.

Notes

Acknowledgement

This work was supported by National Natural Science Foundation of China (project number: 10202021).

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.CAS Key laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics (5th)University of Science and Technology of ChinaHefeiP.R. China

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