Application of ultrahigh-speed photography to analytical modeling of impact perforation of polymer and ceramic materials

Osamu Hasegawa; Takeshi Okubo; Satoru Yamagata; Hideaki Kasano

doi:10.1117/12.424263

17 April 2001 Application of ultrahigh-speed photography to analytical modeling of impact perforation of polymer and ceramic materials

Osamu Hasegawa, Takeshi Okubo, Satoru Yamagata, Hideaki Kasano

Author Affiliations +

Proceedings Volume 4183, 24th International Congress on High-Speed Photography and Photonics; (2001) https://doi.org/10.1117/12.424263
Event: 24th International Congress on High-Speed Photography and Photonics, 2000, Sendai, Japan

Abstract

An impact test system is developed by incorporating a digital imaging system with a gas-gun type impact machine. By using this system, impact perforation tests by a steel ball projectile traveling at high speed are conducted on polymer and ceramic materials, while, at the same time, consecutive images of the projectile perforating the target material are taken during the tests. Combination of the test results along with the ultra-high speed images leads to analytical modeling for estimating/predicting the perforation characteristics of these materials. It is concluded from the present study that, (1) the impact test system developed here is proven to be a powerful means to the end of this investigation, (2) the ultra-high speed photography allows visualization of such a high-speed mechanical process as an impact perforation of a target material by a projectile, and (3) the digital consecutive images are very helpful with the analytical modeling, from which semi-empirical expressions for estimating/predicting the major perforation characteristics of these materials are successfully obtained.

Citation Download Citation

Osamu Hasegawa, Takeshi Okubo, Satoru Yamagata, and Hideaki Kasano "Application of ultrahigh-speed photography to analytical modeling of impact perforation of polymer and ceramic materials", Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); https://doi.org/10.1117/12.424263

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