Analysis of penetration phenomenon of ballistic material using a high-speed photography technique

Hee Jae Kim; Young Sun Kim; Kyeong Heum Yang

doi:10.1117/12.209555

30 May 1995 Analysis of penetration phenomenon of ballistic material using a high-speed photography technique

Hee Jae Kim, Young Sun Kim, Kyeong Heum Yang

Proceedings Volume 2513, 21st International Congress on: High-Speed Photography and Photonics; (1995) https://doi.org/10.1117/12.209555
Event: High-Speed Photography and Photonics: 21st International Congress, 1994, Taejon, Korea, Republic of

Abstract

In this research a transient fringe image detection method is applied to restore the transient 3D deformation profile of an armor material during the penetration of a projectile. This method is based on the projection type moire topography. The deformed projection grating lines are generated by means of a line shift caused by the transient deformation of target material during impact with a high velocity projectile. The deviation of projected grating lines from the straight lines are measured at every pixel location. The shift of fringe image pattern reveals the height of transient deformation in perpendicular direction to the target surface. The principle of a modified projection type grating method and some experimental results are presented in this paper. The technique can be utilized to investigate the transient deformation of any armor material during impact with a projectile.

Citation Download Citation

Hee Jae Kim, Young Sun Kim, and Kyeong Heum Yang "Analysis of penetration phenomenon of ballistic material using a high-speed photography technique", Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); https://doi.org/10.1117/12.209555

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