Features of the Polymethyl Methacrylate Destruction Process by Various Types of Dynamic Loading

B.I. Kunizhev; A.M. Kugotova; Z.S. Torshhoeva; Ruslan A. Shetov

doi:10.4028/www.scientific.net/KEM.899.473

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 899Features of the Polymethyl Methacrylate...

Features of the Polymethyl Methacrylate Destruction Process by Various Types of Dynamic Loading

Abstract:

The paper presents a comparative analysis of the dynamic loading of a polymethyl methacrylate (PMMA) target by a polyethylene (PE) projectile exposed to laser radiation with similar initial energy characteristics of the projectile and the laser pulse. The similarities and differences in the mechanisms of the target's response and its destruction to high-speed mechanical and laser action are shown. A higher efficiency of laser irradiation in the destruction of PMMA was found, and the conditions for the transition of the fracture mechanism from brittle to elastic-plastic were shown.

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Periodical:

Key Engineering Materials (Volume 899)

Pages:

473-478

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.899.473

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Online since:

September 2021

Authors:

B.I. Kunizhev*, A.M. Kugotova, Z.S. Torshhoeva, Ruslan A. Shetov

Keywords:

Brittle-Ductile Transition, Crater, High-Speed Impact, Laser, Polyethylene, Polymethyl Methacrylate, Projectile, Solid Target

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