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Explosive fragmentation of a thin ceramic tube using pulsed power
Hiroaki Katsuragi1, Satoshi Ihara, Haruo Honjo
1Department of Applied Science for Electronics and Materials, Kyushu University, Fukuoka 816-8580, Japan. katsurag@asem.kyushu-u.ac.jp
Physical Review Letters
|October 4, 2005
Summary
This study explored explosive ceramic tube fragmentation using pulsed power, revealing fragment mass distributions that follow double exponential or power law patterns. These findings establish universal scaling applicable to various fragmentation types.
Area of Science:
- Materials Science
- Physics
- Engineering
Background:
- Ceramic materials are utilized in various high-stress applications.
- Understanding fragmentation mechanics is crucial for material design and safety.
Purpose of the Study:
- To experimentally investigate the explosive fragmentation of thin ceramic tubes.
- To analyze the statistical properties of fragment mass distribution.
- To establish universal scaling laws for fragmentation.
Main Methods:
- Thin ceramic tubes were subjected to explosive fragmentation.
- A copper wire within the tube was vaporized using pulsed power, generating pressure.
- Statistical analysis of fragment mass distribution was performed.
Main Results:
- Fragment mass distribution followed either a double exponential or power law with exponential decay.
- Both distribution models demonstrated strong agreement with experimental data.
- Universal scaling laws for fragmentation were successfully obtained.
Conclusions:
- The study provides a robust model for explosive ceramic fragmentation.
- The derived universal scaling laws are applicable to both impact and explosive fragmentation scenarios.
- Findings contribute to the predictive understanding of material failure under extreme conditions.