Brittle fragmentation characteristic of Y-state TU1 rings

GUI Yu-lin; SUN Cheng-wei; LI Qiang; ZHANG Guang-sheng

doi:10.11883/1001-1455(2009)06-0596-05

Volume 29 Issue 6

Sep. 2014

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GUI Yu-lin, SUN Cheng-wei, LI Qiang, ZHANG Guang-sheng. Brittle fragmentation characteristic of Y-state TU1 rings[J]. Explosion And Shock Waves, 2009, 29(6): 596-600. doi: 10.11883/1001-1455(2009)06-0596-05

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GUI Yu-lin, SUN Cheng-wei, LI Qiang, ZHANG Guang-sheng. Brittle fragmentation characteristic of Y-state TU1 rings[J]. Explosion And Shock Waves, 2009, 29(6): 596-600. doi: 10.11883/1001-1455(2009)06-0596-05

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Brittle fragmentation characteristic of Y-state TU1 rings

doi: 10.11883/1001-1455(2009)06-0596-05

1.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2009-11-25

Abstract

Abstract

Based on Motts statistical theory and Gradys energy balance theory, The Crack Opening Displacement model (COD model ), was used to describe the brittle fragmentation characteristic of TU1 ring. The formula of fragment size and number were derived from the COD model. The fragmentation experiments were carried out for brittle TU1 rings. The freely expanding ring specimens were electromagnetically driven at different stain rates. The experimental results are in agreement with the COD model, and provide an important reference for the description of the brittle metal fragmentation behavior.
- solid mechanics,
- brittle fragmentation characteristic,
- crack opening displacement model (COD model),
- Y-state TU1 ring

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