Dynamic recrystallization of tungsten in a shaped charge liner

W. Guo; S. K. Li; F. C. Wang; M. Wang

doi:10.1016/j.scriptamat.2008.10.028

Dynamic recrystallization of tungsten in a shaped charge liner

W. Guo, S. K. Li^*, F. C. Wang, M. Wang

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

Abstract

Dynamic recrystallization (DRX) of tungsten was investigated through the microstructural examination of a recovered shaped charge slug, using both optical and transmission electron microscopy. The microstructure was refined, indicating the DRX process occurred during deformation. No twins or elongated subgrains were observed due to the extremely high strain rate deformation process. This proves that the DRX process was dominated by dislocation movements. Compared with previous reports of copper and tantalum shaped charges, the tungsten liner deforms more like copper than tantalum.

Original language	English
Pages (from-to)	329-332
Number of pages	4
Journal	Scripta Materialia
Volume	60
Issue number	5
DOIs	https://doi.org/10.1016/j.scriptamat.2008.10.028
Publication status	Published - Mar 2009

Keywords

Dislocation
Dynamic recrystallization
High strain rate
Shaped charge
Tungsten

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Guo, W., Li, S. K., Wang, F. C., & Wang, M. (2009). Dynamic recrystallization of tungsten in a shaped charge liner. Scripta Materialia, 60(5), 329-332. https://doi.org/10.1016/j.scriptamat.2008.10.028

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AU - Li, S. K.

AU - Wang, F. C.

AU - Wang, M.

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N2 - Dynamic recrystallization (DRX) of tungsten was investigated through the microstructural examination of a recovered shaped charge slug, using both optical and transmission electron microscopy. The microstructure was refined, indicating the DRX process occurred during deformation. No twins or elongated subgrains were observed due to the extremely high strain rate deformation process. This proves that the DRX process was dominated by dislocation movements. Compared with previous reports of copper and tantalum shaped charges, the tungsten liner deforms more like copper than tantalum.

AB - Dynamic recrystallization (DRX) of tungsten was investigated through the microstructural examination of a recovered shaped charge slug, using both optical and transmission electron microscopy. The microstructure was refined, indicating the DRX process occurred during deformation. No twins or elongated subgrains were observed due to the extremely high strain rate deformation process. This proves that the DRX process was dominated by dislocation movements. Compared with previous reports of copper and tantalum shaped charges, the tungsten liner deforms more like copper than tantalum.

KW - Dislocation

KW - Dynamic recrystallization

KW - High strain rate

KW - Shaped charge

KW - Tungsten

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DO - 10.1016/j.scriptamat.2008.10.028

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VL - 60

SP - 329

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JO - Scripta Materialia

JF - Scripta Materialia

IS - 5

ER -

Dynamic recrystallization of tungsten in a shaped charge liner

Abstract

Keywords

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