Reaction behaviors of Al/PTFE materials enhanced by W particles

Hui Lan Ren; Wei Li; Xiao Jun Liu; Zhi You Chen

doi:10.3969/j.issn.1000-1093.2016.05.014

Reaction behaviors of Al/PTFE materials enhanced by W particles

Hui Lan Ren, Wei Li, Xiao Jun Liu, Zhi You Chen

School of Mechatronical Engineering

Beijing Institute of Technology

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

26 Citations (Scopus)

Abstract

The reaction behaviors of four kinds of Al/W/PTFE materials prepared by compression molding and sintering are studied by split Hopkinson pressure bar (SHPB) and high speed photography. The results show that yield strength and failure strength are improved with the increase in mass fraction of W. The stress-strain curve of the material in quasi-static compression tests can be divided into elastic stage, hardening stage and failure stage. The impact reaction process of Al/W/PTFE material includes deformation, failure and combustion reaction. The calculated results indicate that the strain-rate reaction threshold and unit energy threshold of material increase with the increase in content of W.

Original language	English
Pages (from-to)	872-878
Number of pages	7
Journal	Binggong Xuebao/Acta Armamentarii
Volume	37
Issue number	5
DOIs	https://doi.org/10.3969/j.issn.1000-1093.2016.05.014
Publication status	Published - 1 May 2016

Keywords

Al/W/PTFE reactive material
Dynamic characteristics
Ordnance science and technology
Split Hopkinson pressure bar
Strain-rate reaction threshold

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10.3969/j.issn.1000-1093.2016.05.014

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title = "Reaction behaviors of Al/PTFE materials enhanced by W particles",

abstract = "The reaction behaviors of four kinds of Al/W/PTFE materials prepared by compression molding and sintering are studied by split Hopkinson pressure bar (SHPB) and high speed photography. The results show that yield strength and failure strength are improved with the increase in mass fraction of W. The stress-strain curve of the material in quasi-static compression tests can be divided into elastic stage, hardening stage and failure stage. The impact reaction process of Al/W/PTFE material includes deformation, failure and combustion reaction. The calculated results indicate that the strain-rate reaction threshold and unit energy threshold of material increase with the increase in content of W.",

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T1 - Reaction behaviors of Al/PTFE materials enhanced by W particles

AU - Ren, Hui Lan

AU - Li, Wei

AU - Liu, Xiao Jun

AU - Chen, Zhi You

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Y1 - 2016/5/1

N2 - The reaction behaviors of four kinds of Al/W/PTFE materials prepared by compression molding and sintering are studied by split Hopkinson pressure bar (SHPB) and high speed photography. The results show that yield strength and failure strength are improved with the increase in mass fraction of W. The stress-strain curve of the material in quasi-static compression tests can be divided into elastic stage, hardening stage and failure stage. The impact reaction process of Al/W/PTFE material includes deformation, failure and combustion reaction. The calculated results indicate that the strain-rate reaction threshold and unit energy threshold of material increase with the increase in content of W.

AB - The reaction behaviors of four kinds of Al/W/PTFE materials prepared by compression molding and sintering are studied by split Hopkinson pressure bar (SHPB) and high speed photography. The results show that yield strength and failure strength are improved with the increase in mass fraction of W. The stress-strain curve of the material in quasi-static compression tests can be divided into elastic stage, hardening stage and failure stage. The impact reaction process of Al/W/PTFE material includes deformation, failure and combustion reaction. The calculated results indicate that the strain-rate reaction threshold and unit energy threshold of material increase with the increase in content of W.

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KW - Dynamic characteristics

KW - Ordnance science and technology

KW - Split Hopkinson pressure bar

KW - Strain-rate reaction threshold

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Reaction behaviors of Al/PTFE materials enhanced by W particles

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