Reactions of Al-PTFE under Impact and Quasi-Static Compression-Reference-Cited by-同舟云学术

Reactions of Al-PTFE under Impact and Quasi-Static Compression

Published:2015 Issue: Volume:2015 Page:1-6
ISSN:1687-8434
Container-title:Advances in Materials Science and Engineering
language:en
Short-container-title:Advances in Materials Science and Engineering

Author:

Feng Bin¹,Fang Xiang¹,Li Yu-chun¹,Wu Shuang-zhang¹,Mao Yi-ming¹,Wang Huai-xi¹

Affiliation:

1. College of Field Engineering, PLA University of Science and Technology, Hou Biaoying Road No. 88, Nanjing, Jiangsu 210007, China

Abstract

Conventionally, the Al-PTFE is thought to be inert under quasi-static or static loads. However, here we reported an initiation phenomenon of Al-PTFE under quasi-static compression. Quasi-static tests suggest that reacted Al-PTFE samples had much higher toughness than unreacted samples. Dynamic test showed that the energy level needed to initiate the material was similar for quasi-static compression (88–100 J) and dynamic impact (77–91 J). The difference in density indicates that unreacted Al-PTFE has a higher crystallinity, which leads to the lower toughness. SEM images show numerous PTFE fibrils in unreacted composites which made the sample harder to crack and initiate.

Funder

National Basic Research Program of China

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

Link

http://downloads.hindawi.com/journals/amse/2015/582320.pdf

Reference12 articles.

1. Impact ignition of nano and micron composite energetic materials

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3. The role of crystalline phase on fracture and microstructure evolution of polytetrafluoroethylene (PTFE)

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