TY - GEN
T1 - Effect of phase distribution on reaction behaviors of PTFE/AL reactive materials
AU - Zhang, Song
AU - Liu, Jinxu
AU - Li, Shukui
AU - He, Chuan
AU - Feng, Xinya
N1 - Publisher Copyright:
© 2019 by International Ballistics Society All rights reserved.
PY - 2019
Y1 - 2019
N2 - The polytetrafluoroethylene/aluminum (PTFE/Al) reactive material is one of the new energetic structural material containing good structural strength and high energy density. However, limited by traditional preparation methods, it is difficult to get uniform microstructure, while the presence of agglomeration which decreased the contact area between oxidizer and fuel would limit the reaction efficiency. In the paper, we prepared two kinds of Al particles with different particle size, and demonstrated two fabricated methods to adjust the distribution of phase, thus achieving the goal to control the reaction rate and extent of reaction. Thermal characteristics, reaction heat, specific volume of explosive, and reaction processes under high speed impact were measured to evaluate the effect of phase distribution on reactive characteristics of PTFE/Al reactive material. In comparison with the material fabricated from traditional method, the material containing uniform distribution of phase exhibited a higher reaction efficiency, bigger explosive specific volume, and longer duration of the reaction under impact.
AB - The polytetrafluoroethylene/aluminum (PTFE/Al) reactive material is one of the new energetic structural material containing good structural strength and high energy density. However, limited by traditional preparation methods, it is difficult to get uniform microstructure, while the presence of agglomeration which decreased the contact area between oxidizer and fuel would limit the reaction efficiency. In the paper, we prepared two kinds of Al particles with different particle size, and demonstrated two fabricated methods to adjust the distribution of phase, thus achieving the goal to control the reaction rate and extent of reaction. Thermal characteristics, reaction heat, specific volume of explosive, and reaction processes under high speed impact were measured to evaluate the effect of phase distribution on reactive characteristics of PTFE/Al reactive material. In comparison with the material fabricated from traditional method, the material containing uniform distribution of phase exhibited a higher reaction efficiency, bigger explosive specific volume, and longer duration of the reaction under impact.
UR - http://www.scopus.com/inward/record.url?scp=85085943627&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:85085943627
T3 - Proceedings - 31st International Symposium on Ballistics, BALLISTICS 2019
SP - 2005
EP - 2013
BT - Terminal Ballistics, Explosion Mechanics, Vulnerability and Survivability
A2 - Saraswat, V. K.
A2 - Reddy, G. Satheesh
A2 - Woodley, Clive
PB - DEStech Publications Inc.
T2 - 31st International Symposium on Ballistics, BALLISTICS 2019
Y2 - 4 November 2019 through 8 November 2019
ER -