Effect of Nano-Magnesium on the Thermal Decomposition of PTFE

Abstract:

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Due to high reaction activity and high combustion heat release, magnesium is widely used in the field of explosives. The research focus of this article is the effect of magnesium powder size and content on the thermal decomposition of PTFE. Two different particle sizes of magnesium powder are regarded as research objects. The thermal behavior of Mg/PTFE energetic system was investigated by TG-DSC analyzer. The experimental results show that magnesium has a catalytic effect on the thermal decomposition of PTFE. With the increase of magnesium content , the decomposition peak temperature of PTFE decreased firstly and when passed the ratio 50% increased, the best mixing ratio is Mg: PTFE =50:50. Within nanopowder, the activation energy of PTFE decreased by 150kJ∙mol-1 compared to 112 kJ∙mol-1 by mixing with micro powder. Obviously nanopowder has a better reactivity than micro powder, so has a more obvious catalytic effect.

Info:

Periodical:

Materials Science Forum (Volumes 809-810)

Edited by:

Guangming Zhao, Lixin Chen, Yu Tang, Lang He, Bin Long, Zunyu Nie and Haohua Chen

Pages:

155-160

DOI:

10.4028/www.scientific.net/MSF.809-810.155

Citation:

L. Liu et al., "Effect of Nano-Magnesium on the Thermal Decomposition of PTFE", Materials Science Forum, Vols. 809-810, pp. 155-160, 2015

Online since:

December 2014

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Price:

$35.00

[1] G.P. Liu, X.D. Guo and H.Z. Duan: Journal of Solid Rocket Technology, Vol. 31(2008)NO. 5, p.497.(In Chinese).

[2] P.S. M, H. S S and K. I: Fuel, (2008) NO. 87, p.244.

[3] Z.X. Nie, B.X. Li andS.Q. Hu: Journal of Solid Rocket Technology , Vol. 31(2008) NO. 3, p.243. (In Chinese).

[4] M.H. Chen Q.J. Jiao and L.B. Liu: Initiators and Pyrotechnics, (2004) NO. 3, p.5.(In Chinese).

[5] Yi. Yang, Jin. Wang and H.C. Song: Joumal of Astronautics, Vol. 28(2007)NO. 6, p.1724. (In Chinese).

[6] L. Liang, Y. Zeng and L. Zhang: Hebei Chemical Engineering and Industry, Vol. 30(2007) NO. 2, p.21.(In Chinese).

[7] X. Zhou,W. Zhang and X.W. Liu: Chinese Journal of Energetic Materials, Vol. 19(2011) NO. 1, p.37.(In Chinese).

[8] H. Huang, Y. Huang and S.B. Li : Chinese Journal of Explosives & Propellants, (2002) NO. 2, p.01.

[9] Y. Ohkura, P.M. Rao and X.L. Zheng : Combustion and Flame, (2011) NO. 158, p.2544.

[10] T.Y. Cao, W.H. Zhang and N.F. Wang: Journal of Propulsion Technolog, Vol. 17(1996)NO. 2, p.82. (In Chinese).

[11] L. Odochiana, C. Moldoveanua*, A.M. Mocanub and G. Carjab: Thermochimica Acta , (2011) NO. 526, p.205.

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