Coating Treatment of Mg Powders and their Water Reaction Characteristics

Abstract:

Double-coated Mg powders with a chloride and a polymer such as HTPB(hydroxy-terminated polybutadiene),NC(nitrocellulose),PVB(polyvinylbutyral) were fabricated by physical vapor deposition and solvent evaporation,respectively.The influence of the addition and the species of the first and second coating agents on the water reaction characteristics was investigated. The results show that both the hydrogen release during the reaction with water and the reaction rate increases distinctly with the increase of the chloride.Compared with those of the raw Mg powders and Mg powders coated with the chloride, the initial reaction temperature of the double-coated Mg powders increases to different extent.Moreover,the initial reaction temperature has an increase trend with the increase of the addition of coating agents.

• Periodical: Advanced Materials Research (Volumes 781-784)
• Pages: 2463-2470
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.781-784.2463
• Online since: September 2013
• Authors: Xiao De Guo*, Feng Sheng Li, Gui Zhen Bian, Guan Peng Liu
• Keywords: Coating, Initial Reaction Temperature, Mg/Water Propellant, Reaction Rate, Water Reaction Characteristics

References

[1] Luo Kai, Dang Jianjun, Wang Yucai, et. al. System capability estimating for a metal/water reaction fuel ramjet system. Propulsion technology[J], 2004, 25 (6) : 495-498 [in Chinese].

[2] Li Fang, Zhang Weihua, Zhang Wei, et al. Analysis on energy characteristics of hydroreactive metal fuel. Solid Rocket Technology[J], 2005, 28 (4) : 256-259[in Chinese].

[3] Kiely D H. Review of Underwater Thermal Propulsion[C]. AIAA 94-2837.

[4] Goroshin S, Higgins A J. Powdered Magnesium-Carbon Dioxide Propulsion Concepts for Mar Missions[C]. AIAA 99-2408.

DOI: 10.2514/6.1999-2408

[5] Miller T F, Herr J D. Green Rocket Propulsion by Reaction of Al and Mg Powder and Water[C]. AIAA 2004-4037.

[6] Rmstrong R W, Baschung B, Booth D W, et al. Enhanced Propellant Combustion with Nanoparticles[J]. 2003, 3(2): 253-255.

[7] Li Baofang. Preliminary Study on Magnesium Powder Surface Modification. Mechanical Management and Development, 2006, (1) : 7-10[in Chinese].

[8] Huo Junping, Song Huaihe, Chen Xiaohong. Advances on the synthesis of carbon-encapsulated metal nanoparticles. Chemistry, 2005, (1): 23-29[in Chinese].

[9] Gu Xuemin, Gong Yisheng, Tang Kaluo. Inorganic Chemistry Series (II) [M]. Beijing: Science Press, (1998).