Investigation of the role of aziridine bonding agents on the aging of the composite solid rocket propellant(CSRP) |
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Authors: | Amged A Ali ZHANG Jian-wei and CAI Guo-biao |
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Institution: | School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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Abstract: | The role of bonding agents on the aging characteristics is one of the important research topics.Aging program of the prepared propellant samples was conducting as follows:Five samples,two free of bonding agents,and three containing an aziridine based bonding agents (MAPO,HX-752,MAT4),four samples based on different bonding and curing agents all were aged at 70℃.The prepared bonding agent"MAT4"gave remarkable improvements and resulted in highly stable mechanical properties comparing with HX-752 or MAPO.The selected bonding agents family inhibited the rate of decomposition of the propellants during the aging periods and supported the propellant matrix against decomposition at the elevated temperatures. |
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Keywords: | propellant matrix accelerated aging bonding agents analysis techniques mechanical prop-erties curing agents |
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