配方对富燃复合推进剂力学性能影响的实验研究（英文）.pdf

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1、TarekMHhedery，DANGGuo—zhu文章编号：1006—9941(2015)08-0802435ExperimentalStudyonInfluenceofCompositiononMechanicalPropertiesofFuel—richCompositePropellantsTarekMElhedery，UANGGuo-zhu(SchoolofAstronautics，BeijingUniversityofAeronauticsandAstronautics，Beijing100191

2、。China)Abstract：TheinfluenceofcompositiononmechanicaJpropertiesoffuel—richcompositepropellantsbasedonhydroxyl—terminatedpolybutadienepre—polymer(HTPB)／ammoniumperchlorateoxidizer(AP)／aluminumfueI(AI)wasexperimentallyinvestigated．11Batchesof10kgmixeswerepre

3、‘paredinwhichdesignfactorsofmixing．casting，andcuringwerefixed．StandardjANNAFspecimensweretestedwithZwickmachineatarateof50mm．min～under25oC．Theresultsshowthatthedecreasingofthebindercontentfrom74．5％to34．5％duetofillersincorporationsuchasAPan^IDowderdecreased

4、thestrainandincreasedthetensilestrenIgth，Youngsmodulus，andhardness．TheparticlesizeandamountofAPhadinflu—encesonthemechanicaIproperties．ThefineAPparticlesactedasactivefillerandenhancedthemechanicalpropertiesofcompositepropellant．De—creasingAPaverageparticle

5、diameterfrom55．9p．mto9mwashelpfultoincreasethetensilestrength，Youngsmodulus，andhardnessofthepro—pellantandtodecreasethestrain．ItisindicatedthatthemechanicaIpropertiesofthesefuel—richcompositepropellantcompositionsaremainlyaffect—edbythecontentofthebinderan

6、dtheaverageparticlesizeofAP．Keywords：compositepropellants；fuel—richpropellants；mechanicaIproperties；particlesizeofperchlorateoxidizer；binderCLCnumber：T155；V512Documentcode：ADOI：10．11943／j．issn．1006-9941．2015．08．018istic．HiIIstudiedtheefectoftheplasticizert

7、oimprovetheelastomericpropertiesofbindersandhencethemechanicaI1Intr0ductionproperties．Nian。]studiedtheeffectofthefunctionalitygroupFuel-．richpropellantsaretypicallyusedforramjet·rrocketofhydroxyl—terminatedpolybutadienepre—polymer(HTPB)onmotors⋯Fuel—richpr

8、opellantsareclassifiedintometal—load—．thebindernetworkanditscorrelationwiththemechanicaledcompositionswithhighsmokelevels，carboncompositionsproperties．Keizers[’。JmadestudiesonammoniumperchIoratewithmoderatesm