第46卷第2期固体火箭技术JournalofSolidRocketTechnologyVol.46No.22023Al/HMX复合含能材料的制备及其燃烧特征参数研究①扈颖慧1,2,王旭文1,张健1,梁家燕1,杨玉林1*,林凯峰1,帅永2(1.哈尔滨工业大学化工与化学学院,哈尔滨150001;2.哈尔滨工业大学能源科学与工程学院,哈尔滨150001)摘要:奥克托今(HMX)包覆铝粉(Al)能够有效降低Al的团聚烧结现象并改善其能量释放效率。采用物理混合法、溶剂-反溶剂法和溶剂蒸发诱导自组装法分别制备了三种不同结构的Al/HMX-1、Al/HMX-2和Al/HMX-3复合含能材料。相较于Al/HMX-1和Al/HMX-2,Al/HMX-3复合材料为球形包覆结构,D50为6.651μm,各组分均匀分布。Al/HMX-3复合材料具备最优的热分解性能,其HMX的分解峰温降低到264.3℃,比Al/HMX-1和Al/HMX-2分别降低了~20.0℃和~19.2℃。燃烧性能分析表明,Al/HMX-3复合样品的燃烧更剧烈,团聚烧结现象降低,具有最高的燃烧热和燃烧温度。通过HMX均匀的包覆,HMX分解及时为Al燃烧提供氧化性气体“牢笼”促进Al氧化,并减少Al颗粒之间的相互碰撞导致的团聚。因此,燃烧性能和能量释放效率得到大幅度提升。关键词:铝粉;奥克托今;包覆结构;热分解性能;燃烧温度中图分类号:V512文献标识码:A文章编号:1006-2793(2023)02-0213-11DOI:10.7673/j.issn.1006-2793.2023.02.006StudyonpreparationandcombustioncharacteristicparametersofAl/HMXenergeticcompositesHUYinghui1,2,WANGXuwen1,ZHANGJian1,LIANGJiayan1,YANGYulin1*,LINKaifeng1,SHUAIYong2(1.MIITKeyLaboratoryofCriticalMaterialsTechnologyforNewEnergyConversionandStorage,SchoolofChemistryandChemicalEngineering,HarbinInstituteofTechnology,Harbin150001,China;2.SchoolofEnergyScience&Engineering,HarbinInstituteofTechnology,Harbin150001,China)Abstract:Octogen(HMX)coatedaluminumpowder(Al)caneffectivelyreduceitsagglomerationandsinteringphenomenonofAlandimprovethecombustionperformance.ThreekindsofAl/HMXenergeticcomposites(Al/HMX-1,Al/HMX-2andAl/HMX-3)withdifferentmorphologyandstructureswerepreparedbyphysicalmixingmethod,solvent-antisolventmethodandsolventevapo-ration-inducedself-assemblymethod.ComparedwiththeAl/HMX-1andAl/HMX-2,Al/HMX-3hasasphericalencapsulatedstruc-turewithD50of6.651μm,andallcomponentsaree...