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气凝胶复合材料在航天领域中的应用 被引量:3

Application of Aerogel Composite Material on Aerospace
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摘要 气凝胶是一种高孔隙率、高比表面积的三维网络状结构的纳米材料。气凝胶独特的纳米结构能有效抑制材料的固体热传导和气体对流传热,是一种性能优异的“超级隔热材料”。此外,与传统的保温材料相比,气凝胶具有轻质、不燃、疏水等特点,符合航空航天领域对隔热、轻质的要求,在美国等国家得到了广泛应用。 Aerogel is a three-dimensional network structure nanomaterial with high porosity and high specific surface area.The unique nanostructure of aerogel can effectively inhibit the solid heat conduction and gas thermal convection,and thus aerogel is a“super thermal insulation material”with excellent performance.In addition,compared with traditional thermal insulation materials,aerogel has the characteristics such as light weight,noncombustibility,and hydrophobicity,and meets the requirements of heat insulation and light weight in the aerospace field.Therefore,aerogel has been widely used in many countries such as the United States.
作者 李增荣 王志平 LI Zengrong;WANG Zhiping(Naval Representative Office of Navy Equipment Department in Shanghai,Shanghai 201206,China)
出处 《上海航天(中英文)》 CSCD 2021年第6期139-145,共7页 Aerospace Shanghai(Chinese&English)
关键词 气凝胶复合材料 绝热 航天 防火 减重 aerogel composite material adiabatic aerospace fire prevention weight loss
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