复合材料科学与工程Issue(10)：40-44,64,6.DOI:10.19936/j.cnki.2096-8000.20241028.006
稀土掺杂硅基气凝胶及其复合材料的制备与性能研究
Preparation and properties of rare earth doped silicon-based aerogels and composites
摘要
Abstract
In order to obtain aerogel insulation materials with resistance to γ radiation,a rare earth-based aero-gel composite material was developed in this paper obtained by hydrolysis and polycondensation.Silica sol,gadolini-um nitrate and lanthanum nitrate were used to obtain a rare earth-based aerogel composite material with glass fiber.The results show that rare earth-based aerogels have typical characteristics of nanoporous materials.After heat treat-ment at 900 ℃,both the shrinkage rate and the specific surface area of gadolinium-based aerogels are much smaller than that of SiO2 aerogels,besides,there is no difference of the mechanical properties of gadolinium-based aerogel composite materials after irradiation treatment,which indicates that the materials has both radiation resistance and thermal insulation properties,providing an important guarantee for the safe and efficient operation of nuclear reactors.关键词
稀土基/复合气凝胶/耐辐射/隔热/复合材料Key words
rare earth base/composite aerogel/radiation resistance/heat insulation/composites分类
通用工业技术引用本文复制引用
杨斌,孙良友,阳立芬,高庆福,李慕一..稀土掺杂硅基气凝胶及其复合材料的制备与性能研究[J].复合材料科学与工程,2024,(10):40-44,64,6.基金项目
湖南省创新型省份建设专项高新技术产业科技创新引领计划(2022GK4050) （2022GK4050）
