| 标题 |
 Highly Deformable High-Strength SiO2 Aerogel Designed with an Alternating Structure of Hard Cores and Flexible Chains for Thermal Insulation 高变形高强度SiO2气凝胶，采用硬芯和柔性链交替结构设计，用于隔热
相关领域
气凝胶
材料科学
复合材料
极限抗拉强度
保温
抗压强度
聚合物
陶瓷
多孔性
硅酸铝
压缩（物理）
图层（电子）
生物化学
化学
催化作用
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| 网址 | |
| DOI | |
| 其它 | Thermally insulating aerogels can now be prepared from ceramics, polymers, carbon, and metals and composites between them. However, it is still a great challenge to make aerogels with high strength and excellent deformability. We propose a design concept of hard cores and flexible chains that alternately construct the aerogel skeleton structure. The approach gives the designed SiO2 aerogel excellent compressive (fracture strain 83.32%), tensile. and shear deformabilities, corresponding to maximum strengths of 22.15, 1.18, and 1.45 MPa, respectively. Also, the SiO2 aerogel can stably perform 100 load–unload cycles at a 70% large compression strain, demonstrating an excellent resilient compressibility. In addition, the low density of 0.226 g/cm3, the high porosity of |
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