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循环冻融下寒区工程常用保温材料性能变化试验研究
李凌洁1,2(), 穆彦虎1,2(), 明锋1,2, 朱小明3, 张坤4, 庞小冲3
Laboratory tests on impacts of cyclic freeze-thaw on properties of thermal insulation materials used in cold regions engineering
Lingjie LI1,2(), Yanhu MU1,2(), Feng MING1,2, Xiaoming ZHU3, Kun ZHANG4, Xiaochong PANG3

图9. 4种材料的扫描电镜图像

Fig.9. Scanning electron microscopy images of four thermal insulation materials