【摘 要】
：
树脂基复合材料具有比金属材料高得多的比强度和比刚度，在航天运载火箭、航天卫星和大型低温工程等低温领域应用前景广阔。但传统树脂基复合材料在极低温环境下力学性能(
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树脂基复合材料具有比金属材料高得多的比强度和比刚度，在航天运载火箭、航天卫星和大型低温工程等低温领域应用前景广阔。但传统树脂基复合材料在极低温环境下力学性能(尤其是韧性)较差，开展有关高性能复合材料极低温力学行为研究具有重大战略意义。本报告将介绍本课题组近年来在树脂基复合材料低温力学行为方面的研究进展，具体包括如何利用碳纳米管、氧化石墨烯等纳米碳材料影响环氧树脂在常温和低温(77K)下的力学行为，提高材料在低温下的强度、模量及层间剪切强度等。
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