综述了纳米晶体材料和纳米碳管材料的力学性能研究的最新进展.实验数据表明纳米晶体材料的强度与其晶粒尺寸大小的关系并不遵循Hall-Petch方程.相对于常规晶体材料,纳米材料的超塑性发生在更低的温度和更高的应变速率下.理论计算和实验数据表明:纳米碳管是一种有着高刚性、高强度、高韧性和低密度的材料.纳米晶体材料和纳米碳管的异常的力学性能已经有了一些应用实例.
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