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18 分钟
加州理工研发出新材料:可在流体与固体状态间自由切换
实验结果显示,PAMs能够根据施加的应力在流体和固体状态之间切换。周文杰解释说,在剪切应力下,PAMs表现得像水一样“零阻力”,因为其内部组件像链条一样相互滑动;而在压缩下,这些结构则变得完全刚性,表现出固体的特性。
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