靠眼镜。
On the strength of glasses.
机构信息
Center for Theoretical Biological Physics, Rice University, Houston, TX 77005, USA.
出版信息
Proc Natl Acad Sci U S A. 2012 Oct 2;109(40):16068-72. doi: 10.1073/pnas.1214130109. Epub 2012 Sep 17.
Abstract
The remarkable strength of glasses is examined using the random first order transition theory of the glass transition. The theory predicts that strength depends on elastic modulus but also on the configurational energy frozen in when the glass is prepared. The stress catalysis of cooperative rearrangements of the type responsible for the supercooled liquid's high viscosity account quantitatively for the measured strength of a range of metallic glasses, silica, and a polymer glass.
摘要
利用玻璃转变的随机一阶转变理论研究了玻璃的显著强度。该理论预测强度取决于弹性模量，但也取决于制备玻璃时冻结的构象能。与过冷液体高粘度有关的协同重排的应力催化定量解释了一系列金属玻璃、二氧化硅和聚合物玻璃的测量强度。
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