AI 中文总结
该研究通过传统弹性理论结合体积守恒产生的非局域热力耦合,解释弹性体中源于弹性与热力学相互作用尺度不匹配的微相形成,重现了相变温度和畴尺寸对弹性体刚度的依赖关系。
AI 中文摘要
弹性在调控物理系统的相分离中常起关键作用,近期实验表明弹性效应可用于控制溶胀弹性体中的微相分离,该微相分离源于弹性与热力学相互作用的特征长度尺度不匹配。在本两部分论文的第一部分中,我们证明弹性体中的微相形成可通过传统弹性理论解释,该理论源于体积守恒产生的非局域热力耦合;我们的理论重现了各向同性溶胀弹性体中相变温度和畴尺寸对弹性体刚度的依赖关系。在配套论文中,我们将研究各向异性溶胀及非均匀弹性模量的影响。
英文摘要
Elasticity often plays a key role in regulating phase separation in physical systems. Recent experiments have shown that elastic effects can be used to control microphase separation in swollen elastomers. Here, microphase separation arises from a mismatch between the characteristic length scales of elastic and thermodynamic interactions. In this first part of a two-part paper, we show that microphase formation in elastomers can be explained using conventional theories of elasticity through a nonlocal thermodynamic-elastic coupling arising from volume conservation. Our theory reproduces the observed dependence of phase transition temperature and domain size on elastomer stiffness in isotropically swollen elastomers. In the companion paper, we investigate the effects of anisotropic swelling and inhomogeneous elastic moduli.
Comments13 pages, 6 figures