Does coarsening begin during the initial stages of spinodal decomposition?

被引：14

作者：

Rappl, TJ ^{[1
]}

Balsara, NP

机构：

[1] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Mat Sci Div & Environm Energy Technol Div, Berkeley, CA 94720 USA

来源：

JOURNAL OF CHEMICAL PHYSICS | 2005年 / 122卷 / 21期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.1905584

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The initial stages of spinodal decomposition were studied by subjecting a critical blend of model polyolefins to a pressure quench and monitoring the evolution by time-resolved small angle neutron scattering. Contrary to the predictions of the widely accepted Cahn-Hilliard-Cook theory, we demonstrate that coarsening of the phase-separated structure begins immediately after the quench and occurs throughout the initial stages of spinodal decomposition. (c) 2005 American Institute of Physics.

引用

页数：4

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