Structural changes between soda-lime silicate glass and melt

被引：47
作者：
Cormier, Laurent [1 ]
Calas, Georges [1 ]
Beuneu, Brigitte [2 ]
机构：
[1] Univ Paris 07, Univ Paris 06, CNRS,IPGP, UMR 7590,Inst Mineral & Phys Milieux Condenses, F-75005 Paris, France
[2] CE Saclay, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2011年 / 357卷 / 03期
关键词：
Structure; Silicate; Neutron scattering; MEDIUM-RANGE ORDER; X-RAY-DIFFRACTION; NEUTRON-DIFFRACTION; MOLECULAR-DYNAMICS; TRANSPORT-PROPERTIES; THERMAL-EXPANSION; TOTAL SCATTERING; CA-MG; LIQUIDS; SIMULATIONS;
D O I：
10.1016/j.jnoncrysol.2010.10.014
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Neutron diffraction has been used to study the structure of a glass and melt of composition 75SiO(2)-15Na(2)O-10CaO. RMC modeling of the neutron and X-ray diffraction data for the glass allowed the determination of the Na and Ca environment. The structure has been investigated at 300K, just below the glass transition at 823 K and in the melt at 1273 K The short range order does not present important modifications with temperature while significant reorganization appears at the medium range order. These latter changes can be associated with the Si and O pairs and indicate the relaxation of the silicate network. This indicates that the glass formation involved structural rearrangement during cooling. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：926 / 931
页数：6
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