Metastable eutectic, gas to solid, condensation in the FeO-Fe2O3-SiO2 system

被引：42
|
作者：
Rietmeijer, FJM [1 ]
Nuth, JA
Karner, JM
机构：
[1] Univ New Mexico, Dept Earth & Planetary Sci, Inst Meteorit, Albuquerque, NM 87131 USA
[2] NASA, Goddard Space Flight Ctr, Extraterr Phys Lab, Greenbelt, MD 20771 USA
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 1999年 / 1卷 / 07期
关键词：
D O I：
10.1039/a900053d
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：
Non-equilibrium gas to solid condensation produced three distinct groupings of ferrosilica solids with compositions similar to 15, 30 and 87.5 wt.% FeO (or, similar to 17, 33 and 97 wt.% Fe2O3). These solid compositions define metastable eutectic points in the FeO/Fe2O3-SiO2 binary system. The position of a silica-rich metastable eutectic is sensitive to the ratio FeO : Fe2O3 during gas-to-solid quenching. The Fe-rich metastable eutectic indicates a two-liquid held in this revised pseudo-binary equilibrium phase diagram.
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收藏
页码：1511 / 1516
页数：6
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