Thermodynamic assessment of the B-C-Si system

被引：22

作者：

Chen, H. M. ^{[1
]}

Qi, H. Y. ^{[1
]}

Zheng, F. ^{[1
]}

Liu, L. B. ^{[1
]}

Jin, Z. P. ^{[1
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 481卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

Thermodynamic assessment; Phase diagram; B-C-Si system; Ultra-high temperature ceramic; BORON-CARBIDE; PHASE-EQUILIBRIA; CARBON-ATOMS; SILICON;

D O I：

10.1016/j.jallcom.2009.03.044

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：

Based on the critically assessed B-Si phase diagram, one alloy in the Si-rich side was selected and the temperature of the eutectic reaction L <-> (Si) + SiB6, was measured to be 1636 K by means of DSC. Using a regular substitutional model for the liquid phase, the B-Si system was reassessed and extrapolated to higher-order systems. Thermodynamic description for the B-C-Si system was developed based on critically reviewed experimental data. The calculated phase diagrams were in good agreement with available experimental data. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：182 / 189

页数：8

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