High temperature steam oxidation of SiC coating layer of TRISO fuel particles

被引：33

作者：

Terrani, Kurt A. ^{[1
]}

Silva, Chinthaka M. ^{[1
]}

机构：

[1] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

来源：

JOURNAL OF NUCLEAR MATERIALS | 2015年 / 460卷

关键词：

DEPOSITED SILICON-CARBIDE; WATER-VAPOR; LIGHT-WATER; KINETICS;

D O I：

10.1016/j.jnucmat.2015.02.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

High-temperature oxidation behavior of SiC coating layer of TRISO fuel particles in 1500-1700 degrees C steam at 1 atm has been examined inside a zirconia furnace. The SiC coating layers experienced a thickness loss of less than 2.51.mu m under these conditions up to 24 h. The thickness of the oxide layer formed under these conditions was consistent with prior steam oxidation tests on high-purity bulk SiC. Upon reducing the presence volatile impurities from the test environment (particularly Al) by conducting the tests inside a zirconia furnace, melting of the silica layer at 1700 degrees C was avoided. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：160 / 165

页数：6

共 25 条

[1]

[Anonymous], 1993, TECDOC784 IAEA

[2]

Carpenter DavidMichael., 2010, An assessment of silicon carbide as a cladding material for light water reactors

[3] Oxidation of PCEA nuclear graphite by low water concentrations in helium [J].