High-temperature tests of silicon carbide composite cladding under GFR conditions

被引：8

作者：

Avincola, Valentina Angelici ^{[1
]}

Fitzgerald, Kerr ^{[2
]}

Shepherd, Daniel ^{[2
]}

Kinay, Didem ^{[1
]}

Sauder, Cedric ^{[3
]}

Steinbrueck, Martin ^{[1
]}

机构：

[1] Karlsruhe Inst Technol, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

[2] Natl Nucl Lab, Havelock Rd, Workington, England

[3] Univ Paris Saclay, CEA, DEN Serv Rech Met Appl, F-91191 Gif Sur Yvette, France

来源：

INTERNATIONAL YOUTH NUCLEAR CONGRESS 2016, IYNC2016 | 2017年 / 127卷

关键词：

Silicon carbide composites; oxidation; gas fast reactors; kinetics; WATER-VAPOR; OXIDATION; FUEL; PERFORMANCE; HELIUM;

D O I：

10.1016/j.egypro.2017.08.116

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents the results of tests performed on selected cladding materials in a well-defined atmosphere that reproduces the environment expected in a gas-fast nuclear reactor. In particular, the feasibility of silicon carbide composites is investigated in helium with impurities by means of a thermogravimetric device. The temperatures of the tests are in the range of normal operation conditions (900-1000 degrees C) and accident conditions (up to 1500 degrees C) of a gas fast reactor. Post-test analyses are carried out with scanning electron microscope. This work reports the transition temperature between passive and active oxidation of silicon carbide in helium and impurities atmosphere. Kinetics constants are provided for the linear weight loss. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：320 / 328

页数：9

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