Published August 1980 | Version v1
Report Restricted

Strength and fracture characteristics of HTGR thermal barrier ceramics

Creators

Description

The design of core support pads and cover blocks for the high-temperature gas-cooled reactor (HTGR) requires a detailed knowledge of the structural integrity of commercial ceramics. This report gives the baseline strengths and fractography of candidate Al2O3, Si3N4, and fused SiO2 materials. Diametral-compressive and four-point bend strengths were determined between 200 to 12000C in dry helium. Chemistry, microstructure, and fracture surfaces were correlated with the mechanical behavior

Availability note (English)

MF available from INIS under the Report Number; Available from NTIS., PC A07/MF A01.

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Additional details

Publishing Information

Imprint Pagination
126 p.
Report number
GA-A--15929

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
12582258
Subject category
S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; S36: MATERIALS SCIENCE;
Descriptors DEI
ALUMINIUM OXIDES; DATA; FRACTURE PROPERTIES; HTGR TYPE REACTORS; MICROSTRUCTURE; REACTOR CORES; SILICON NITRIDES; SILICON OXIDES; THERMAL SHIELDS
Descriptors DEC
ALUMINIUM COMPOUNDS; CHALCOGENIDES; CRYSTAL STRUCTURE; GAS COOLED REACTORS; GRAPHITE MODERATED REACTORS; INFORMATION; MECHANICAL PROPERTIES; NITRIDES; NITROGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; REACTOR COMPONENTS; REACTORS; SHIELDS; SILICON COMPOUNDS