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Assessment of materials for containment of nuclear fuel waste. Environment-sensitive fracture of titanium

Technical Report:

Abstract

As part of the assessment program for container materials for the long-term disposal of nuclear fuel waste, a test involving slow tensile straining at 10{sup -5} mm/s has been developed to study the effect of hydrogen on the fracture behaviour of titanium. Compact tension specimens of Grade-2 and Grade-12 material have been precracked in fatigue before charging with hydrogen at various concentrations up to 3000 wppm and then straining to failure. At low hydrogen concentrations, propagation of a slow crack may be followed at higher stress intensities by fast brittle failure, whereas at high concentrations the majority of materials suffer only fast brittle failure at stress intensity factors that decrease with increasing hydrogen content. The resistance of both Grade-2 and Grade-12 titanium to embrittlement by hydrogen is more dependent upon microstructure, and particularly the distribution of {beta}-phase, than upon the concentration of basal poles lying perpendicular to the principal fracture plane.
Publication Date:
Aug 01, 1992
Product Type:
Technical Report
Report Number:
AECL-10477; COG-92-162.
Reference Number:
SCA: 052002; PA: AIX-24:007796; SN: 93000932575
Resource Relation:
Other Information: PBD: Aug 1992
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; SPENT FUEL STORAGE; CONTAINERS; TITANIUM ALLOYS; MECHANICAL TESTS; CRACKS; FRACTURE PROPERTIES; FRACTURES; HYDROGEN; SPENT FUEL ELEMENTS; SPENT FUELS; 052002; WASTE DISPOSAL AND STORAGE
OSTI ID:
10119203
Research Organizations:
Atomic Energy of Canada Ltd., Pinawa, MB (Canada). Whiteshell Nuclear Research Establishment; Ontario Hydro, Toronto, ON (Canada)
Country of Origin:
Canada
Language:
English
Other Identifying Numbers:
Other: ON: DE93612744; TRN: CA9201039007796
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
[51] p.
Announcement Date:
Jun 30, 2005

Technical Report:

Citation Formats

Clarke, C F, Hardie, D, and Ikeda, B M. Assessment of materials for containment of nuclear fuel waste. Environment-sensitive fracture of titanium. Canada: N. p., 1992. Web.
Clarke, C F, Hardie, D, & Ikeda, B M. Assessment of materials for containment of nuclear fuel waste. Environment-sensitive fracture of titanium. Canada.
Clarke, C F, Hardie, D, and Ikeda, B M. 1992. "Assessment of materials for containment of nuclear fuel waste. Environment-sensitive fracture of titanium." Canada.
@misc{etde_10119203,
title = {Assessment of materials for containment of nuclear fuel waste. Environment-sensitive fracture of titanium}
author = {Clarke, C F, Hardie, D, and Ikeda, B M}
abstractNote = {As part of the assessment program for container materials for the long-term disposal of nuclear fuel waste, a test involving slow tensile straining at 10{sup -5} mm/s has been developed to study the effect of hydrogen on the fracture behaviour of titanium. Compact tension specimens of Grade-2 and Grade-12 material have been precracked in fatigue before charging with hydrogen at various concentrations up to 3000 wppm and then straining to failure. At low hydrogen concentrations, propagation of a slow crack may be followed at higher stress intensities by fast brittle failure, whereas at high concentrations the majority of materials suffer only fast brittle failure at stress intensity factors that decrease with increasing hydrogen content. The resistance of both Grade-2 and Grade-12 titanium to embrittlement by hydrogen is more dependent upon microstructure, and particularly the distribution of {beta}-phase, than upon the concentration of basal poles lying perpendicular to the principal fracture plane.}
place = {Canada}
year = {1992}
month = {Aug}
}