Published June 1985 | Version v1
Report Restricted

Zircaloy oxidation studies

Creators

Description

The oxidation kinetics of Zircaloy-4 in steam have been determined at 1300-24000C. Growth of the ZrO2 and α-Zr layers display parabolic behavior over the entire temperature range studied. A discontinuity in the oxidation kinetics at 15100C causes rates to increase above those previously established by the Baker-Just relationship. This increase coincides with the tetragonal-to-cubic phase transformation in ZrO/sub 2-x/. No discontinuity in the oxide growth rate is observed upon melting of Zr(0). The effects of temperature gradients have been taken into account and corrected values representative of near-isothermal conditions have been computed

Availability note (English)

MF available from INIS under the Report Number; Available from NTIS, PC A02/MF A01; 1 as DE86001766.

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Additional details

Publishing Information

Imprint Pagination
23 p.
Report number
PNL-SA--13372

Conference

Title
ASM metals congress - international conference on surface modifications.
Dates
13-18 Oct 1985.
Place
Toronto, Ontario (Canada).

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
17027420
Subject category
S36: MATERIALS SCIENCE; S21: SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ALLOY-ZR98SN-4; CHEMICAL REACTION KINETICS; OXIDATION; STEAM; VERY HIGH TEMPERATURE
Descriptors DEC
ALLOYS; CHEMICAL REACTIONS; CHROMIUM ADDITIONS; CORROSION RESISTANT ALLOYS; HEAT RESISTING ALLOYS; IRON ADDITIONS; KINETICS; REACTION KINETICS; TIN ALLOYS; ZIRCALOY; ZIRCONIUM ALLOYS; ZIRCONIUM BASE ALLOYS

Optional Information

Secondary number(s)
CONF-8510160--3.