Recovery and Creep in an Alloy Steel

H. Lequear; J. Lubahn

doi:10.1520/STP41689S

SYMPOSIA PAPER Published: 01 January 1953

STP41689S

Recovery and Creep in an Alloy Steel

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By interrupting a creep test and observing that the creep rate is higher afterward than before by amounts increasing with the duration of the interruption, it is possible to establish that recovery (reduction of the amount of strain hardening) has occurred. Recovery occurs in quenched-and-tempered chromium-molybdenum-vanadium steel at 1000F, but not at 800F.

When recovery occurs, the plastic creep rate becomes constant—sooner for smaller stresses, and apparently immediately for a sufficiently small stress. When recovery does not occur, the plastic creep rate decreases continuously. Recovery does not cause the creep, however, for pronounced creep occurs at temperatures where no recovery occurs.

Author Information

Lequear, H., A.

General Electric Research Laboratory, Schenectady, N.Y.

Lubahn, J., D.

General Electric Research Laboratory, Schenectady, N.Y.

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Details

Developed by Committee: E04

Pages: 163–183

DOI: 10.1520/STP41689S

ISBN-EB: 978-0-8031-5920-4

ISBN-13: 978-0-8031-6074-3

Recovery and Creep in an Alloy Steel

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