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The analysis of fatigue crack growth mechanism and oxidation and fatigue life at elevated temperaturesTwo quantitative models based on experimentally observed fatigue damage processes have been made: (1) a model of low cycle fatigue life based on fatigue crack growth under general-yielding cyclic loading; and (2) a model of accelerated fatigue crack growth at elevated temperatures based on grain boundary oxidation. These two quantitative models agree very well with the experimental observations.
Document ID
19880013603
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Liu, H. W. (Syracuse Univ. NY, United States)
Date Acquired
September 5, 2013
Publication Date
May 1, 1988
Subject Category
Metallic Materials
Report/Patent Number
NASA-CR-182129
NAS 1.26:182129
Accession Number
88N22987
Funding Number(s)
CONTRACT_GRANT: NAG3-348
PROJECT: RTOP 505-63-1B
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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