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Analytical Round Robin for Elastic-Plastic Analysis of Surface Cracked Plates, Phase II ResultsThe second phase of an analytical round robin for the elastic-plastic analysis of surface cracks in flat plates was conducted under the auspices of ASTM Interlaboratory Study 732. The interlaboratory study (ILS) had 10 participants with a broad range of expertise and experience, and experimental results from a surface crack tension test in 4142 steel plate loaded well into the elastic-plastic regime provided the basis for the study. The participants were asked to evaluate a surface crack tension test according to the version of the surface crack initiation toughness testing standard published at the time of the ILS, E2899-13. Data were provided to each participant that represent the fundamental information that would be provided by a mechanical test laboratory prior to evaluating the test result. Overall, the participant’s test analysis results were in good agreement and constructive feedback was received that has resulted in an improved published version of the standard E2899-15.
Document ID
20170004487
Acquisition Source
Marshall Space Flight Center
Document Type
Technical Memorandum (TM)
Authors
Allen, P. A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Wells, D. N. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
May 9, 2017
Publication Date
March 1, 2017
Subject Category
Structural Mechanics
Report/Patent Number
M-1424
NASA/TM-2017-218233
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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