Influence of support friction on three-point bend test

One of the most commonly used tests for the experimental determination of the stress intensity factor is the so-called three-point bend test which has been adopted as a standard test by the American Society for Testing and Materials. It has been verified that the actual boundary conditions, i.e. sup...

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Bibliographic Details
Published in:The International journal of pressure vessels and piping 1992, Vol.51 (3), p.373-380
Main Authors: Doz, Graciela N., Riera, Jorge D.
Format: Article
Language:English
Subjects:
bending
Exact sciences and technology
friction
Fundamental areas of phenomenology (including applications)
materials testing
Measurement and testing methods
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:One of the most commonly used tests for the experimental determination of the stress intensity factor is the so-called three-point bend test which has been adopted as a standard test by the American Society for Testing and Materials. It has been verified that the actual boundary conditions, i.e. support friction, play an important role in the stress intensity factor in the three-point bend specimen. In this paper the stress intensity factor considering friction at the supports is determined by a novel procedure, which may be of interest to researchers working on the numerical evaluation of stress concentration factors.
ISSN:0308-0161
1879-3541
DOI:10.1016/0308-0161(92)90108-R