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C-shaped specimen plane strain fracture toughness tests

Author
Buzzard, R. T.
Published
Jul 1, 1977.
Physical Description
1 electronic document
Additional Creators
Fisher, D. M.
Online Version

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Restrictions on Access
Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Test equipment, procedures, and data obtained in the evaluation of C-shaped specimens are presented. Observations reported on include: specimen preparation and dimensional measurement; modifications to the standard ASTM E 399 displacement gage, which permit punch mark gage point engagement; and a measurement device for determining the interior and exterior radii of ring segments. Load displacement ratios were determined experimentally which agreed with analytically determined coefficients for three different gage lengths on the inner surfaces of radially-cracked ring segments.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19770023556.
Accession ID: 77N30500.
E-9291.
NASA-TM-73731.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15731446