An extended compact tension specimen for fatigue crack growth and fracture testing

Current research programs at NASA Langley Research Center (LaRC), on aging aircraft and high speed civil transport research, have culminated in the development of a versatile extended compact tension specimen, EC(T), for studying fatigue crack growth and fracture behavior of metallic materials. The...

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Bibliographic Details
Published in:International journal of fracture 1995, Vol.76 (3), p.R43-R48
Main Authors: PIASCIK, R. S, NEWMAN, J. C
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Measurement and testing methods
Measurement methods and techniques in continuum mechanics of solids
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:Current research programs at NASA Langley Research Center (LaRC), on aging aircraft and high speed civil transport research, have culminated in the development of a versatile extended compact tension specimen, EC(T), for studying fatigue crack growth and fracture behavior of metallic materials. The elongated compact tension configuration, first studied by Richardson and Goree for ceramic materials fracture testing, is easily adaptable to environmental fatigue crack growth studies. The particular EC(T) specimen configuration, was initially developed at NASA LaRC for first-of-the-kind studies of environmental fatigue crack growth of small surface cracks and long through-thickness cracks in aluminum alloys.
ISSN:0376-9429
1573-2673
DOI:10.1007/BF00048293