NASA NTRS · 19870029975
A subsized fatigue specimen
Abstract
A subsized fatigue specimen has been designed to overcome the difficulty of machining a full-sized specimen from cast superalloy components. A finite element analysis confirmed that the stress was maximum at the gauge section for any given set of clamping and tensile loads, and that the stresses developed due to clamping forces were negligible compared with those due to tensile or compressive loads. Fatigue data generated using subsized specimens of AISI 4130 steel, 2024-T4 aluminum alloy and 6Al-4V titanium alloy compared well with those available in the literature for full-sized specimens.
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Jeelani, S., Natarajan, R., Reddy, G. R.. 1986-07-01. A subsized fatigue specimen. https://ntrs.nasa.gov/citations/19870029975
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