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Experiments for Calibration and Validation of Plasticity and Failure Material Modeling: 6061-T651 Aluminum

Lee, Kenneth L.; Korellis, John S.; Rogillio, Brendan R.

Experimental data for material plasticity and failure model calibration and validation were obtained from 6061-T651 aluminum, in the form of a 4-in. diameter extruded rod. Model calibration data were taken from smooth tension, notched tension, and shear tests. Model validation data were provided from experiments using thin-walled tube specimens subjected to path-dependent combinations of internal pressure, extension, and torsion.

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TYPE SAND Report YEAR 2008
OSTIDOI

An experimental procedure to validate a 2D plane stress buttress thread loaded in tension

Proceedings of the 2005 SEM Annual Conference and Exposition on Experimental and Applied Mechanics

Rogillio, Brendan R.; Sanders, Jessica D.

The structural characteristics of buttress thread mechanical joints are not well understood and are difficult to accurately model. As an initial step towards understanding the mechanics of the buttress thread, a 2D plane stress model was created. An experimental investigation was conducted to study the compliance, damping characteristics, and stress field in an axial test condition. The compliance and damping were determined experimentally from a steel cross section of a buttress thread. The stress field was visualized using photoelastic techniques. The mechanics study combined with the photoelastic study provided a set of validation data.

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TYPE Conference YEAR 2005
ScopusOSTI
11 Results
11 Results