Determination of Shear Stress-Strain Curve From Torsion Tests for Loading-Unloading and Cyclic Loading

This paper discusses a method, based on Nadai’s solution, which can be used to determine the true (Cauchy) shear stress-strain curve of a material by means of torsion test of a solid shaft. The method is shown to be applicable to loading, unloading and cyclic loading. It is also applicable to fixed-...

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Bibliographic Details
Published in:Journal of engineering materials and technology 1997-01, Vol.119 (1), p.113-115
Main Authors: Wu, Han-Chin, Xu, Zhiyou, Wang, Paul T
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:This paper discusses a method, based on Nadai’s solution, which can be used to determine the true (Cauchy) shear stress-strain curve of a material by means of torsion test of a solid shaft. The method is shown to be applicable to loading, unloading and cyclic loading. It is also applicable to fixed-end torsion of a solid shaft in the large shear strain range. A modified method has also been derived for the case of free-end torsion of a tubular specimen in the large strain range.
ISSN:0094-4289
1528-8889
DOI:10.1115/1.2805963