Description of stress-strain curves by three parameters
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Author
Contributions
- Osgood, William R. - Contributor
- United States. National Advisory Committee for Aeronautics - Contributor
Publication
1943 - National Advisory Committee for Aeronautics, Washington D.C, District of Columbia
Language
English
Word Count
3,750 words, Guess
Page Count
15 pages
Identifiers
- ISBN-101680156039
- ISBN-139781680156034
- OCLC Control Number914158502
- Open LibraryOL44477635M
Classifications
- DDC620.11292
- LCCTA404.8
Description
A simple formula is suggested for describing the stress-strain curve in terms of three parameters: namely, Young's modulus and two secant yield strengths. Dimensionless charts are derived from this formula for determining the stress-strain curve, the tangent modulus, and the reduced modulus of a material for which these three parameters are given. Comparison with the tensile and compressive data on aluminum alloy, stainless-steel, and carbon-steel sheet in NACA Technical Note No. 840 indicates that the formula is adequate for most of these materials. The formula does not describe the behavior of alclade sheet, which shows a marked change in slope at low stress. It seems probable that more than three parameters will be necessary to represent such stress-strain curves adequately.
Subjects
Topics
Series Statement
- National Advisory Committee for Aeronautics technical note -- no. 902
- Technical note (United States. National Advisory Committee for Aeronautics) -- no. 902.
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