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Strain Rate Changes During The Tensile Test

Published online by Cambridge University Press:  04 July 2016

R. K. Penny
R. K. Penny*
Affiliation:
University Engineering Department, Cambridge
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Extract

Rates of straining that are met in various engineering parts vary considerably from the very small values appropriate to creep to those amounts many orders of magnitude higher that are necessary during metal working processes. If laboratory testing is to follow the ideas of Taira on creep or McLellan on the effects of strain rate on the Ramberg-Osgood constituitive relationships it is necessary to enquire whether conventional testing procedures are adequate. Bodner and Rosen have shown that the phenomenon of discontinuing yielding is solely a function of a testing procedure which allows strain rate changes because of the interaction of specimen stiffness changes and the machine stiffness.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 71 , Issue 684 , December 1967 , pp. 853 - 854
Copyright
Copyright © Royal Aeronautical Society 1967

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References

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