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Stress Distribution Around a Central Crack in a Plate Loaded in Tension ; Effect of Finite Width of Plate

Published online by Cambridge University Press:  04 July 2016

J. R. Dixon
J. R. Dixon*
Affiliation:
National Engineering Laboratory, East Kilbride, Glasgow
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Extract

The purpose of the work was to investigate the effect of the finite width of plate on the elastic-stress distribution due to a central crack in a flat plate loaded in tension.

The range of investigation: (i) Two-dimensional photoelastic tests were carried out on flat-plate specimens. The photoelastic specimens were geometrically similar to the 10 in. wide fatigue specimens used by Frost and Dugdale, with the central crack simulated by a slot bounded by holes of small radii, (ii) A theoretical solution of the problem was derived and compared with the present and other photoelastic results.

It is shown that the effect of the crack-length/plate-width ratio on the elastic-stress concentration at the head of the crack can be expressed by the following formulae:

Information

Type
Research Article
Information
The Aeronautical Journal , Volume 64 , Issue 591 , March 1960 , pp. 141 - 145
Copyright
Copyright © Royal Aeronautical Society 1960

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References

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