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Experimental techniques for predicting fatigue failure of cannon-breech mechanisms

A technique for predicting fatigue behavior of full-scale breech components for large-caliber cannon from small-specimen tests is investigated

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Abstract

In this paper a technique for predicting thread fatigue behavior for full-scale cannon-breech mechanisms from small-specimen tests is investigated. A thread load-distribution factor is determined experimentally for the breech ring and breech-block components by measurement of the thread fillet strains at breech-chamber pressures of 49,500 psi. A comparison of small-specimen thread fatigue data with the results of full-scale breech-component test results is given for several thread geometries.

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References

  1. Weigle, R. E., Lasselle, R. R., andPurtell, J. P., “Experimental Investigation of the Fatigue Behavior of Thread-type Projections,”Experimental Mechanics,3 (5),105–111 (1963).

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  2. Bluhm, J. I., andFlanagan, J. H., “A Procedure for the Elastic Stress Analysis of Threaded Connections Including the Use of an Electrical Analogue,”Proc. Soc. Exp. Stress Anal. XV (1),77–84 (1957).

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  3. Weigle, R. E., “Dynamic and Static Analysis of Strains in Breechblock Components of Large-caliber Weapons,”Experimental Mechanics,4 (2),40–53 (1964).

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Authors and Affiliations

  1. Research and Engineering Labs, Watervliet Arsenal, Watervliet, N. Y.

    R. E. Weigle (Chief Scientist) & R. R. Lasselle (Mechanical Engineer)

Authors
  1. R. E. Weigle
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  2. R. R. Lasselle
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Weigle, R.E., Lasselle, R.R. Experimental techniques for predicting fatigue failure of cannon-breech mechanisms. Experimental Mechanics 5, 47–52 (1965). https://doi.org/10.1007/BF02322910

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  • DOI: https://doi.org/10.1007/BF02322910

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