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Errors due to Counting Statistics in the Triaxial Strain (Stress) Tensor Determined by Diffraction

Published online by Cambridge University Press:  06 March 2019

P. Rudnik
Affiliation:
Department of Materials Science and Engineering The Technological Institute Northwestern University Evanston, IL 602-01
J. B. Cohen
Affiliation:
Department of Materials Science and Engineering The Technological Institute Northwestern University Evanston, IL 602-01
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Extract

Knowledge of the errors in a diffraction measurement of residual strains and stresses is useful information, not only in its own right, but also because it permits automation of a measurement to an operator-specified precision. There are three sources of these errors.

Type
Research Article
Copyright
Copyright © International Centre for Diffraction Data 1985

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References

1) James, M.R. and Cohen, J.B., Study of the Precision of X-ray Stress Analysis, Adv. X-ray Analysis, 20: 291 (1977).Google Scholar
2) Marion, R.H., “X-ray Stress Analysis in Plastically Deformed Metals”, Ph.D. Thesis, Northwestern University (1973).Google Scholar
3) Taira, S., Abe, T. and Ehiro, T., X-ray Study of Surface Residual Stress Produced in Fatigue Process of Annealed Metals, Bull J. S. M. E., 12:53, 947(1969).Google Scholar
4) Perry, K., Noyan, I.C., Rudnik, P.J. and Cohen, J.B., “The Measurement of Elastic Constants for the Determination of Stresses by X-rays Adv. X-ray Analysis, 27: 159 (1984).Google Scholar
5) Dolle, H. and Cohen, J.B., Residual Stresses in Ground Steels, Met. Trans., 11A :831 (1980).Google Scholar
6) Noyan, I.C., Equilibrium Conditions for the Average Stress Measured by X-rays, Met. Trans., 14A:1907(1983).Google Scholar
7) Krawitz, A.D., Brune, J.E. and Schmank, M.J., Measurement of Stress in the Interior or of Solids with Neutrons in: “Residual Stresses and Stress Relaxation”, Kula, E. and Weiss, V. eds., Plenum Press New York (1982).Google Scholar
8) Noyan, I.C., Determination of the Unstressed Lattice Parameter, “a0” for (Triaxial) Residual Stress Determined by X-rays, Adv. X-ray Analysis. 28: 281-238 (1985).Google Scholar
9) Davies, O. and Goldsmith, P., Statistical Methods in Research and Production, Hafner Publ. Co., New York (1952).Google Scholar