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Residual Stress Measurements by Means of Neutron Diffraction

Published online by Cambridge University Press:  21 February 2011

H. J. Prask  and
C. S. Choi
H. J. Prask
Affiliation:
Reactor Radiation Division, MSEL, National Institute of Standards and Technology, Gaithersburg, MD 20899
C. S. Choi
Affiliation:
Guest scientist from ARDEC, Picatinny Arsenal, NJ
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Abstract

Energy-dispersive neutron diffraction has been developed at the NIST reactor as a probe of sub- and near-surface residual stresses in technological samples. Application of the technique has been made to a variety of metallurgical specimens which includes the determination of tri-axial stresses as a function of depth in a number of uranium-3/4wt%Ti samples with different thermo-mechanical histories, and in two types of 7075-T6 aluminum “ogives”- of interest to the Army. Preliminary results have been obtained for an induction-hardened steel shaft, a fatigue lifetime test specimen for the SAE.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 166: Symposium J – Neutron Scattering for Materials Science , 1989 , 293
Copyright
Copyright © Materials Research Society 1990

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References

REFERENCES

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