Hostname: page-component-745bb68f8f-5r2nc Total loading time: 0 Render date: 2025-01-14T12:27:46.615Z Has data issue: false hasContentIssue false
  • English
  • Français

X-Ray Measurement of Residual Stresses in Titanium Alloy Sheet

Published online by Cambridge University Press:  06 March 2019

David N. Braski  and
Dick M. Royster
David N. Braski
Affiliation:
NASA Langley Research Center Hampton, Virginia
Dick M. Royster
Affiliation:
NASA Langley Research Center Hampton, Virginia
Get access

Abstract

An X-ray diffraction technique was used to measure residual stresses in Ti-6Al-4V and Ti-8Al-1Mo-1V sheet created by glass-bead peening, sand and aluminum oxide blasting, and a vibratory tumbling treatment. For peening and blasting, the use of larger particle sizes produced greater compressive stresses. In the case of the vibratory treatment, an increase in vibratory frequency or treatment time increased the compressive stress. Glass-bead peening caused a 10% reduction in yield strength while the other treatments had little effect on the tensile properties. Significant stress relaxation occurred in all the treated Ti-6Al-4V coupons exposed at 600° and 800°F.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 10: Fifteenth Annual Conference on Applications of X-ray Analysis, August 10-12, 1966 , 1966 , pp. 295 - 310
Copyright
Copyright © International Centre for Diffraction Data 1966

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Almen, J. O. and Black, P. H., Residual Stresses and Fatigue in Metals, McGraw-Hill Book Co., Inc., 1963.Google Scholar
2. Heimerl, G. J., Braski, D. N., Royster, D. M., and Dexter, H. B., “Salt Stress Corrosion of Ti-8Al-1Mo-1V Alloy Sheet at ELevated Temperatures,” NASA paper presented at Pacific Area Meeting of the ASTM, October 31-November 5, 1965.Google Scholar
3. Pride, Richard A. and Woodard, John M., “Salt-Stress-Corrosion Cracking of Residually Stressed Ti-8AMMo-l V Brake-Formed Sheet at 550°F (561°K),” NASA TM X-1082, 1965.Google Scholar
4. Christensen, A. L. et al., “Measurement of Stress by X-Ray,” SAE Information Report, TR-182, 1960.Google Scholar
5. Moore, M. G. and Evans, W. P., “Mathematical Correction for Stress in Removed Layers in X-Ray Diffraction Residual Stress Analysis,” SAE Trans. 66: 340, 1958.Google Scholar
6. Letner, H. R., “Stress Effects of Abrasive Tumbling,” ASM Trans, 51: 1959.Google Scholar
7. Weiss, V. and Sessler, J. G. (eds.), Aerospace Structural Metals Handbook, Vol. II-Non-Ferrous Alloys, ASD-TDR-63-741, Vol. II, U.S. Air Force, March 1963.Google Scholar
8. Larson, F. R. and Miller, J., “A Time-Temperature Relationship for Rupture and Creep Stresses,” Trans. ASME 74: 771–775, 1952.Google Scholar