Hydraulic Versus Swage Autofrettage and Implications of the Bauschinger Effect-Reference-Cited by-同舟云学术

Hydraulic Versus Swage Autofrettage and Implications of the Bauschinger Effect

Published:2003-08-01 Issue:3 Volume:125 Page:309-314
ISSN:0094-9930
Container-title:Journal of Pressure Vessel Technology
language:en
Short-container-title:

Author:

Parker A. P.¹,O’Hara G. P.²,Underwood J. H.²

Affiliation:

1. Engineering Systems Department, Royal Military College of Science, Cranfield University, Swindon, SN8 6LA, England

2. US Army Armament Research, Development and Engineering Center, Bene´t Laboratories, Watervliet, NY 12189

Abstract

A hybrid method is presented which permits calculation of residual stresses in a swage autofrettaged tube including Bauschinger effect. The results are generally supported by three types of available experimental evidence by comparing “equivalent” swage and hydraulic autofrettage tubes having the same level of overstrain. Radial slitting of the swaged tube is predicted to show a greater opening angle than its hydraulic equivalent. Fatigue lifetime of the swaged tube is predicted to be significantly higher than the hydraulic case. Re-pressurization of the equivalent tubes is predicted to produce initial re-yielding at the same pressure in both cases. Analysis of results shows that permanent strains in the swaged tube are expected to appear at a pressure level below that for the hydraulic tube.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://asmedigitalcollection.asme.org/pressurevesseltech/article-pdf/125/3/309/5655005/309_1.pdf

Reference14 articles.

1. O’Hara, G. P., 1992, “Analysis of the Swage Autofrettage Process,” US Army ARDEC Technical Report ARCCB-TR-92016, Bene´t Laboratories, Watervliet Arsenal, NY 12189, USA.

2. Parker, A. P. , 2001, “Autofrettage of Open End Tubes—Pressures, Stresses, Strains and Code Comparisons,” ASME J. Pressure Vessel Technol., 123, pp. 271–281.

3. Jahed, H., and Dubey, R. N., 1997, “An Axisymmetric Method of Elastic-Plastic Analysis Capable of Predicting Residual Stress Field,” ASME J. Pressure Vessel Technol., 119, pp. 264–273.

4. Parker, A. P., Sleeper, K. A., and Andrasic, C. P., 1981, “Safe Life Design of Gun Tubes—Some Numerical Methods and Results,” US Army ARO Report 81-3, Proceedings of 1981 Army Numerical Analysis and Computers Conference, pp. 311–333.

5. Parker, A. P., Underwood, J. H., and Kendall, D. P., 1999, “Bauschinger Effect Design Procedures for Autofrettaged Tubes Including Material Removal and Sachs’ Method,” ASME J. Pressure Vessel Technol., 121, pp. 430–437.

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