Thick-walled cylinders play a unique role in military, automobiles, aircraft and oil fields. The autofrettage method is used to increase the fatigue life of thick-walled components like gun barrel, titanium alloy tubes, nuclear reactor vessels, high pressure oil field pipes and LDPE. There are three types of autofrettage processes and hydraulic is the one applied mostly. The autofrettage process uses a pressure that is high enough to plastically deform the bore of the part but not so high that it bursts the component, is applied to the inside of tube. The result is that after the pressure is removed, the elastic recovery of the outer wall put the inner wall into compression, providing a residual compressive stress. In this research paper a study has been carried out to investigate the progress made in different fields by the hydraulic technique and proposals are sought for future work.
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16th International Conference on Nuclear Engineering
May 11–15, 2008
Orlando, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4817-5
PROCEEDINGS PAPER
Hydraulic Autofrettage Technology: A Review
M. Afzaal Malik,
M. Afzaal Malik
National University of Science and Technology, Rawalpindi, Pakistan
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Shahab Khushnood,
Shahab Khushnood
University of Engineering and Technology, Taxila, Pakistan
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Muddasar Khan,
Muddasar Khan
University of Engineering and Technology, Taxila, Pakistan
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Badar Rashid,
Badar Rashid
National University of Science and Technology, Rawalpindi, Pakistan
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Musarrat Khan
Musarrat Khan
F G Degree College Chilas, Chilas, Pakistan
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M. Afzaal Malik
National University of Science and Technology, Rawalpindi, Pakistan
Shahab Khushnood
University of Engineering and Technology, Taxila, Pakistan
Muddasar Khan
University of Engineering and Technology, Taxila, Pakistan
Badar Rashid
National University of Science and Technology, Rawalpindi, Pakistan
Musarrat Khan
F G Degree College Chilas, Chilas, Pakistan
Paper No:
ICONE16-48626, pp. 195-206; 12 pages
Published Online:
June 24, 2009
Citation
Malik, MA, Khushnood, S, Khan, M, Rashid, B, & Khan, M. "Hydraulic Autofrettage Technology: A Review." Proceedings of the 16th International Conference on Nuclear Engineering. Volume 4: Structural Integrity; Next Generation Systems; Safety and Security; Low Level Waste Management and Decommissioning; Near Term Deployment: Plant Designs, Licensing, Construction, Workforce and Public Acceptance. Orlando, Florida, USA. May 11–15, 2008. pp. 195-206. ASME. https://doi.org/10.1115/ICONE16-48626
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