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Analysis of autofrettaged high pressure components
Blekinge Institute of Technology, School of Engineering.
Blekinge Institute of Technology, School of Engineering.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesis
Abstract [en]

Autofrettage is a procedure performed to improve the durability of high pressure components. The main aim of this thesis work was to analyse the effect of autofrettage on the valve house of the cutting head assembly of a water jet cutting machine. As the stepping stone, a thick pipe, as a typical example of pressure vessels, was employed in order to study autofrettage process and its effects. Afterward, the adopted approach was applied on the valve house. Eventually, the results showed that this procedure leads to a tangible decrease in the maximum value of stress.

Place, publisher, year, edition, pages
2012. , 92 p.
Keyword [en]
Autofrettage, Residual Stress, Hoop stress, Plasticity, Hardening, ABAQUS
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-3075Local ID: diva2:830373
Available from: 2015-04-22 Created: 2012-10-09 Last updated: 2015-06-30Bibliographically approved

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