Reference : Design rules for autofrettage of an aluminium valve body
Scientific journals : Article
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/10993/22369
Design rules for autofrettage of an aluminium valve body
English
Sellen, Stephan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Maas, Stefan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Andreas, Thomas mailto []
Plapper, Peter mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Zürbes, Arno mailto []
Becker, Daniel mailto []
3-Jul-2015
Fatigue & Fracture of Engineering Materials & Structures
Blackwell Publishing
Yes (verified by ORBilu)
International
8756-758X
1460-2695
[en] fracture ; aluminum ; autofrettage
[en] The following paper is intended to improve the fatigue behaviour of a complex aluminium
valve geometry under high internal cyclic pres sure loading. The autofrettage process helps
to increase the f atigue durability and a simple, but efficient design method for this proces s
is deployed. Based o n non-linear material’s behaviour, fin ite eleme nt simulations of t he
crack-free geometry help to determine the minimum and maximum autofrettage pressure
to be used, without iterative crack simulations , which would require higher computational
effort. Material tests under inverse plastifications were performed in order to determine the
correct material model. The derived design method was validated with simplified specimens
subjected to different autofrettage pressure levels and su bsequent cyclic fatigue tests.
University of Luxembourg: Research Unit of Enegineering Sciences
Rotarex Luxembourg, Ministry of Economy Luxembourg, University of Luxembourg
Researchers ; Professionals
http://hdl.handle.net/10993/22369
10.1111/ffe.12328
http://onlinelibrary.wiley.com/doi/10.1111/ffe.12328/abstract

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