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Work hardening during alternating load directions of 316L SS
Högskolan Dalarna, Akademin Industri och samhälle, Materialteknik. Luleå University of Technology.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Procedia Manufacturing, E-ISSN 2351-9789, Vol. 15, s. 1777-1784Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Understanding and modelling the plastic behavior of a material are essential for simulation and design of metal forming processes. Cold pilgering of tubes is a process with very complex strain history with alternating loading direction. This makes evaluation of the work hardening challenging. Cold deformation applied in a single direction predominantly exhibit work hardening, while changes of the loading direction may even cause softening in other directions. The influence of alternating loading directions on work hardening has been experimentally investigated for 316L stainless steel (SS). Cubic specimens were cut out from the preform of the tube. The specimens are subjected to uniaxial compressions in alternating directions along two perpendicular axes. From the results, a cyclic elastic-plastic constitutive model based on a Chaboche-type approach is calibrated and implemented in the commercial finite element code MSC.Marc.

sted, utgiver, år, opplag, sider
2018. Vol. 15, s. 1777-1784
Emneord [en]
Finite element method (FEM), Isotropic, kinematic hardening, Cyclic plasticity, Chaboche model, Uniaxial / Multiaxial loading, Cold pilgering, Tube forming
HSV kategori
Forskningsprogram
Stålformning och ytteknik
Identifikatorer
URN: urn:nbn:se:du-29915DOI: 10.1016/j.promfg.2018.07.246Scopus ID: 2-s2.0-85063795502OAI: oai:DiVA.org:du-29915DiVA, id: diva2:1306055
Konferanse
17th International Conference on Metal Forming (METAL FORMING 2018) September 16 – 19, 2018, Toyohashi, Japan
Tilgjengelig fra: 2019-04-23 Laget: 2019-04-23 Sist oppdatert: 2019-04-23bibliografisk kontrollert

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