Bay, Niels Oluf

Martins, Paulo A. F.

Nielsen, Chris Valentin

New equipment for testing asperity deformation at various normal loads and subsurface elongations is presented. Resulting real contact area ratios increase heavily with increasing subsurface expansion due to lowered yield pressure on the asperities when imposing subsurface normal stress parallel to the surface. Finite element modelling supports the presentation and contributes by extrapolation of results to complete the mapping of contact area as function of normal pressure and one-directional subsurface strain parallel to the surface. Improved modelling of the real contact area is the basis for estimating friction in the numerical modelling of metal forming processes

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Modelling of real area of contact between tool and workpiece in metal forming processesincluding the influence of subsurface deformation - DTU Orbit (09/11/2017) Modelling of real area of contact between tool and workpiece in metal forming processes including the influence ofsubsurface deformationNew equipment for testing asperity deformation at various normal loads and subsurface elongations is presented.Resulting real contact area ratios increase heavily with increasing subsurface expansion due to lowered yield pressure onthe asperities when imposing subsurface normal stress parallel to the surface. Finite element modelling supports thepresentation and contributes by extrapolation of results to complete the mapping of contact area as function of normalpressure and one-directional subsurface strain parallel to the surface. Improved modelling of the real contact area is thebasis for estimating friction in the numerical modelling of metal forming processes. General informationState: PublishedOrganisations: Department of Mechanical Engineering, Manufacturing Engineering, Universidade de LisboaAuthors: Nielsen, C. V. (Intern), Martins, P. A. F. (Ekstern), Bay, N. O. (Intern)Pages: 261-264Publication date: 2016Main Research Area: Technical/natural sciences Publication informationJournal: CIRP Annals - Manufacturing TechnologyVolume: 65ISSN (Print): 0007-8506Ratings: BFI (2017): BFI-level 2 Web of Science (2017): Indexed Yes BFI (2016): BFI-level 2 Scopus rating (2016): CiteScore 3.93 SJR 1.672 SNIP 3.072 Web of Science (2016): Indexed yes BFI (2015): BFI-level 2 Scopus rating (2015): SJR 1.839 SNIP 3.185 CiteScore 3.83 Web of Science (2015): Indexed yes BFI (2014): BFI-level 2 Scopus rating (2014): SJR 2.73 SNIP 3.99 CiteScore 4.39 Web of Science (2014): Indexed yes BFI (2013): BFI-level 2 Scopus rating (2013): SJR 2.455 SNIP 3.875 CiteScore 3.87 ISI indexed (2013): ISI indexed yes Web of Science (2013): Indexed yes BFI (2012): BFI-level 2 Scopus rating (2012): SJR 2.175 SNIP 4.2 CiteScore 3.04 ISI indexed (2012): ISI indexed yes Web of Science (2012): Indexed yes BFI (2011): BFI-level 2 Scopus rating (2011): SJR 2.153 SNIP 3.507 CiteScore 2.81 ISI indexed (2011): ISI indexed yes Web of Science (2011): Indexed yes BFI (2010): BFI-level 2 Scopus rating (2010): SJR 2.172 SNIP 3.45 Web of Science (2010): Indexed yes BFI (2009): BFI-level 2 Scopus rating (2009): SJR 1.625 SNIP 2.205 Web of Science (2009): Indexed yes BFI (2008): BFI-level 1 Scopus rating (2008): SJR 1.069 SNIP 1.615 Web of Science (2008): Indexed yes Scopus rating (2007): SJR 1.145 SNIP 1.482 Web of Science (2007): Indexed yes Scopus rating (2006): SJR 0.867 SNIP 1.962 Web of Science (2006): Indexed yes Scopus rating (2005): SJR 0.936 SNIP 1.843 Web of Science (2005): Indexed yes Scopus rating (2004): SJR 1.575 SNIP 2.264 Web of Science (2004): Indexed yes Scopus rating (2003): SJR 1.155 SNIP 1.703 Web of Science (2003): Indexed yes Scopus rating (2002): SJR 0.82 SNIP 2.063 Web of Science (2002): Indexed yes Scopus rating (2001): SJR 0.576 SNIP 2.107 Web of Science (2001): Indexed yes Scopus rating (2000): SJR 1.088 SNIP 1.907 Web of Science (2000): Indexed yes Scopus rating (1999): SJR 0.756 SNIP 2.546 Original language: EnglishFriction, Metal forming, Real contact areaDOIs: 10.1016/j.cirp.2016.04.126 Source: FindItSource-ID: 2304303210Publication: Research - peer-review › Journal article – Annual report year: 2016 

Modelling of real area of contact between tool and workpiece in metal forming processes including the influence of subsurface deformation

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Modelling of real area of contact between tool and workpiece in metal forming processes including the influence of subsurface deformation

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