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On the Influence of Material Parameters in a Complex Material Model for Powder Compaction
KTH, Skolan för teknikvetenskap (SCI), Hållfasthetslära (Inst.). Sandvik Coromant AB, Sweden.
KTH, Skolan för teknikvetenskap (SCI), Hållfasthetslära (Inst.).ORCID-id: 0000-0001-6232-8819
2016 (engelsk)Inngår i: Journal of materials engineering and performance (Print), ISSN 1059-9495, E-ISSN 1544-1024, Vol. 25, nr 10, 4408-4415 s.Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Parameters in a complex material model for powder compaction, based on a continuum mechanics approach, are evaluated using real insert geometries. The parameter sensitivity with respect to density and stress after compaction, pertinent to a wide range of geometries, is studied in order to investigate completeness and limitations of the material model. Finite element simulations with varied material parameters are used to build surrogate models for the sensitivity study. The conclusion from this analysis is that a simplification of the material model is relevant, especially for simple insert geometries. Parameters linked to anisotropy and the plastic strain evolution angle have a small impact on the final result.

sted, utgiver, år, opplag, sider
Springer, 2016. Vol. 25, nr 10, 4408-4415 s.
Emneord [en]
constitutive model, material characterization, powder compaction, real inserts, sensitivity analysis, Characterization, Compaction, Constitutive models, Continuum mechanics, Geometry, Complex materials, Finite element simulations, Material characterizations, Material modeling, Material parameter, Parameter sensitivities, Powder compactions, Sensitivity studies, Finite element method
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Identifikatorer
URN: urn:nbn:se:kth:diva-195309DOI: 10.1007/s11665-016-2294-yISI: 000385404800033Scopus ID: 2-s2.0-84983797997OAI: oai:DiVA.org:kth-195309DiVA: diva2:1045694
Merknad

QC 20161110

Tilgjengelig fra: 2016-11-10 Laget: 2016-11-02 Sist oppdatert: 2016-11-10bibliografisk kontrollert

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