An anisotropic elasto-viscoplastic-damage model for Selective Laser Sintered food

N. Jonkers; J. A.W. van Dommelen; M.G.D. Geers

doi:10.1016/j.engfracmech.2022.108368

An anisotropic elasto-viscoplastic-damage model for Selective Laser Sintered food

N. Jonkers
, J. A.W. van Dommelen (Corresponding author)
, M.G.D. Geers

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

14 Citaten (Scopus)

51 Downloads (Pure)

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Selective Laser Sintered food exhibits anisotropic mechanical properties that are characteristic for its layer-by-layer manufacturing process. A constitutive model that is capable of describing the anisotropic elasto-viscoplastic-damaging behavior of the material, which was experimentally characterized by compression testing in two distinct principal orientations, is presented. Damage is modeled by applying the effective stress concept in combination with a viscoplastic flow rule that effectively regularizes damage localization. The model allows for quantitative predictions of the mechanical response of the printed food and is a valuable tool for assessing texture properties of food with Selective Laser Sintering.

Originele taal-2	Engels
Artikelnummer	108368
Aantal pagina's	19
Tijdschrift	Engineering Fracture Mechanics
Volume	266
DOI's	https://doi.org/10.1016/j.engfracmech.2022.108368
Status	Gepubliceerd - 1 mei 2022

Financiering

The authors acknowledge TNO (Netherlands Organisation for Applied Scientific Research) for the financial support. We thank Marc Hoppenbrouwers (TNO) and Ruth Cardinaels (Eindhoven University of Technology) for technical support and Martijn Noort (Wageningen University and Research) for the preparation of the powder mixture.

Financiers
Netherlands Organisation for Applied Scientific Research - TNO
Technische Universiteit Eindhoven

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abstract = "Selective Laser Sintered food exhibits anisotropic mechanical properties that are characteristic for its layer-by-layer manufacturing process. A constitutive model that is capable of describing the anisotropic elasto-viscoplastic-damaging behavior of the material, which was experimentally characterized by compression testing in two distinct principal orientations, is presented. Damage is modeled by applying the effective stress concept in combination with a viscoplastic flow rule that effectively regularizes damage localization. The model allows for quantitative predictions of the mechanical response of the printed food and is a valuable tool for assessing texture properties of food with Selective Laser Sintering.",

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AB - Selective Laser Sintered food exhibits anisotropic mechanical properties that are characteristic for its layer-by-layer manufacturing process. A constitutive model that is capable of describing the anisotropic elasto-viscoplastic-damaging behavior of the material, which was experimentally characterized by compression testing in two distinct principal orientations, is presented. Damage is modeled by applying the effective stress concept in combination with a viscoplastic flow rule that effectively regularizes damage localization. The model allows for quantitative predictions of the mechanical response of the printed food and is a valuable tool for assessing texture properties of food with Selective Laser Sintering.

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KW - Anisotropy

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KW - Damage characterization

KW - Selective Laser Sintering

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An anisotropic elasto-viscoplastic-damage model for Selective Laser Sintered food

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