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Chapter


Title

Applications of Viscoplasticity and Damage Models, the Thermomechanical Consistency and the Prospect of a Microstructural Representation

Authors

[ 1 ] Instytut Mechaniki Stosowanej, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.8] Mechanical engineering

Year of publication

2022

Chapter type

chapter in monograph

Publication language

english

Keywords
EN
  • Viscoplasticity
  • Continuum damage mechanics
  • Porosity
  • Additive manufacturing
  • Thermomechanical consistency
  • Thermography
  • µComputed tomography
  • Image geometry reconstruction
Abstract

EN Material models in the framework of continuum mechanics cover the experimentally observed phenomena with a mathematical representation and a corre- sponding set of material parameters, which need to be established and validated. The theory of viscoplasticity plays an important role to describe the material behaviour of polymers and metals for a conventional as well as an additive manufacturing process. Naturally, the manufacturing process influences the microstructure and is to be reflected in the analysis and the characterisation of the material. The geometry reconstruction of microscopic images supports the extension of well-known material models and motivates the investigation of the interaction in bicontinuous composites. A universal measurement method as the contactfree thermography can be applied to validate the analytical assumption by an extended set of characteristics.

Date of online publication

30.03.2022

Pages (from - to)

311 - 336

DOI

10.1007/978-3-030-97675-0_12

URL

https://link.springer.com/chapter/10.1007/978-3-030-97675-0_12

Book

Material Modeling and Structural Mechanics

Points of MNiSW / chapter

20.0

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