Effective elastic properties and residual stresses in directionally solidified eutectic Al2O3/YAG/ZrO2 ceramics estimated by finite element analysis

The mechanical behaviour of metamaterials typically depends on their microstructural configuration and composition, in addition to their relative density. The design of these materials requires extensive experiments or complex finite element models which tend to be numerically demanding. In order to understand, control and optimise the macroscopic mechanical behaviour, in this paper numerical homogenisation is applied to a simple square unit cell with a single inclusion using a combination of elastic and viscoelastic responses on the micro level. Through a systematic analysis of unit cell behaviour with increasingly complex microstructural configurations, it is shown how certain macroscale constitutive laws can be obtained in a controlled and controllable manner.

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Time domain homogenisation of elastic and viscoelastic metamaterials

Abuzayed

Özdemir

Askes

2022

Mech Time-Depend Mater

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3D printing of nano-scale Al2O3-ZrO2 eutectic ceramic: Principle analysis and process optimization of pores

Yan

Huang

Zhao

et al. 2019

Additive Manufacturing

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Ammonium citrate assisted surface modification and gel casting of YAG transparent ceramics

Zhang

Yao

Yuan

et al. 2018

Ceramics International

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Effective elastic properties and residual stresses in directionally solidified eutectic Al2O3/YAG/ZrO2 ceramics estimated by finite element analysis

Cited by 5 publications

References 30 publications

Time domain homogenisation of elastic and viscoelastic metamaterials

Time domain homogenisation of elastic and viscoelastic metamaterials

3D printing of nano-scale Al2O3-ZrO2 eutectic ceramic: Principle analysis and process optimization of pores

Ammonium citrate assisted surface modification and gel casting of YAG transparent ceramics

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