Glass material model for the forming stage of the glass molding process

Yu Chung Tsai; Ching-Hua Hung; Jung Chung Hung

doi:10.1016/j.jmatprotec.2007.11.294

Glass material model for the forming stage of the glass molding process

Yu Chung Tsai, Ching-Hua Hung^*, Jung Chung Hung

^*Corresponding author for this work

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

The aim of this research is to obtain an accurate material model for glass that can be used in finite element (FE) analysis of the glass molding process. A thorough understanding of the deformation behavior of the glass specimens was acquired by performing uniaxial compression tests. The elasto-viscoplastic model was utilized for the glass material at the molding temperature to construct the FE model, and a suitable set of parameters for this material model was verified by comparing the simulation results to the experimental data. As a result, the feasibility of the elasto-viscoplastic model for glass at the molding temperature was confirmed; this material model can be used in FE analysis of the prediction and modification of properties of the final lens products.

Original language	English
Pages (from-to)	751-754
Number of pages	4
Journal	Journal of Materials Processing Technology
Volume	201
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jmatprotec.2007.11.294
State	Published - 26 May 2008

Keywords

Elasto-viscoplastic
FE
Glass molding process

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title = "Glass material model for the forming stage of the glass molding process",

abstract = "The aim of this research is to obtain an accurate material model for glass that can be used in finite element (FE) analysis of the glass molding process. A thorough understanding of the deformation behavior of the glass specimens was acquired by performing uniaxial compression tests. The elasto-viscoplastic model was utilized for the glass material at the molding temperature to construct the FE model, and a suitable set of parameters for this material model was verified by comparing the simulation results to the experimental data. As a result, the feasibility of the elasto-viscoplastic model for glass at the molding temperature was confirmed; this material model can be used in FE analysis of the prediction and modification of properties of the final lens products.",

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T1 - Glass material model for the forming stage of the glass molding process

AU - Tsai, Yu Chung

AU - Hung, Ching-Hua

AU - Hung, Jung Chung

PY - 2008/5/26

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N2 - The aim of this research is to obtain an accurate material model for glass that can be used in finite element (FE) analysis of the glass molding process. A thorough understanding of the deformation behavior of the glass specimens was acquired by performing uniaxial compression tests. The elasto-viscoplastic model was utilized for the glass material at the molding temperature to construct the FE model, and a suitable set of parameters for this material model was verified by comparing the simulation results to the experimental data. As a result, the feasibility of the elasto-viscoplastic model for glass at the molding temperature was confirmed; this material model can be used in FE analysis of the prediction and modification of properties of the final lens products.

AB - The aim of this research is to obtain an accurate material model for glass that can be used in finite element (FE) analysis of the glass molding process. A thorough understanding of the deformation behavior of the glass specimens was acquired by performing uniaxial compression tests. The elasto-viscoplastic model was utilized for the glass material at the molding temperature to construct the FE model, and a suitable set of parameters for this material model was verified by comparing the simulation results to the experimental data. As a result, the feasibility of the elasto-viscoplastic model for glass at the molding temperature was confirmed; this material model can be used in FE analysis of the prediction and modification of properties of the final lens products.

KW - Elasto-viscoplastic

KW - FE

KW - Glass molding process

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