Comparing Microgroove Array Forming with Micropyramid Array Forming in the Glass Molding Press

Abstract:

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This paper presents a glass molding press (GMP) method to fabricate microgroove array and micropyramid array on the glass plate by replicating the shape of the mold to the glass surface. The differences between microgroove forming and micropyramid forming were investigated by experiments and finite element method (FEM) simulations. Microgroove arrays and micropyramid arrays were generated on the flat glass plate in the GMP process by using an electroless-plated Nickel Phosphorus (Ni-P) mold, on which the microstructures are fabricated by micro cutting. Furthermore, FEM simulations were used to trace the stress distribution and the strain distribution during the glass deformation, which illustrates the glass material flow in the microgrooves and the micropyramids on the mold during pressing. By comparing the processes between microgroove forming and micropyramid forming, the differences between them observed in the experiments were explained by the simulation results. Finally, some techniques to improve the forming accuracy were proposed.

Info:

Periodical:

Key Engineering Materials (Volumes 447-448)

Edited by:

Jianhong Zhao, Masanori Kunieda, Guilin Yang and Xue-Ming Yuan

Pages:

361-365

DOI:

10.4028/www.scientific.net/KEM.447-448.361

Citation:

T. F. Zhou et al., "Comparing Microgroove Array Forming with Micropyramid Array Forming in the Glass Molding Press", Key Engineering Materials, Vols. 447-448, pp. 361-365, 2010

Online since:

September 2010

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Price:

$35.00

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