Journal
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
Volume 66, Issue -, Pages 249-259Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijmecsci.2012.11.015
Keywords
Viscoelasticity; Equilibrium response function; Fictive temperature; Structural relaxation model; Annealing; Compaction (Shrinkage)
Categories
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [R11-2005-065]
- National Research Foundation of Korea Grant
- Korean Government [NRF-2010-220-D00037]
- Ministry of Knowledge Economy, South Korea
- [B551179-11-02-00]
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Since the high resolution glass panel became the main stream of the display industry, the dimensional change of the glass after a thermal process applied during the panel production, in particular shrinkage has become a major technical hurdle for glass substrate and panel producers to overcome together. The shrinkage might incur failure in the layers deposited on the glass substrate and ultimately degrade the optical property. A common practice to control the shrinkage is to introduce an annealing process to the glass substrate between the glass production and the deposition process. In an effort to develop a way of optimizing the annealing process, a numerical method to analyze the shrinkage during the annealing and subsequent deposition processes was developed in this work based on the structural relaxation model of the glass substrate. Then, the developed method was tried out to optimize annealing processes such that there would be little shrinkage in various subsequent deposition processes. (c) 2012 Elsevier Ltd. All rights reserved.
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