Fabrication of Open-Cell Silver Foams Using Disaccharide as Space Holders
Seksak Asavavisithchai, and Ekasit Nisaratanaporn* Author for corresponding; e-mail address: fmtsas@eng.chula.ac.th
Volume: Vol.37 No.2 (MAY 2010)
Research Article
DOI:
Received: 4 December 2009, Revised: -, Accepted: 28 January 2010, Published: -
Citation: Asavavisithchai S. and Nisaratanaporn E., Fabrication of Open-Cell Silver Foams Using Disaccharide as Space Holders , Chiang Mai Journal of Science, 2010; 37(2): 222-230.
Abstract
Open-cell silver foams have been successfully produced via a powder-based approach in replication process. High purity fine silver powder was prepared by the reduction of silver nitrate through glycerol process. Two types of disaccharide, commonly known as raw and white refined sugar, were used as space holders. Evaporation of these sugars during sintering of green compacts results in silver foam samples with porosities between 60% and 80%.
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