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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23499

Title: Comparison between Oxide-Reduced and Water-Atomized Copper Powders Used in Making Sintered Wicks of Heat Pipe
Authors: Liu-Ho Chiu;Chang-Hui Wu;Pee-Yew Lee
Contributors: NTOU:Institute of Materials Engineering
Keywords: Sinteredwick;Copperpowder;Porous property;Oxide-reducedpowder
Date: 2007-06
Issue Date: 2011-10-20T08:06:26Z
Publisher: China Particuology
Abstract: Abstract:Oxide-reducedcopperpowder can be produced efficiently at low cost. The volume shrinkage, porosity, maximum pore size, permeability and thermal conductivity of wickssintered from two oxide-reduced (OR) powders were compared with one from water-atomized (WA) powder. The green specimens were sintered at temperatures from 800 to 1000 °C in a tube furnace under a reduction stream of 10% hydrogen and 90% argon. The results show that the property variations of OR − 100 and WA wicks due to porosity changes have a similar tendency and range. Nine hundred degree celsius is a recommended sintering temperature for producing ideal wicks for use in heatpipes. A smaller maximum pore size can be obtained by increasing the green density.
Relation: 5(3), pp.220-224
URI: http://ntour.ntou.edu.tw/handle/987654321/23499
Appears in Collections:[材料工程研究所] 期刊論文

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