Influence of tube wettability on water contact angle of powders determined by capillary rise
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- 作者：Abdullah Alghunaim ; Bi-min Zhang Newby ; bimin@uakron.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Capillary rise ; Washburn&rsquo ; s equation ; Contact angle ; Tube surface wettability ; Powder wettability
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：5 March 2016
- 年：2016
- 卷：492
- 期：Complete
- 页码：79-87
- 全文大小：2634 K
文摘
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Water contact angle of powder (θw) was assessed by Washburn capillary rise (WCR).
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Packing tube wettability affected θw determined by WCR.
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A hydrophobic tube increased θw of a highly wettable powder.
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The effect of tube wettability on θw was more dramatic by using a smaller tube.