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Surface energy of strained amorphous solids

1711.09320.pdf3.13 MBPDF見る/開く

タイトル: Surface energy of strained amorphous solids
著者: Schulman, Rafael D. 著作を一覧する
Trejo, Miguel 著作を一覧する
Salez, Thomas 著作を一覧する
Raphael, Elie 著作を一覧する
Dalnoki-Veress, Kari 著作を一覧する
発行日: 2017年11月28日
出版者: Cornell University Library
開始ページ: 1711.09320
抄録: Surface stress and surface energy are fundamental quantities which characterize the interface between two materials. Although these quantities are identical for interfaces involving only fluids, the Shuttleworth effect demonstrates that this is not the case for most interfaces involving solids, since their surface energies change with strain. Crystalline materials, e.g. metallic and ionic, are known to have strain dependent surface energies, but in amorphous materials, such as polymeric glasses and elastomers, the strain dependence is debated due to a dearth of direct measurements. Here, we utilize contact angle measurements on strained glassy and elastomeric solids in order to address this matter. We show conclusively that interfaces involving polymeric glasses exhibit strain dependent surface energies, and give strong evidence for the absence of such a dependence in the case of incompressible elastomers. The results provide fundamental insight into our basic understanding of the interfaces of amorphous solids, and demonstrate further that the polarity of the contacting liquid plays a crucial role.
記述: This article is preprint uploaded in ""
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)



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