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首页> 外文期刊>Journal of Applied Mechanics: Transactions of the ASME >PDMS-Glass Interface Adhesion Energy Determined Via Comprehensive Solutions for Thin Film Bulge/Blister Tests
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PDMS-Glass Interface Adhesion Energy Determined Via Comprehensive Solutions for Thin Film Bulge/Blister Tests

机译：通过全面的薄膜膨胀/起泡测试解决方案确定的PDMS-玻璃界面粘合能

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摘要

This paper provides comprehensive relationships for pressure, deflection, energy release rate, and phase angle for bulge testing, which are valid for all combinations of the testing length-scales (film thickness, debond size, and bulge height) and materials. These solutions can be used to design experiments that vary relative contributions of opening and sliding displacements at the crack tip by modulating the film thickness, debond size, and bulge volume. Their closed-form nature greatly facilitates property extraction via regression, e.g., modulus from experimental pressure/deflection data or interface toughness from debond size/injected volume data. This is illustrated using experiments to quantify the interfacial adhesion energy between an initially dry polydimethylsiloxane-glass interface via bulge testing under controlled volume injection. The results indicate that the mode-mixity has no effect on the energy required for debonding, which suggests that wetting of the crack faces behind the debonding front eliminates friction.
机译：本文提供了凸起测试的压力，挠度，能量释放速率和相角的全面关系，这些关系对于测试长度尺度（膜厚，脱胶尺寸和凸起高度）和材料的所有组合均有效。这些解决方案可用于设计实验，这些实验通过调节膜厚，脱胶尺寸和凸出体积来改变裂纹尖端处打开和滑动位移的相对贡献。它们的闭合形式性质极大地促进了通过回归的特性提取，例如，从实验压力/挠度数据获得的模量或从脱胶尺寸/注入体积数据获得的界面韧性。这是通过实验来说明的，该实验通过在受控体积注射下进行膨胀试验来量化最初干燥的聚二甲基硅氧烷-玻璃界面之间的界面粘合能。结果表明，模式混合对脱粘所需的能量没有影响，这表明润湿在脱粘锋面后面的裂纹面可以消除摩擦。

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