Effect of capillary condensation on friction force and adhesion

Friction force measurements have been conducted with a colloid probe on mica and silica (both hydrophilic and hydrophobized) after long (24 h) exposure to high-humidity air. Adhesion and friction measurements have also been performed on cellulose substrates. The long exposure to high humidity led to...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 2 vom: 16. Jan., Seite 517-22
1. Verfasser: Feiler, Adam A (VerfasserIn)
Weitere Verfasser: Stiernstedt, Johanna, Theander, Katarina, Jenkins, Paul, Rutland, Mark W
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Aluminum Silicates Colloids Silicon Dioxide 7631-86-9 Cellulose 9004-34-6 mica V8A1AW0880
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520 |a Friction force measurements have been conducted with a colloid probe on mica and silica (both hydrophilic and hydrophobized) after long (24 h) exposure to high-humidity air. Adhesion and friction measurements have also been performed on cellulose substrates. The long exposure to high humidity led to a large hysteresis between loading and unloading in the friction measurements with separation occurring at large negative applied loads. The large hysteresis in the friction-load relationship is attributed to a contact area hysteresis of the capillary condensate which built up during loading and did not evaporate during the unloading regime. The magnitude of the friction force varied dramatically between substrates and was lowest on the mica substrate and highest on the hydrophilic silica substrate, with the hydrophobized silica and cellulose being intermediate. The adhesion due to capillary forces on cellulose was small compared to that on the other substrates, due to the greater roughness of these surfaces 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Colloids  |2 NLM 
650 7 |a Silicon Dioxide  |2 NLM 
650 7 |a 7631-86-9  |2 NLM 
650 7 |a Cellulose  |2 NLM 
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700 1 |a Stiernstedt, Johanna  |e verfasserin  |4 aut 
700 1 |a Theander, Katarina  |e verfasserin  |4 aut 
700 1 |a Jenkins, Paul  |e verfasserin  |4 aut 
700 1 |a Rutland, Mark W  |e verfasserin  |4 aut 
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