Physics And Chemistry Of Micronanotribology

The surface force apparatus SFA is a device that detects the variations of normal and tangential forces resulting from the molecule interactions, as a function of normal distance be-tween two curved surfaces in relative motion. SFA has been successfully used over the past years for investigating vari-ous surface phenomena, such as adhesion, rheology of con-fined liquid and polymers, colloid stability, and boundary friction. The first SFA was invented in 1969 by Tabor and Winterton 23 and was further developed in 1972 by Israela-chivili and Tabor 24. The device was employed for direct measurement of the van der Waals forces in the air or vacuum between molecularly smooth mica surfaces in the distance range of 1.5–130 nm. The results confirmed the prediction of the Lifshitz theory on van der Waals interac-tions down to the separations as small as 1.5 nm.The surface force apparatus SFA is a device that detects the variations of normal and tangential forces resulting from the molecule interactions, as a function of normal distance be-tween two curved surfaces in relative motion. SFA has been successfully used over the past years for investigating vari-ous surface phenomena, such as adhesion, rheology of con-fined liquid and polymers, colloid stability, and boundary friction. The first SFA was invented in 1969 by Tabor and Winterton 23 and was further developed in 1972 by Israela-chivili and Tabor 24. The device was employed for direct measurement of the van der Waals forces in the air or vacuum between molecularly smooth mica surfaces in the distance range of 1.5–130 nm. The results confirmed the prediction of the Lifshitz theory on van der Waals interac-tions down to the separations as small as 1.5 nm.The surface force apparatus SFA is a device that detects the variations of normal and tangential forces resulting from the molecule interactions, as a function of normal distance be-tween two curved surfaces in relative motion. SFA has been successfully used over the past years for investigating vari-ous surface phenomena, such as adhesion, rheology of con-fined liquid and polymers, colloid stability, and boundary friction. The first SFA was invented in 1969 by Tabor and Winterton 23 and was further developed in 1972 by Israela-chivili and Tabor 24. The device was employed for direct measurement of the van der Waals forces in the air or vacuum between molecularly smooth mica surfaces in the distance range of 1.5–130 nm. The results confirmed the prediction of the Lifshitz theory on van der Waals interac-tions down to the separations as small as 1.5 nm.

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