| 43180 |
Creator |
c3baa1aae2495d9fcf383c433b46bfe0 |
| 43180 |
Creator |
ext-87b2a335a964e9c67ee9f6cc29ae25c7 |
| 43180 |
Creator |
ext-2e196172cd7ebda4fd43d3faaf39bbcc |
| 43180 |
Creator |
ext-9678f3d6a1ac5aa044097d875c82077d |
| 43180 |
Creator |
ext-2f0517206ae84b4837a2bdcb365d016f |
| 43180 |
Creator |
ext-5a3a577dd1fb27cbe91f650e1332cc51 |
| 43180 |
Creator |
ext-6d04f77cf190abbc4a8ec5482044753c |
| 43180 |
Date |
2011-09-20 |
| 43180 |
Is Part Of |
repository |
| 43180 |
Is Part Of |
p15205827 |
| 43180 |
abstract |
The adhesive characteristics of thin films (0.2–2 μm) of linear poly(dimethylsiloxane)
(PDMS) liquids with a wide range of molecular weights have been measured using an
atomic force microscope with a colloid probe (diameters 5 and 12 μm) for different
separation velocities. The data were consistent with a residual film in the contact
region having a thickness of 6 nm following an extended dwell time before separation
of the probe. It was possible to estimate the maximum adhesive force as a function
of the capillary number, Ca, by applying existing theoretical models based on capillary
interactions and viscous flow except at large values of Ca in the case of viscoelastic
fluids, for which it was necessary to develop a nonlinear viscoelastic model. The
compliance of the atomic force microscope colloid beam was an important factor in
governing the retraction velocity of the probe and therefore the value of the adhesive
force, but the inertia of the beam and viscoelastic stress overshoot effects were
not significant in the range of separation velocities investigated. |
| 43180 |
authorList |
authors |
| 43180 |
issue |
18 |
| 43180 |
status |
peerReviewed |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335227 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335266 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335267 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335268 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335269 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335270 |
| 43180 |
uri |
http://data.open.ac.uk/oro/document/335330 |
| 43180 |
volume |
27 |
| 43180 |
type |
AcademicArticle |
| 43180 |
type |
Article |
| 43180 |
label |
Bowen, James ; Cheneler, David; Andrews, James W.; Avery, Andrew R.; Zhang, Zhibing;
Ward, Michael C. L. and Adams, Michael J. (2011). Application of colloid probe atomic
force microscopy to the adhesion of thin films of viscous and viscoelastic silicone
fluids. Langmuir, 27(18) pp. 11489–11500. |
| 43180 |
label |
Bowen, James ; Cheneler, David; Andrews, James W.; Avery, Andrew R.; Zhang, Zhibing;
Ward, Michael C. L. and Adams, Michael J. (2011). Application of colloid probe atomic
force microscopy to the adhesion of thin films of viscous and viscoelastic silicone
fluids. Langmuir, 27(18) pp. 11489–11500. |
| 43180 |
Title |
Application of colloid probe atomic force microscopy to the adhesion of thin films
of viscous and viscoelastic silicone fluids |
| 43180 |
in dataset |
oro |