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Ploughing Asperity Tester
The so-called PATAT (acronym for Ploughing Asperity Testing Apparatus Twente) is an in-house developed tribotester that enables friction and wear experiments on a microscopic scale. A stationary indenter is mounted in the holder, while a sample is mounted on an xy-table. The set-up simulates the contact conditions and friction at the scale of a single ploughing asperity. A load is applied on the contact, while the sample moves. During the experiment, both the friction and the indentation depth are measured. Using a high magnification camera, the contact conditions and wear processes can also be seen. It is planned to expand the set-up with a Surface Force Apparatus Unit. |
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Keywords: |
PATAT, ploughing, asperity, friction, wear |
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Measurements / Setups: |
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Specifications: |
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Equipment: |
Build by Surface Technology and Tribology Group |
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Publications: |
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Location: |
De Horstring N100 |
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Picture of the PATAT |
SEM picture of galling onto tip, after a PATAT experiment |
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