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Replica Tape- Relating 3 Surface Profile Parameters to Pull-Off Adhesion

Replica Tape- Relating 3 Surface Profile Parameters to Pull-Off Adhesion
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Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile must be accurately assessed to ensure compliance with job or contract specifications. But is profile height alone (the most commonly measured parameter) a good indicator of long-term coating performance? 

Product Number: 41215-878-SG
Author: David Beamish
Publication Date: 2015
Industries: Test Method , Coatings , Coatings and Linings
$0.00
$20.00
$20.00

Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile must be accurately assessed to ensure compliance with job or contract specifications. But is profile height alone (the most commonly measured parameter) a good indicator of long-term coating performance? This paper reports on recent testing that compared numerous profiles with pull-off adhesion. A simple, low-cost field device was used to obtain 3 profile parameters from 1 replica tape measurement: profile height, peak density, and developed surface area. Test surfaces were re-measured with complex, expensive 3D microscopes and results were compared to replica tape results.

Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile must be accurately assessed to ensure compliance with job or contract specifications. But is profile height alone (the most commonly measured parameter) a good indicator of long-term coating performance? This paper reports on recent testing that compared numerous profiles with pull-off adhesion. A simple, low-cost field device was used to obtain 3 profile parameters from 1 replica tape measurement: profile height, peak density, and developed surface area. Test surfaces were re-measured with complex, expensive 3D microscopes and results were compared to replica tape results.

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