Testing equipment

Scratch adhesion tester
The scratch tester is used for testing the adhesion of thin film coating. The adhesion testing is carried out using a steadily increasing load on a Rockwell diamond sliding across a coated test piece or component. The critical load at which the coating fails is measured using a load cell, acoustic emission and finally confirmed optically.

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Rockwell adhesion tester
Another method of adhesion testing, developed by the Union of German Engineers, (Verein Deutscher
Ingenieure, VDI) and also referred to as the Daimler-Benz test uses a standard Rockwell hardness tester fitted with a Rockwell “C”-type diamond cone indenter with an applied load of 150kg. The adhesion is assessed by observation of the Rockwell “C” indent after the adhesion test.

For more information about Rockwell adhesion testers click the link.

Coating thickness tester (Calo® tester or ball crater thickness tester)
The coating thickness tester referred to as a Calo tester or ball crater thickness tester depending on the testing equipment supplier provides a quick, easy and inexpensive method of measuring coating thickness.

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Pin on disc wear and friction tester
The pin on disc tester using a fixed ball counterpart sliding against coated test piece to measure the tribological properties, friction and sliding wear, of the coating.

For more information about pin on disc wear testers click the link.

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