Hardness testers are industrial products used in order to measure a certain material's capacity to resist indentation, notches or recesses. This is done by measuring the depth of the indentation of any material. The results showing the smaller indentations signify that the material is harder than the other.
To understand more about the product known as hardness testers, one must be able to look into the scales used in order to determine a material's hardness. There are different varieties ranging from Brinell, coating, Rockwell and nanoindentation to Vickers and Knoop, coating and ultrasonic. There are also methods used along these techniques like superficial, macro and micro testing. Some of these scales are explained in the succeeding paragraphs.
Coating hardness tester
This is a scale that gauges the hardness of a material through the use of scratching, rubbing and indentation tests. The same evaluates the wear resistance of adhesives, sealants, thin paint films and CDs and DVDs. When evaluating coating hardness, brilliant ideas are based from indentation testers of Barber Coleman, Persoz and Koenig pendulums and Bucholz. Sclerometers are also utilized to evaluate and measure the pressure that often results to scratches in a certain material.
Read More About Hardness Testers - Different Scales For Various Specifications
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