A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

This film discusses hardness testing methods in engineering, specifically focusing on the Brunell and Rockwell hardness tests. It explains how hardness is measured through indentation and penetration ...

AZoM talks to Richard Wismer, Sales Manager of Newage Testing Instruments, about the new MT91 Microhardness Testing System. Could you please provide a brief introduction to Newage hardness testing?

Along with the development of new instrumentation, the test procedure itself was also standardized. By “walking” the potential probe toward the current probe and graphing the measurements, the ...

In my July 2005 column, a new ASTM standard shear test method was introduced 1. At that time, I raised the question, Why do we need another shear test method for composite materials?, with the promise ...

When designing metal parts, it's important to specify their hardness. However, many engineers have only a shaky understanding of what hardness actually is, or how it's measured. There are good reasons ...