Hardness testers used for optical test methods work over wide load ranges and include equipment for different degrees of operator convenience. Thus, the best-suited tester is available for each ...

This class presents a description of each hardness testing method, along with discussions on how to choose and perform a test, how to read hardness ratings, and how to prevent common errors. Hardness ...

the Rockwell hardness test, and the Vickers hardness test. The Rockwell hardness test is the most widely used technique, easy to carry out and more precise than other kinds of evaluations. The Brinell ...