It is typically determined by pressing the indenter into the test sample, and the indenter must be made of a harder material, ...

Based on an optical measurement system, the Vickers Hardness Test uses a diamond indenter to make a dimple that is measured and translated into a hardness value. Because the test indentation is very ...

Get Instant Summarized Text (Gist) Synthetic diamonds with a hexagonal lattice have been developed, exhibiting greater hardness than natural diamonds. The process involves heating and compressing ...

I DESCRIBED recently a form of hardness micro-tester which permits light loads to be applied to a diamond indenter of ... figure by means of a scratch test.