For the majority of applications, the choice of hardness tester does not need to be complicated. The testing is performed according to ISO and ASTM standards which dictate how a unit must calculate ...

From setting the indent to displaying the hardness value, the test sequence is always entirely ... With the new patented rapid traverse for the height adjustment, the test unit’s height can be ...

Higher hardness is related generally related to higher strength, which in turn is related to its structure. The Rockwell test uses a small steel sphere for the indenter of a diamond cone for harder ...

In the Brinell method of measuring hardness, as commonly applied, a steel ball of diameter about i cm. is applied to the surface of the test piece under a load of the order of 3000 kg., ...

But using a standard hardness test, which indents the material with a small pyramid and measures the force required, researchers recently observed that the w-BN in fact easily exceeded diamond’s ...

It did. And that seemingly minor change in one dimension gave them their answer: The scratch test is assessing a material's fracture toughness, not its hardness nor strength properties.

Zack Nelson today shared his much-anticipated iPhone 12 Pro durability test on his YouTube channel JerryRigEverything, and based on the Mohs hardness scale, he found that the device's display is ...