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 ...

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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 ...

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.