PITTSBURGH—Measure twice and cut once might seem like the first line in a Carpentry 101 textbook, but it gets a little more complicated in the world of scientific material testing instruments. In the ...
It’s now possible to more easily check the hardness of tiny elastomer part, thanks to a novel testing instrument with supersmall motor-driven probes. Ordinary Shore A hardness testers use a conically ...
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 ...
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