Testing working properties of materials
Lesson 4 / 8
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I can test the working properties of materials.
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Hardness is a material's ability to resist scratching and indentation.
Vickers and Brinell are industrial hardness tests.
The Vickers and Brinell tests measure hardness by pressing an indenter into the material and observing the mark left.
A hardness test can be simulated in a workshop using a centre punch and a hammer.
Hardness can be tested by scratching the surface of a material with a scribe.
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