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scratch hardness

    0.01 sec.
scratch hardness [′skrach ‚härd·nəs]
(materials)
A measure of the resistance of minerals or metals to scratching; for minerals it is defined by comparison with 10 selected minerals which are numbered in order of increasing hardness according to the Mohs scale.


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It was measured by using a scratch hardness tester (ASTM D 5178, Sheen Instruments Limited in England).
3 Under certain assumptions (31-33), groove width can be also related to the so-called scratch hardness [H.
1 None ASTM D3363, Scratch Hardness Test Adhesion to Solder 3.
 
 
 
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