| 1. | This feature contributed to its early adoption over competing hardness tests.
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| 2. | The Vickers hardness test puts this mineral at a 48.
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| 3. | The traditional methods are based on well-defined physical indentation hardness tests.
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| 4. | Consider hardness test, streak test, specific gravity, borax bead test.
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| 5. | Besides pressure testing, shotshells containing steel pellets require an additional Vickers hardness test.
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| 6. | There is, in general, no simple relationship between the results of different hardness tests.
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| 7. | The Vickers hardness test VH1, of the pellet alloy must not exceed a certain level.
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| 8. | Hardness tests on aluminium cylinders are done on the cylindrical body and must avoid making deep impressions.
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| 9. | It is also the one of the world's hardest woods according to the Janka hardness test.
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| 10. | Hence, the adoption of the Meyer, Knoop, Brinell, Rockwell, and Vickers hardness tests.
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