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  • Users: Crazytony
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  1. Crazytony

    Descending fracture toughness of tungsten sintered carbide

    Hi, I measure Vickers hardness on the specimens from tungsten sintered carbide and from the cracks on the edges of the indentation I measure the lenghts of the cracks. I count the fracture toughness over Palmqvist empirical formula from the lenghts of the cracks. I measure every month and values...

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