Wear resistance of the diamond-impregnated specimens fabricated using the SPS process
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This paper presents the tribological properties of the diamond-impregnated specimens in the grinding process of sandstone materials. Obtained metallic-diamond composites were homogenized in Speed Mixer and sintered by SPS (spark plasma sintering). The matrix was prepared from: Cu-Sn (NAM-40 80/20 containing 20% wt. Sn) and Fe-Cu-Sn powders. After consolidation the diamond-impregnated specimens were tested for density using the hydrostatic method, Rockwell’s hardness using B scale and for wear rate on abrasive sandstone using a testing rig specially designed to simulate the tool application conditions.
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