Abstract:Machining of cemented carbide pre-sintered forms is a strong abrasive operation, leading to significant expenses on tool consumption. To overcome this problem, the industry often uses very hard polycrystalline diamond (PCD) inserts. However, the presence of a soft binder in the PCD diamond layer weakens its abrasion resistance. An alternative to PCD is the use of cobalt-free CVD diamond films as cutting tools. In this work, CVD diamond films brazed to metal holders were used as cutting tips in machining of gre… Show more
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