METHOD FOR DEPOSITING A COATING AND A COATED CUTTING TOOL
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
May 28, 2013
filing date -
May 29, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for depositing a hard and wear resistant layer onto a tool body of a hard alloy of, for example, cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel, includes depositing the layer by highly ionised physical vapour deposition using elemental, composite and/or alloyed source material comprising the elements Me, where Me is one or more of Ti, V, Cr, Y, Zr, Nb, Mo, Hf, Ta, W, B, Al, and Si, using a process gas o one or more of the elements C, N, O, and S, and applying a first substrate bias potential, Ub1, where −900 V
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