| http://www.w3.org/ns/prov#value | - U.S. Pat. No. 4,830,930 describes a binder phase enrichment obtained through decarburization after the sintering whereby a binder phase enrichment is obtained which also contains cubic phase.It is well known in the art that the thickness of the binder phase enriched zone decreases towards sharp corners, such as the cutting edge of a cutting insert, and that a brittle binder phase depleted zone, en
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