POLYCRYSTALLINE DIAMOND MATERIAL WITH HIGH TOUGHNESS AND HIGH WEAR RESISTANCE
摘要
A cutting element that includes a substrate; and an outer layer of polycrystalline diamond material disposed upon the outermost end of the cutting element, wherein the polycrystalline diamond material: a plurality of interconnected diamond particles; and a plurality of interstitial regions disposed among the bonded diamond particles, wherein the plurality of interstitial regions contain a plurality of metal carbide phases and a plurality of metal binder phases together forming a plurality of metallic phases, wherein the plurality of metal carbide phases are formed from a plurality of metal carbide particles; wherein the plurality of interconnected diamond particles form at least about 60 to at most about 80% by weight of the polycrystalline diamond material; and wherein the plurality of metal carbide phases represent at least 50% by weight of the plurality of metallic phases is disclosed.
申请公布号
WO2011017590(A2)
申请公布日期
2011.02.10
申请号
WO2010US44657
申请日期
2010.08.06
申请人
SMITH INTERNATIONAL, INC.;BELLIN, FEDERICO;FANG, YI;STEWART, MICHAEL;MOURIK, NEPHI A.;CARIVEAU, PETER T.
发明人
BELLIN, FEDERICO;FANG, YI;STEWART, MICHAEL;MOURIK, NEPHI A.;CARIVEAU, PETER T.