SUPERHARD COMPOSITE MATERIAL
FIELD: production of superhard materials in apparatuses with high pressure and temperature; may be used in mechanical engineering in capacity of edges cutting tools. SUBSTANCE: material has cutting layer including, vol.%: cubic boron nitride BNjph, 30-50; nitrides and borides of titanium and aluminu...
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Zusammenfassung: | FIELD: production of superhard materials in apparatuses with high pressure and temperature; may be used in mechanical engineering in capacity of edges cutting tools. SUBSTANCE: material has cutting layer including, vol.%: cubic boron nitride BNjph, 30-50; nitrides and borides of titanium and aluminum TiN, TiB2, AlN, AlB12, 20-55; copper and a series of intermetallic compounds, 15-30; they are the following: copper and titanium CuTi3, CuTi2, CuTi; copper and aluminum Cu9Al4, Cu3Al2, CuAl; titanium and aluminum TiAl, TiAl3; copper, titanium and aluminum CuAl4Ti8, Cu4Al71Ti25 and heat-exchange layer of hard alloy of composition Ti5K6, and cutting layer amounts to 50-85 vol. % and heat-exchange layer, to 501-5 vol.%. EFFECT: higher cutting properties. 2 tblc |
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