FIELD: powder metallurgy; methods of manufacture of sintered-carbide tools at gradient of surface layer properties. SUBSTANCE: proposed method includes application of layer of metal on base at thickness of 1.5- 3.0 mcm; base is preliminarily sintered at temperature of 1100-1250 C, after which final sintering is performed. EFFECT: improved properties of tools for heavy cutting conditions. 4 cl, 7 tbl, 10 ex
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Authors
Dates
2003-09-10—Published
2000-12-29—Filed