FIELD: process engineering.
SUBSTANCE: invention relates to powder metallurgy, particularly, to production of diamond cutting tools for construction and stone milling. Proposed copper-based binder comprises the following components in wt %: Cu - 30-60; Fe - 20-35; Co - 10-15; Sn - 0-10.5; WC - 0-20; alloying addition - 0.01-5. Alloying addition represents a nanopowder with specific surface of 75-150 m2/g.
EFFECT: higher wear resistance, hardness, strength and impact number.
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RU2286243C1 |
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DIAMOND TOOLS ON THERMAL-WIRE METAL CONNECTION | 2017 |
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RU2725485C1 |
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RU2432250C2 |
Authors
Dates
2011-10-27—Published
2010-03-01—Filed