Multipurpose copper alloys

Tebyakin А.V., Fokanov A.N., Podurazhnaya V.F.
UDC
669.35
DOI
10.18577/2307-6046-2016-0-12-5-5
Article PDF (Russian) (565.59 KB)
How to cite
Tebyakin А.V., Fokanov A.N., Podurazhnaya V.F. Multipurpose copper alloys // Proceedings of VIAM. 2016. No. 12. DOI: 10.18577/2307-6046-2016-0-12-5-5. URL: https://test.viam.ru/en/journal/2016/12/5
Keywords
copper, beryllium, bronze, alloy, hardening, ageing, strength, hardness, thermal conductivity.
Abstract

The article introduces VIAM experience of work with copper-beryllium alloys: from production of copper-beryllium ligatures to obtaining beryllium bronze for special purposes. New Cu–Be–Ni-based composition of beryllium bronze as well as the technology of producing extruded bars with improved combination of strength and physical properties to increase service life of produced products has been developed. The research shows that the high resistance to rupture (1140–1210 MPa) and hardness index 42 HRC that beryllium bronze bars receive after heat treatment allow increasing durability of products. The high heat conductivity (144 W/(м•K)) provides better heat removal from friction couple thereby avoiding overheat of the products as well as increasing their resource. Work is executed within implementation of the complex scientific direction 8.6. «Elinvar, wear-resistant alloys and high-strength beryllium-bearing steels for devices and units» («The strategic directions of development of

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