Structure, conductivity and mechanical properties of non-equilibrium copper-based crystalline alloy nano-composites

H. Miura; N. Nishiyama; N. Togashi; M. Nishida; A. Inoue

doi:10.1016/j.intermet.2010.02.033

Structure, conductivity and mechanical properties of non-equilibrium copper-based crystalline alloy nano-composites

H. Miura, N. Nishiyama, N. Togashi, M. Nishida, A. Inoue

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Beryllium copper (Cu-Be) alloys exhibit well-balanced properties of strength, elongation and conductivity, and have been used as the conventional material of electrical contacting parts. However, improved materials with higher performances are strongly required for miniaturization of their parts and environmental issues of Be. Recently, an alloy design on the basis of glass-forming rules has enabled the development of Cu-Zr-Ag alloys with tensile strength of 1200 MPa, plastic elongation of 3.1% and electrical conductivity of 30.7% IACS in a thin strip form through the simple production process of casting, cold rolling and annealing. This paper intends to present microstructure and properties of the newly developed alloys and discuss the possibility for applying to electrical contacting materials.

Original language	English
Pages (from-to)	1860-1863
Number of pages	4
Journal	Intermetallics
Volume	18
Issue number	10
DOIs	https://doi.org/10.1016/j.intermet.2010.02.033
Publication status	Published - Oct 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "Beryllium copper (Cu-Be) alloys exhibit well-balanced properties of strength, elongation and conductivity, and have been used as the conventional material of electrical contacting parts. However, improved materials with higher performances are strongly required for miniaturization of their parts and environmental issues of Be. Recently, an alloy design on the basis of glass-forming rules has enabled the development of Cu-Zr-Ag alloys with tensile strength of 1200 MPa, plastic elongation of 3.1% and electrical conductivity of 30.7% IACS in a thin strip form through the simple production process of casting, cold rolling and annealing. This paper intends to present microstructure and properties of the newly developed alloys and discuss the possibility for applying to electrical contacting materials.",

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AU - Miura, H.

AU - Nishiyama, N.

AU - Togashi, N.

AU - Nishida, M.

AU - Inoue, A.

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AB - Beryllium copper (Cu-Be) alloys exhibit well-balanced properties of strength, elongation and conductivity, and have been used as the conventional material of electrical contacting parts. However, improved materials with higher performances are strongly required for miniaturization of their parts and environmental issues of Be. Recently, an alloy design on the basis of glass-forming rules has enabled the development of Cu-Zr-Ag alloys with tensile strength of 1200 MPa, plastic elongation of 3.1% and electrical conductivity of 30.7% IACS in a thin strip form through the simple production process of casting, cold rolling and annealing. This paper intends to present microstructure and properties of the newly developed alloys and discuss the possibility for applying to electrical contacting materials.

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