DEVELOPMENT OF HIGH STRENGTH AND HIGH CONDUCTIVITYCu–AgALLOY FOR MEDICAL ULTRASOUND EQUIPMENT

Hoon Cho (), Byoung-Soo Lee and Hyung-Ho Jo
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Hoon Cho: Korea Institute of Industrial Technology, 7-47 Sondo-Dong, Yeonsu-Gu, Incheon 406-840, Korea
Byoung-Soo Lee: Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980-8577, Japan
Hyung-Ho Jo: Korea Institute of Industrial Technology, 7-47 Sondo-Dong, Yeonsu-Gu, Incheon 406-840, Korea

Surface Review and Letters (SRL), 2010, vol. 17, issue 01, 93-97

Abstract: The effect of thermal heat treatment on the mechanical and electrical properties ofCu–Agalloys was investigated. The homogenization heat treatment leads to an increase in tensile strength and a decrease in electrical conductivity due to dissolution ofAginto copper matrix. Also, it is shown that electrical conductivity of as-castCu–Agalloys decreases with increasingAgcontent. In contrast, the aging heat treatment gives rise to increase both the tensile strength and electrical conductivity because theAgsolute diffuses out from copper matrix during aging heat treatment. Therefore, it can be mentioned that the electrical conductivity ofCu–Agalloys depends onAgsolute in copper matrix. Also, aging treatment is favorable to acquire high strength and high electrical conductivity.

Keywords: High strength and high conductivity; micro-multicable; ultrasonic diagnostic; solid solution; aging (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1142/S0218625X10013953

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