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

Author

Listed:
  • 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)

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.

Suggested Citation

  • Hoon Cho & Byoung-Soo Lee & Hyung-Ho Jo, 2010. "DEVELOPMENT OF HIGH STRENGTH AND HIGH CONDUCTIVITYCu–AgALLOY FOR MEDICAL ULTRASOUND EQUIPMENT," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 17(01), pages 93-97.
    • Handle: RePEc:wsi:srlxxx:v:17:y:2010:i:01:n:s0218625x10013953
    DOI: 10.1142/S0218625X10013953
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