CIESC Journal

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A NEW METHOD FOR ACHIEVING DROPWISE CONDENSATION (Ⅱ) NEW SURFACE MATERIALS FOR DROPWISE CONDENSATION

张东昌; 林载祁; 林纪方   

  1. College of Chemical Engineering, Dalian Institute of Technology, Dalian
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:1988-12-28 发布日期:1988-12-28
  • 通讯作者: 张东昌

A NEW METHOD FOR ACHIEVING DROPWISE CONDENSATION (Ⅱ) NEW SURFACE MATERIALS FOR DROPWISE CONDENSATION

ZHANG Dongchang; LIN Zaiqi; LIN Jifang   

  1. College of Chemical Engineering, Dalian Institute of Technology, Dalian
  • Received:1900-01-01 Revised:1900-01-01 Online:1988-12-28 Published:1988-12-28
  • Contact: ZHANG Dongchang

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摘要： Technology of ion-plating and ion-beam mixing was employed to prepare surface alloys on copper tubes. Elements chosen for the purpose are Cr, Fe, Al, N, Bi, Sb, Sn, Se and In. Excellant dropwise condensation of steam was then obtained on some external surfaces of these copper tubes and the mechanism for the dropwise condensation was analysed.The surface characteristics of the Cu-Cr and Cu-Fe alloy layers were analysed by using XPS, AES and AES-PRO of PHI-550 multiple function electron spectroscopy.

Abstract: Technology of ion-plating and ion-beam mixing was employed to prepare surface alloys on copper tubes. Elements chosen for the purpose are Cr, Fe, Al, N, Bi, Sb, Sn, Se and In. Excellant dropwise condensation of steam was then obtained on some external surfaces of these copper tubes and the mechanism for the dropwise condensation was analysed.The surface characteristics of the Cu-Cr and Cu-Fe alloy layers were analysed by using XPS, AES and AES-PRO of PHI-550 multiple function electron spectroscopy.

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