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author:

Xu, Jiaxing (Xu, Jiaxing.) [1] | Gao, Jianjun (Gao, Jianjun.) [2] (Scholars:高建军) | Qin, Hongling (Qin, Hongling.) [3] (Scholars:秦红玲) | Liu, Zhiyang (Liu, Zhiyang.) [4] | Zhu, Linpeng (Zhu, Linpeng.) [5] | Geng, Haibin (Geng, Haibin.) [6] | Yao, Ligang (Yao, Ligang.) [7] (Scholars:姚立纲) | Zhao, Zhilong (Zhao, Zhilong.) [8]

Indexed by:

EI Scopus SCIE

Abstract:

Cu nanowires and a nanoporous Ag matrix were fabricated through directional solidification and selective dissolution of Ag-Cu eutectic alloys. Ag-39.9at.%Cu eutectic alloys were directionally solidified at growth rates of 14, 25, and 34 mu m/s at a temperature gradient of 10 K/cm. The Cu phase in the Ag matrix gradually changed from lamellar to fibrous with an increase in the growth rate. The Ag matrix phase was selectively dissolved, and Cu nanowires of 300-600 nm in diameter and tens of microns in length were prepared in 0.1 M borate buffer with a pH of 9.18 at a constant potential of 0.7 V (vs. SCE). The nanoporous Ag matrix was fabricated through selective dissolution of Cu fiber phase in 0.1 M acetate buffer with a pH of 6.0 at a constant potential of 0.5 V (vs. SCE). The diameter of Ag pores decreased with increasing growth rate. The diameter and depth of Ag pores increased when corrosion time was extended. The depth of the pores was 30 mu m after 12 h.

Keyword:

Ag-Cu eutectic alloys Cu nanowires directional solidification nanoporous Ag matrix selective dissolution

Community:

  • [ 1 ] [Xu, Jiaxing]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 2 ] [Gao, Jianjun]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 3 ] [Qin, Hongling]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 4 ] [Liu, Zhiyang]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 5 ] [Zhu, Linpeng]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 6 ] [Geng, Haibin]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 7 ] [Yao, Ligang]Fuzhou Univ, Sch Mech Engn & Automat, Fuzhou 350116, Peoples R China
  • [ 8 ] [Gao, Jianjun]Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China
  • [ 9 ] [Zhao, Zhilong]Northwestern Polytech Univ, State Key Lab Solidificat Technol, Xian 710072, Peoples R China

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Source :

MATERIALS

ISSN: 1996-1944

Year: 2022

Issue: 22

Volume: 15

3 . 4

JCR@2022

3 . 1 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:91

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 1

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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