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author:

Hua, N. (Hua, N..) [1] | Huang, Y. (Huang, Y..) [2] | Zheng, Z. (Zheng, Z..) [3] | Su, M. (Su, M..) [5] | Liao, Z. (Liao, Z..) [6] | Chen, W. (Chen, W..) [7]

Indexed by:

Scopus

Abstract:

In this study, the tribological behaviors of Mg56.5Cu27Ag5Dy11.5 bulk metallic glass (BMG) in air and NaCl solution were investigated using ball-on-disk reciprocating friction. The Mg56.5Cu27Ag5Dy11.5 BMG exhibits higher strength and hardness than those of commercial AZ31B alloy and pure Mg. The wear rate of the Mg56.5Cu27Ag5Dy11.5 in air is 3.8 × 10− 7 mm3·mm− 1·N− 1, which is superior to those of AZ31B alloy (7.3 × 10− 7 mm3·mm− 1·N− 1) and pure Mg (6.5 × 10− 7 mm3·mm− 1·N− 1). The wear mechanism of Mg56.5Cu27Ag5Dy11.5, AZ31B, and pure Mg sliding in air is dominated by oxidation and abrasive wear. The wear rates of alloys in NaCl decrease in the following order: 8.3 × 10− 7 mm3·mm− 1·N− 1 for pure Mg, 6.3 × 10− 7 mm3·mm− 1·N− 1 for AZ31B, and 5.4 × 10− 7 mm3·mm− 1·N− 1 for Mg56.5Cu27Ag5Dy11.5. The Mg56.5Cu27Ag5Dy11.5 and pure Mg demonstrate inferior corrosion resistance in NaCl to that of AZ31B. Thus, the Mg56.5Cu27Ag5Dy11.5 and pure Mg subject to tribocorrosion controlled by synergistic effects of abrasive and corrosive wear, which results in a large wear rate during sliding in NaCl. The possible mechanism of corrosion accelerating wear deterioration is discussed, which provides the guidance for the improvement in the tribocorrosion resistance of Mg-based BMGs for further load-bearing applications. © 2016 Elsevier B.V.

Keyword:

Bulk metallic glass; Corrosion resistance; Corrosive wear; Mg-based alloys; Tribological behavior

Community:

  • [ 1 ] [Hua, N.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 2 ] [Hua, N.]Department of Materials Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Hua, N.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 4 ] [Huang, Y.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 5 ] [Huang, Y.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 6 ] [Zheng, Z.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 7 ] [Zheng, Z.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 8 ] [Huang, Y.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 9 ] [Huang, Y.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 10 ] [Su, M.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 11 ] [Su, M.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 12 ] [Liao, Z.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 13 ] [Liao, Z.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China
  • [ 14 ] [Chen, W.]Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou, 350118, China
  • [ 15 ] [Chen, W.]Department of Materials Science and Engineering, Fuzhou University, Fuzhou, 350116, China
  • [ 16 ] [Chen, W.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, 350118, China

Reprint 's Address:

  • [Hua, N.]Department of Materials Science and Engineering, Fujian University of TechnologyChina

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Source :

Journal of Non-Crystalline Solids

ISSN: 0022-3093

Year: 2017

Volume: 459

Page: 36-44

2 . 4 8 8

JCR@2017

3 . 2 0 0

JCR@2023

ESI HC Threshold:170

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 14

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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