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author:

Wang, H. (Wang, H..) [1] | Guo, K. (Guo, K..) [2] | Liu, X. (Liu, X..) [3] | Hong, C. (Hong, C..) [4] | Wang, W. (Wang, W..) [5] | Dai, P. (Dai, P..) [6] | Tang, Q. (Tang, Q..) [7]

Indexed by:

Scopus

Abstract:

The influence of annealing time and secondary-rolling reduction ratio on grain boundary character distribution (GBCD) in an FCC CoCrFeMnNi high-entropy alloy were investigated via electron backscatter diffraction (EBSD). The results show that the processing of 10% cold-rolling reduction subsequently with annealing at 1073 K for 10 h induces a high frequency of low coincident site lattice (CSL) boundary with >70%, thereby effectively achieving GBCD optimization. As annealing time increases, low-Σ CSL (Σ ≤29) boundary frequency first decreases and then remains constant at approximately 60%. The secondary-rolling reduction ratio followed by annealing at 1073 K for 10 h also exerts a substantial influence on GBCD. As the reduction ratio increases from 6% to 40%, the low-Σ CSL (Σ ≤29) boundary frequency first increases and then decreases. © 2019 Elsevier Inc.

Keyword:

Annealing; Grain boundary character distribution; High-entropy alloy; Secondary rolling

Community:

  • [ 1 ] [Wang, H.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Guo, K.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 3 ] [Liu, X.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, China
  • [ 4 ] [Hong, C.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, China
  • [ 5 ] [Wang, W.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, China
  • [ 6 ] [Dai, P.]College of Materials Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 7 ] [Dai, P.]College of Materials Science and Engineering, Fujian University of Technology, Fuzhou, China
  • [ 8 ] [Dai, P.]Fujian Provincial Key Laboratory of Advanced Materials Processing and Application, Fuzhou, China
  • [ 9 ] [Tang, Q.]School of Mechanical and Electrical Engineering, Putian University, Putian, China

Reprint 's Address:

  • [Dai, P.]College of Materials Science and Engineering, Fujian University of TechnologyChina

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Source :

Materials Characterization

ISSN: 1044-5803

Year: 2019

Volume: 149

Page: 105-110

3 . 5 6 2

JCR@2019

4 . 8 0 0

JCR@2023

ESI HC Threshold:236

JCR Journal Grade:2

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: 0

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