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[期刊论文]

Effect of TiB2 content on the microstructure and mechanical properties of Ti(C,N) TiB2-FeCoCrNiAl high-entropy alloys composite cermets

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author:

Li, Zhanjiang (Li, Zhanjiang.) [1] | Zhu, Chenglong (Zhu, Chenglong.) [2] | Cai, Bingjie (Cai, Bingjie.) [3] | Unfold

Indexed by:

EI Scopus SCIE

Abstract:

Composite cermets with different mass ratios of Ti (C,N)/TiB2 and 10 wt % FeCoCrNiAl high-entropy alloys (HEAs) hinder were fabricated by mechanical alloying and vacuum hot press sintering. The effect of the TiB2 content on the microstructure and mechanical properties of the Ti (C,N)-TiB2-HEAs cermets was systematically examined and is discussed in detail. The microstructure was analyzed by X-ray diffraction (XRD), scanning electron microscopy, and transmission electron microscopy (TEM). The results of this study show that a small amount of Fe2B phase was detected in the XRD patterns besides the Ti(C,N) and TiB2 phase. The TEM observation shows the presence of a HEAs binder phase, which was tightly bound to Ti(C,N) and TiB2 phases. The grain size of the composite cermets gradually decreased with increasing TiB2 content increased from 0 to 45 wt %. The relative density of the composite cermets first increased and then decreased with increasing TiB2 content from 11.25 to 45wt c/r. When the TiB2 content reached 22.5wt %, the composite cermets exhibited excellent comprehensive performance. The grain size, relative density, and hard phase of the composite cermets were the dominating factors that determined the mechanical properties with increasing TiB2 content. The relative density, Vickers hardness, bending strength, and fracture toughness of the Ti (C,N)-22.5 wt % TiB2-10 wt % HEAs composite cermets reached 98.86 +/- 0.20%, 1954.4 +/- 20 HV10, 727 +/- 20 MPa, and 7.9 +/- 0.1 MPa m(1/2), respectively. (C) 2020 The Ceramic Society of Japan. All rights reserved.

Keyword:

High entropy alloys Mechanical properties Microstructure TiB2 content Ti(C,N)-TiB2-HEAs composite cermets

Community:

  • [ 1 ] [Li, Zhanjiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 2 ] [Cai, Bingjie]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 3 ] [Chang, Fa]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 4 ] [Liu, Xiaoqiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 5 ] [Naeem, Muhammad Zeeshan]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 6 ] [Dai, Pinqiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 7 ] [Li, Zhanjiang]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 8 ] [Cai, Bingjie]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 9 ] [Chang, Fa]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 10 ] [Liu, Xiaoqiang]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 11 ] [Naeem, Muhammad Zeeshan]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 12 ] [Dai, Pinqiang]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China
  • [ 13 ] [Zhu, Chenglong]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 14 ] [Dai, Pinqiang]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350116, Peoples R China

Reprint 's Address:

  • 戴品强

    [Dai, Pinqiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China;;[Dai, Pinqiang]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350108, Peoples R China;;[Dai, Pinqiang]Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350116, Peoples R China

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Source :

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN

ISSN: 1882-0743

Year: 2020

Issue: 2

Volume: 128

Page: 66-74

1 . 2 2 4

JCR@2020

1 . 3 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:196

JCR Journal Grade:3

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 11

SCOPUS Cited Count: 10

30 Days PV: 2

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