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author:

Xiang Zhongnan (Xiang Zhongnan.) [1] | Li Zhanjiang (Li Zhanjiang.) [2] | Huang Shuigen (Huang Shuigen.) [3] | Chang Fa (Chang Fa.) [4] | Dai Pinqiang (Dai Pinqiang.) [5]

Indexed by:

EI SCIE PKU

Abstract:

Dense Co- and Ni-bonded Ti(C0.6T0.4) matrix cermets with secondary carbides, i.e., WC, Mo2C, and NbC, were prepared by liquid phase sintering in vacuum for 60 min at temperatures ranging from 1410 to 1490 degrees C. The detailed microstructural and phase analysis was performed by scanning electron microscopy, electron probe microanalysis, and X-ray diffraction. The effect of sintering temperature on the microstructure, mechanical properties, and machining performance of cermets was investigated. The results show that sintering temperature has a significant impact on the microstructural characteristics of (Ti, W, Mo, Nb)(C, N) -(Co, Ni) cermets. The total carbon content of cermets decreases with increasing the sintering temperature and a carbon-deficient phase (M6C) is observed in the cermet sintered at 1490 degrees C. The cermets sintered at temperatures of up to 1470 degrees C are composed of an fcc solid solution metal binder and two types of core-rim structured grains, i.e., cubic carbide solution and cubic Ti(C, N) solution phases. The best machining performance on continuous/interrupted turning is found in the cermet sintered at 1470 degrees C because of an optimum combination of hardness and transverse rupture strength.

Keyword:

cermet hardness machining microstructure sintering temperature

Community:

  • [ 1 ] [Xiang Zhongnan]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 2 ] [Li Zhanjiang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 3 ] [Dai Pinqiang]Fuzhou Univ, Coll Mat Sci & Engn, Fuzhou 350116, Peoples R China
  • [ 4 ] [Li Zhanjiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China
  • [ 5 ] [Chang Fa]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 350118, Peoples R China
  • [ 8 ] [Chang Fa]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350118, Peoples R China
  • [ 9 ] [Dai Pinqiang]Fujian Prov Key Lab New Mat Preparat & Forming Te, Fuzhou 350118, Peoples R China
  • [ 10 ] [Huang Shuigen]Katholieke Univ Leuven, Dept Mat Engn, B-1000 Brussels, Belgium

Reprint 's Address:

  • 戴品强

    [Dai Pinqiang]Fujian Univ Technol, Coll Mat Sci & Engn, Fuzhou 350118, Peoples R China

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Source :

RARE METAL MATERIALS AND ENGINEERING

ISSN: 1002-185X

CN: 61-1154/TG

Year: 2021

Issue: 4

Volume: 50

Page: 1179-1186

0 . 5 3 7

JCR@2021

0 . 6 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:142

JCR Journal Grade:4

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

Online/Total:122/10011978
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