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author:

Song, GM (Song, GM.) [1] | Wu, Y (Wu, Y.) [2] | Li, Q (Li, Q.) [3] (Scholars:李强)

Indexed by:

EI Scopus SCIE

Abstract:

In order to improve the elevated strength and thermal shock resistance of TiC materials, 20vol% short carbon fiber-reinforced TiC composite (C-f/TiC) was produced by hot pressing. With carbon fiber addition, the strength and fracture toughness of TiC is increased remarkably, and the elastic modulus and thermal expansion coefficient are decreased. The strength value of C-f/TiC composite is 593 MPa at room temperature and 439 MPa at 1400degreesC, and the fracture toughness value at room temperature is 6.87 MPa m(1,2). The thermal stress fracture resistance parameter, R. thermal stress damage resistance parameter, R-IV, and thermal stress crack stability parameter, R-st, are all increased. The residual strength decreases significantly when the thermal shock temperature difference, DeltaT, is higher than 900degrees C, and the residual strength is 252 MPa. when DeltaT is 1400degreesC. Carbon fiber reinforced-TiC composite exhibits superior resistance to thermal shock damage compared with monolithic TiC. The catastrophic failure induced by severe thermal stresses can be prevented in C-f/TiC composite. 22002 Elsevier Science Ltd. All rights reserved.

Keyword:

carbon fiber composites mechanical properties thermal shock resistance TiC

Community:

  • [ 1 ] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
  • [ 2 ] Beijing Gen Res Inst Min & Met, Beijing 100044, Peoples R China
  • [ 3 ] Fuzhou Univ, Sch Mat Sci & Engn, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Song, GM]Harbin Inst Technol, Sch Mat Sci & Engn, POB 433, Harbin 150001, Peoples R China

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Source :

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

ISSN: 0955-2219

Year: 2002

Issue: 4

Volume: 22

Page: 559-566

1 . 1 4 2

JCR@2002

5 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 39

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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