The Effect of TiC Content and Sintering Temperature on Mechanical  Property of Al2O3 TiC Composite Ceramics

LIU Jun-wang; GUO Ying-kui; Sill Chun-yan

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The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics

更新时间：2026-07-10

- The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics
- Vol. 13, Issue 6, Pages: 114-116(2008)
- 作者机构：
  
  [1]哈尔滨理工大学材料科学与工程学院,黑龙江,哈尔滨,150040
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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LIU Jun-wang, GUO Ying-kui, Sill Chun-yan. The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics[J]. 2008, 13(6): 114-116.
DOI：

LIU Jun-wang, GUO Ying-kui, Sill Chun-yan. The Effect of TiC Content and Sintering Temperature on Mechanical Property of Al2O3 TiC Composite Ceramics[J]. 2008, 13(6): 114-116. DOI：

摘要

摘　　要：利用热压烧结法制备了Al2O3-TiC复合陶瓷材料，研究了TiC含量、烧结温度对材料致密度、抗弯强度、断裂韧性等性能的影响．结果表明：TiC颗粒的引入，可以有效提高Al2O3-TiC复合陶瓷材料的力学性能，当TiC含量为30Vol％、烧结温度为1750℃时，Al2O3-TiC复合材料的断裂韧性值和抗弯强度值达到最大，分别为5．08MPa·m^1/2。和620MPa，试样的断裂方式主要为沿晶断裂，同时也含有穿晶断裂．

Abstract

Al2O3 -TiC Composite Ceramics were prepared by hot- press sintering. The effect of the TiC content and sintering temperature was studied to investigate the mechanical property

such as density

bending strength

fracture toughness. The result indicates that TiC is very effective to improve the mechanical property

when the content of TiC is 30Vol% and the sintering temperature is 1 750℃

the value of bending strength and that of fracture toughness are the maximum

which is 5.08 MPa · m^1/2 and 620 MPa respectively. The main fracture mode of the Al2O3 - TiC composites is intracrystalline fracture

also with some transcrystalline fracture.

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