Influence of the SiC grain size on the wear behaviour of Al2O3/SiC composites

被引:44
作者
Belmonte, M [1 ]
Nieto, MI [1 ]
Osendi, MI [1 ]
Miranzo, P [1 ]
机构
[1] CSIC, Inst Ceram & Vidrio, Madrid, Spain
关键词
Al2O3; SiC; composites; toughness and toughening; wear resistance;
D O I
10.1016/j.jeurceramsoc.2005.01.049
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Dry ceramic block-on-steel ring wear tests were performed at high loads in several Al2O3/20 vol.% SiC composites as a function of the SiC grain size, which ranged from 0.2 to 4.5 mu m in d(50). The wear resistance of the monolithic alumina was radically improved by the addition of the SiC particles, reducing down to one order of magnitude wear rate. Two different behaviours were identified according to the microstructural observations on the worm surfaces: intergranular fracture and grain pull-out in the monolithic Al2O3, and plastic deformation and surface polishing in the composites. The wear resistance of the Al2O3/SiC composites increased with the SiC grain size due to their fracture toughness enhancement. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1273 / 1279
页数:7
相关论文
共 19 条
[1]   Thermal conductivity of Al2O3/SiC platelet composites [J].
Barea, R ;
Belmonte, M ;
Osendi, MI ;
Miranzo, P .
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2003, 23 (11) :1773-1778
[2]   Fracture behavior of Al2O3/SiC-platelet composites [J].
Belmonte, M ;
Moya, JS ;
Miranzo, P ;
Nguyen, D ;
Dubois, J ;
Fantozzi, G .
JOURNAL OF MATERIALS RESEARCH, 1996, 11 (10) :2528-2535
[3]   Role of triboelectrification mechanism in the wear behaviour of Al2O3-SiC platelet composites [J].
Belmonte, M ;
Jurado, JR ;
Treheux, D ;
Miranzo, P .
WEAR, 1996, 199 (01) :54-59
[4]   Effects of silicon carbide nano-phase on the wet erosive wear of polycrystalline alumina [J].
Davidge, RW ;
Twigg, PC ;
Riley, FL .
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 1996, 16 (07) :799-802
[5]   QUASI-STATIC SOLID PARTICLE DAMAGE IN BRITTLE SOLIDS .1. OBSERVATIONS, ANALYSIS AND IMPLICATIONS [J].
EVANS, AG ;
WILSHAW, TR .
ACTA METALLURGICA, 1976, 24 (10) :939-956
[6]   SLIDING WEAR OF SELF-MATED AL2O3-SIC WHISKER-REINFORCED COMPOSITES AT 23-1200-DEGREES-C [J].
FARMER, SC ;
DELLACORTE, C ;
BOOK, PO .
JOURNAL OF MATERIALS SCIENCE, 1993, 28 (05) :1147-1154
[7]   Evidence for bulk residual stress strengthening in Al2O3/SiC nanocomposites [J].
Ferroni, LP ;
Pezzotti, G .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2002, 85 (08) :2033-2038
[8]  
HOMENY J, 1987, AM CERAM SOC BULL, V66, P333
[9]   Wet erosion behaviour of low SiC alumina-SiC nanocomposites [J].
Kara, H ;
Roberts, SG .
JOURNAL OF MATERIALS SCIENCE, 2002, 37 (12) :2421-2426
[10]  
Lawrence CW, 1998, SILIC IND, V63, P73