Effect of SiC additions on microstructure, mechanical properties and thermal shock behaviour of alumina–mullite–zirconia composites

2011 ◽  
Vol 530 ◽  
pp. 585-590 ◽  
Author(s):  
H. Majidian ◽  
T. Ebadzadeh ◽  
E. Salahi
1993 ◽  
Vol 2 (2) ◽  
pp. 096369359300200 ◽  
Author(s):  
R S Russell-Floyd ◽  
R Johnson ◽  
R G Cooke ◽  
B Harris

This paper discusses the effect of thermal shock on the mechanical properties of some ceramic matrix composites manufactured by the sol-gel process. The composites were prepared by the freeze-gelation of aqueous sols of two different matrix compositions, each containing about 10vol% of Saffil alumina fibres. The properties of one composite remained almost unaffected by the thermal shock, while those of the second material remained unaffected up to about 300°C and then fell smoothly as the water-quenching temperature was further increased to 600°C.


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