High Temperature Failure Mechanisms of Sintered Silicon Nitride

1992 ◽  
pp. 391-406
Author(s):  
A. K. Mukhopadhyay ◽  
D. Chakraborty ◽  
S. K. Datta
Keyword(s):  
High Temperature ◽  
Silicon Nitride ◽  
Failure Mechanisms ◽  
Sintered Silicon

High temperature strength and fractography of sintered silicon nitride

1991 ◽  
Vol 17 (6) ◽  
pp. 335-341 ◽  
Author(s):  
A.K. Mukhopadhyay ◽  
S.K. Datta ◽  
D. Chakraborty
Keyword(s):  
High Temperature ◽  
Silicon Nitride ◽  
High Temperature Strength ◽  
Sintered Silicon

High-temperature oxidation of reaction-sintered silicon nitride with various additions

1985 ◽  
Vol 24 (3) ◽  
pp. 207-210
Author(s):  
V. A. Lavrenko ◽  
Yu. G. Gogotsi ◽  
A. B. Goncharuk ◽  
A. F. Alekseev ◽  
O. N. Grigor'ev ◽  
...  
Keyword(s):  
High Temperature ◽  
Silicon Nitride ◽  
High Temperature Oxidation ◽  
Temperature Oxidation ◽  
Sintered Silicon

High Temperature Fracture Toughness in Silicon Nitride and Sialon

1993 ◽  
Vol 115 (3) ◽  
pp. 268-272 ◽  
Author(s):  
Y. Mutoh ◽  
N. Miyahara ◽  
K. Yamaishi ◽  
T. Oikawa
Keyword(s):  
Fracture Toughness ◽  
High Temperature ◽  
Transition Temperature ◽  
Silicon Nitride ◽  
Glass Phase ◽  
Temperature Transition ◽  
Brittle To Ductile Transition ◽  
Temperature Fracture ◽  
Increasing Temperature ◽  
Sintered Silicon

Fracture Toughness of HIP-sintered silicon nitride decreased with increasing temperature up to 1200°C. The brittle-to-ductile transition was observed in the temperature range from 1200°C to 1275°C: the fracture toughness rapidly increased in the transition region. Above the transition temperature, the fracture toughness decreased with increasing temperature. Fracture toughness of sialon increased with increasing temperature. Transition of fracture mechanism was observed in sialon around 1300°C. The differences of temperature dependence of fracture toughness between two materials are interpreted in terms of the effects of grain-boundary glass phase on fracture.

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