High-Temperature Time-Dependent Strength of an Si/SiC Composite

1977 ◽  
Vol 60 (3-4) ◽  
pp. 177-178 ◽  
Author(s):  
G. G. TRANTINA ◽  
R. L. MEHAN
Keyword(s):  
High Temperature ◽  
Time Dependent ◽  
Temperature Time

High-Temperature Time-Dependent Gate Breakdown of p-GaN HEMTs

2021 ◽  
pp. 1-6
Author(s):  
M. Millesimo ◽  
C. Fiegna ◽  
N. Posthuma ◽  
M. Borga ◽  
B. Bakeroot ◽  
...  
Keyword(s):  
High Temperature ◽  
Time Dependent ◽  
Gan Hemts ◽  
Temperature Time

High temperature time-dependent low cycle fatigue behaviour of a type 316L(N) stainless steel

1999 ◽  
Vol 21 (1) ◽  
pp. 11-21 ◽  
Author(s):  
V.S Srinivasan ◽  
M Valsan ◽  
R Sandhya ◽  
K Bhanu Sankara Rao ◽  
S.L Mannan ◽  
...  
Keyword(s):  
Stainless Steel ◽  
High Temperature ◽  
Low Cycle Fatigue ◽  
Fatigue Behaviour ◽  
Time Dependent ◽  
Cycle Fatigue ◽  
Type 316L ◽  
Temperature Time

The Microstructure and Mechanical Properties of Ni-Based Superalloy after Service Exposure in Gas Turbine

2010 ◽  
Vol 654-656 ◽  
pp. 2523-2526 ◽  
Author(s):  
Keun Bong Yoo ◽  
Han Sang Lee
Keyword(s):  
High Temperature ◽  
Gas Turbine ◽  
Mechanical Tests ◽  
Time Dependent ◽  
Second Stage ◽  
Degradation Analysis ◽  
Check Points ◽  
Tcp Phase ◽  
Service Exposure ◽  
High Temperature Tensile

Many investigations about superalloys and coatings have been done in the laboratory, but evaluating the degradation condition of hot section components during service is still important not only for repair and reuse but also for outage prevention. Time dependent degradation for second stage blades of gas turbine was investigated. The degradation analysis for used blades was divided into microstructure changes by position of the blade and mechanical tests of high temperature tensile test. In the microstructure analysis, the rafting and coarsening of γ', MC decomposition and TCP phase formation occurred and progressed with increasing service time, and especially the leading and trailing edge of top layer should be a check points for used blade. High temperature tensile results of 25,000 and 52,000 hrs used blades were also compared with serviced time and position in each blade.

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