Effect of surface defects in Pd-based membranes on the performance of a membrane reactor

2010 ◽  
Vol 5 (1) ◽  
pp. 213-225 ◽  
Author(s):  
Alessio Caravella ◽  
Francesco Paolo Di Maio ◽  
Alberto Di Renzo
Keyword(s):  
Membrane Reactor ◽  
Surface Defects ◽  
Effect Of Surface

Effect of surface defects on the fatigue behavior of a cast TiAl alloy.

2000 ◽  
Vol 646 ◽  
Author(s):  
M. Nazmy ◽  
M. Staubli ◽  
G. Onofrio ◽  
V. Lupinc
Keyword(s):  
Tial Alloy ◽  
High Cycle Fatigue ◽  
Surface Defects ◽  
Fatigue Behavior ◽  
Impact Resistance ◽  
Economic Life ◽  
Crack Advance ◽  
Crack Growth Behavior ◽  
Engine Components ◽  
Effect Of Surface

ABSTRACTThe effect of surface defects on the performance of TiAl-base alloys is an issue of importance in contemplating their application into engine components. Due to the relatively low ductility and low impact resistance of gamma alloys the validation of models for estimating economic life and for safe-life approaches employed for components becomes of great importance. Surface defects can be attributed to various sources during the manufacturing or handling of the components. In fact, little is known about the detrimental effects of surface defects on gamma alloys. In the present study, the effect of artificially introduced surface defects, on the high cycle fatigue behavior of the Ti-47Al-2W-0.5Si, will be investigated and correlated with the crack growth behavior at 700°C. The results are reported in the form of the Kitagawa diagram in which the safe and unsafe zones for crack advance and fracture are defined.

The effect of surface defects in early caries assessment using quantitative light-induced fluorescence (QLF) and micro-digital-photography (MDP)

2012 ◽  
Vol 40 (11) ◽  
pp. 955-961 ◽  
Author(s):  
M.R. Meharry ◽  
D. Dawson ◽  
J.S. Wefel ◽  
J.D. Harless ◽  
C.M. Kummet ◽  
...  
Keyword(s):  
Surface Defects ◽  
Digital Photography ◽  
Early Caries ◽  
Caries Assessment ◽  
Effect Of Surface

Effect of surface defects on charge exchange of low-energy deuterium ions scattered fromSrCl2andBaF2

1998 ◽  
Vol 58 (7) ◽  
pp. 4143-4148 ◽  
Author(s):  
R. Souda ◽  
T. Suzuki ◽  
H. Kawanowa ◽  
E. Asari
Keyword(s):  
Charge Exchange ◽  
Surface Defects ◽  
Low Energy ◽  
Effect Of Surface

Effect of surface defects on vortex penetration in small superconducting squares

2010 ◽  
Vol 470 (20) ◽  
pp. 1145-1147 ◽  
Author(s):  
Y. Kuroda ◽  
S. Hatsumi ◽  
Y. Ootuka ◽  
A. Kanda
Keyword(s):  
Surface Defects ◽  
Effect Of Surface
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