Effects of high-temperature hydrogen exposure on room temperature tensile properties and fatigue crack growth behaviour of TiAl base alloy

2002 ◽  
Vol 338 (1-2) ◽  
pp. 54-59 ◽  
Author(s):  
Y. Iino ◽  
K.W. Gao ◽  
K. Okamura ◽  
L.J. Qiao ◽  
W.Y. Chu
Keyword(s):  
Fatigue Crack ◽  
High Temperature ◽  
Fatigue Crack Growth ◽  
Tensile Properties ◽  
Crack Growth ◽  
Room Temperature ◽  
Base Alloy ◽  
Growth Behaviour ◽  
Crack Growth Behaviour ◽  
Hydrogen Exposure

Effect of High Temperature Air-Exposure on Room Temperature Fatigue Crack Growth of Ni-Base Single Crystal Superalloy CMSX-10

2004 ◽  
Vol 261-263 ◽  
pp. 1191-1196
Author(s):  
Y. Iino
Keyword(s):  
Fatigue Crack ◽  
High Temperature ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Room Temperature ◽  
Compact Tension ◽  
Growth Direction ◽  
Growth Behaviour ◽  
Air Exposure ◽  
Crack Growth Behaviour

Room temperature fatigue crack growth behaviour of un-exposed(as-received) and high temperature air-exposed(at 1100°C for 24 to 1000 h) CMSX-10 was investigated. A small compact tension specimen with [001] loading direction and [110] fatigue crack growth direction was used. The fatigue crack growth results were analyzed using a stress intensity parameter K . It is shown that the air-exposure has no deteriorative effect on the crack growth behaviour, even though the microstructure has changed by the exposure(coarsening of γ' ). The crystallographic facet fracture of (1-11) and (-111) planes appeared and the intersection of the planes forms sets of lines(ridge and valley) parallel to [110] direction. The fatigue crack tip front is schematically shown.

scholarly journals Fatigue crack growth behaviour of Inconel 718 – the concept of a damaged zone caused by high temperature hold times

2011 ◽  
Vol 10 ◽  
pp. 2821-2826 ◽  
Author(s):  
David Gustafsson ◽  
Johan Moverare ◽  
Kjell Simonsson ◽  
Sten Johansson ◽  
Magnus Hörnqvist ◽  
...  
Keyword(s):  
Fatigue Crack ◽  
High Temperature ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Inconel 718 ◽  
Growth Behaviour ◽  
Crack Growth Behaviour ◽  
Damaged Zone

scholarly journals Fatigue crack growth behaviour of Inconel 718 with high temperature hold times

2010 ◽  
Vol 2 (1) ◽  
pp. 1095-1104 ◽  
Author(s):  
David Gustafsson ◽  
Johan Moverare ◽  
Sten Johansson ◽  
Magnus Hörnqvist ◽  
Kjell Simonsson ◽  
...  
Keyword(s):  
Fatigue Crack ◽  
High Temperature ◽  
Fatigue Crack Growth ◽  
Crack Growth ◽  
Inconel 718 ◽  
Growth Behaviour ◽  
Crack Growth Behaviour
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