High Temperature Fatigue Crack Growth Behavior Of Alloy 10
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High Temperature Fatigue Crack Growth Behavior Of Alloy 10
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Author : John Gayda
language : en
Publisher:
Release Date : 2001
High Temperature Fatigue Crack Growth Behavior Of Alloy 10 written by John Gayda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
High Temperature Fatigue Crack Growth Behavior Of Alloy 10
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-19
High Temperature Fatigue Crack Growth Behavior Of Alloy 10 written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-19 with categories.
Methods to improve the high temperature, dwell crack growth resistance of Alloy 10, a high strength, nickel-base disk alloy, were studied. Two approaches, heat treat variations and composition modifications, were investigated. Under the heat treat approach, solution temperature, cooling rates, and stabilization, were studied. It was found that higher solution temperatures, which promote coarser grain sizes, coupled with a 1550 F stabilization treatment were found to significantly reduce dwell crack growth rates at 1300 F Changes in the niobium and tantalum content were found to have a much smaller impact on crack growth behavior. Lowering the niobium:tantalum ratio did improve crack growth resistance and this effect was most pronounced for coarse grain microstructures. Based on these findings, a coarse grain microstructure for Alloy 10 appears to be the best option for improving dwell crack growth resistance, especially in the rim of a disk where temperatures can reach or exceed 1300 T. Further, the use of advanced processing technologies, which can produce a coarse grain rim and fine grain bore, would be the preferred option for Alloy 10 to obtain the optimal balance between tensile, creep, and crack growth requirements for small gas turbine engines. Gayda, John Glenn Research Center NASA/TM-2001-210814, E-12729, NAS 1.15:210814
High Temperature Fatigue Crack Growth Behavior Of Alloy 10
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Author :
language : en
Publisher:
Release Date : 2001
High Temperature Fatigue Crack Growth Behavior Of Alloy 10 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
High Temperature Fatigue Crack Growth Behavior Of Alloy 10 Nasa
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 2003*
High Temperature Fatigue Crack Growth Behavior Of Alloy 10 Nasa written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003* with categories.
High Temperature Fatigue Crack Growth Behavior And Microstructural Evolution In Alloy 230
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Author : Jatuporn Burns
language : en
Publisher:
Release Date : 2010
High Temperature Fatigue Crack Growth Behavior And Microstructural Evolution In Alloy 230 written by Jatuporn Burns and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Heat resistant alloys categories.
Fatigue Crack Growth Behavior Of Four Structural Alloys In High Temperature High Purity Oxygenated Water
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Author : D. A. Hale
language : en
Publisher:
Release Date : 1979
Fatigue Crack Growth Behavior Of Four Structural Alloys In High Temperature High Purity Oxygenated Water written by D. A. Hale and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Experimental Study Of Oxygen Assisted Crack Growth In Alloy 718 And Alloy Ti 1100
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Author :
language : en
Publisher:
Release Date : 1993
Experimental Study Of Oxygen Assisted Crack Growth In Alloy 718 And Alloy Ti 1100 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
The high Temperature fatigue crack growth behavior of alloy 718 is reviewed and investigated. FCGR have then been measured under constant K and various oxygen partial pressures. A transition pressure associated with an important increase of the FCGR is found. At this transition pressure (10-2mbar) the crack propagation path changes from transgranular to intergranular. From this study it is concluded, that intergranular crack growth requires the formation of Ni based oxide during the early stage of the oxidation as well as high intergranular internal stresses promoted by an inhomogeneous distribution of the deformation. The crack growth behavior of TI-1100 is investigated for loading frequencies ranging from 30 Hz to 0.005 Hz at temperature levels extending from 23 Cto 650 C in both air and vacuum environments. Two types of time-dependent damage mechanisms have been identified; oxidation and creep effects. It is concluded that effect of oxidation on the crack growth acceleration is rapid and constant in relation to the frequencies tested and is weekly dependent on cycle time. Creep effects, on the other hand, are dominant at low frequencies in both air and vacuum and are loading-rate dependent.
Fatigue And Fracture Behavior Of High Temperature Materials
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Author : Peter K. Liaw
language : en
Publisher: John Wiley & Sons
Release Date : 2013-10-21
Fatigue And Fracture Behavior Of High Temperature Materials written by Peter K. Liaw and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-21 with Technology & Engineering categories.
Fatigue and Fracture Behavior of High Temperature Materials ...
Fatigue Crack Growth Behavior Of Two Titanium Alloys At Room And Elevated Temperature
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Author : Todd P. Albertson
language : en
Publisher:
Release Date : 1996
Fatigue Crack Growth Behavior Of Two Titanium Alloys At Room And Elevated Temperature written by Todd P. Albertson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aluminum alloys categories.
The Effect Of Temperature Upon The Fatigue Crack Propagation Behavior Of Alloy 625
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Author :
language : en
Publisher:
Release Date : 1990
The Effect Of Temperature Upon The Fatigue Crack Propagation Behavior Of Alloy 625 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Fatigue crack propagation of annealed Alloy 625 was studied in air at 24--649 C. Crack growth rates tend to increase with temperature. Two heats were studied; differences in behavior between them suggest a heat-to-heat variability. Characterization of stress ratio (R=K{sub min}/K{sub max}) effects was also done at 538 C.