The Effects Of Slip Character And Crack Closure On The Growth Of Small Fatigue Cracks In Titanium Aluminium Alloys
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The Effects Of Slip Character And Crack Closure On The Growth Of Small Fatigue Cracks In Titanium Aluminium Alloys
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Author : James M. Larsen
language : en
Publisher:
Release Date : 1990
The Effects Of Slip Character And Crack Closure On The Growth Of Small Fatigue Cracks In Titanium Aluminium Alloys written by James M. Larsen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Aluminum alloys categories.
An investigation was performed to study the effects of slip character and crack closure on the propagation of small fatigue cracks in titanium- aluminum alloys. The materials examined were solution-treated Ti-4Al and Ti-8Al, as well as aged Ti-8Al. The propagation of naturally initiated surface cracks of depths as small as 25 micrometers was compared with the behavior of large through-thickness cracks. An extensometer was used to monitor crack closure throughout the large crack tests, and the closure behavior of the small cracks was measured using a computerized laser interferometric displacement gage having a displacement resolution of 0.01 micrometer. The measurements of crack closure were used to compute an effective stress intensity factor range. In all three alloys and for all test conditions, which included a range of stress levels and stress ratios, small cracks propagated faster than large cracks subjected to an equivalent Delta K, and the small cracks propagated under conditions that were significantly below the large-crack threshold, Delta K(th). Although the character and distribution of slip in Ti-Al alloys may have a dramatic influence on fatigue crack initiation and on the propagation of large cracks, this effect was minimal for small cracks.
Mechanics Of Fatigue Crack Closure
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Author : Wolf Elber
language : en
Publisher: ASTM International
Release Date : 1988
Mechanics Of Fatigue Crack Closure written by Wolf Elber and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Fracture mechanics categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Small Crack Test Methods
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Author : James M. Larsen
language : en
Publisher: ASTM International
Release Date : 1992
Small Crack Test Methods written by James M. Larsen and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Elasticity categories.
Reviews the most recent methods for testing small cracks in a variety of materials, providing detailed quantitative information on necessary procedures for data acquisition. Emphasizes the characterization of small, three-dimensional fatigue cracks, initiated either naturally or artificially. The ei
Faa Nasa International Symposium On Advanced Structural Integrity Methods For Airframe Durability And Damage Tolerance
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Author : Charles E. Harris
language : en
Publisher:
Release Date : 1994
Faa Nasa International Symposium On Advanced Structural Integrity Methods For Airframe Durability And Damage Tolerance written by Charles E. Harris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Airframes categories.
Metals Abstracts
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Author :
language : en
Publisher:
Release Date : 1995
Metals Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Metallurgy categories.
Proceedings Of The Society For Experimental Mechanics
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Author : Society for Experimental Mechanics (U.S.)
language : en
Publisher:
Release Date : 1991
Proceedings Of The Society For Experimental Mechanics written by Society for Experimental Mechanics (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Materials categories.
Proceedings Of The Vi International Congress On Experimental Mechanics
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Author : Frank Adams
language : en
Publisher:
Release Date : 1988
Proceedings Of The Vi International Congress On Experimental Mechanics written by Frank Adams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Small Fatigue Cracks
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Author : K.S. Ravichandran
language : en
Publisher: Elsevier
Release Date : 1999-09-30
Small Fatigue Cracks written by K.S. Ravichandran and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-09-30 with Technology & Engineering categories.
This book contains the fully peer-reviewed papers presented at the Third Engineering Foundation Conference on Small Fatigue Cracks, held under the chairmanship of K.S. Ravichandran and Y. Murakami during December 6-11, 1998, at the Turtle Bay Hilton, Oahu, Hawaii. This book presents a state-of-the-art description of the mechanics, mechanisms and applications of small fatigue cracks by most of the world's leading experts in this field. Topics ranging from the mechanisms of crack initiation, small crack behavior in metallic, intermetallic, ceramic and composite materials, experimental measurement, mechanistic and theoretical models, to the role of small cracks in fretting fatigue and the application of small crack results to the aging aircraft and high-cycle fatigue problems, are covered.
Alloys Index
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Author :
language : en
Publisher:
Release Date : 1989
Alloys Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Alloys categories.