Thermal Mechanical Fatigue Crack Propagation In Nickel And Cobalt Base Superalloys Under Various Strain Temperature Cycles
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Thermal Mechanical Fatigue Crack Propagation In Nickel And Cobalt Base Superalloys Under Various Strain Temperature Cycles
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Author : AE. Gemma
language : en
Publisher:
Release Date : 1973
Thermal Mechanical Fatigue Crack Propagation In Nickel And Cobalt Base Superalloys Under Various Strain Temperature Cycles written by AE. Gemma and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Coatings categories.
Crack propagation rates under isothermal and thermal fatigue cycling have been determined for a conventionally-cast cobalt-base superalloy, and conventionally-cast and directionally-solidified nickel-base superalloys. Linear elastic fracture mechanics, where the crack growth rates under different strain ranges or for various crack lengths depend only on the strain intensity factor range, was found to be applicable over the range of crack growth rates of most practical importance. A comparison of crack growth rates is made for thermal fatigue under various strain-temperature cycles and isothermal low-cycle fatigue, and the influence of coatings and superimposed creep is discussed.
Fatigue At Elevated Temperatures
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Author :
language : en
Publisher: ASTM International
Release Date : 1973
Fatigue At Elevated Temperatures written by and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Metals categories.
Low Cycle Thermal Fatigue
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Author : Gary R. Halford
language : en
Publisher:
Release Date : 1986
Low Cycle Thermal Fatigue written by Gary R. Halford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Metals categories.
Thermomechanical Fatigue Behavior Of Materials
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Author : Michael J. Verrilli
language : en
Publisher: ASTM International
Release Date : 1996
Thermomechanical Fatigue Behavior Of Materials written by Michael J. Verrilli and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Nasa Technical Paper
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Author :
language : en
Publisher:
Release Date : 1984
Nasa Technical Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Astronautics categories.
Thermal Mechanical Fatigue Behavior Of Nickel Base Superalloys
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Author : Norman J. Marchand
language : en
Publisher:
Release Date : 19??
Thermal Mechanical Fatigue Behavior Of Nickel Base Superalloys written by Norman J. Marchand and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with categories.
This report presents the main achievements of a 36-month research program the main objective of which was to gain more insight into the problem of crack growth under thermal mechanical fatigue (TMF) conditions. The program was arranged into five technical tasks. Under Task I, the goal was to identify the crack propagation conditions in aircraft engines (hot section) and to assess the validity of conventional fracture mechanics parameters to address TMF crack growth. The second task defined the test facilities, test specimen and the testing conditions needed to establish the effectiveness of data correlation parameters identified in Task I. Under Task III, a computerized testing system to measure the TMF behavior (LCF and CG behaviors) of various alloy systems was built. A crack propagation test program was defined and conducted under Task IV. The test variables included strain range, strain rate (frequency) and temperature. Task V correlated and generalized the Task IV data for isothermal and variable temperature conditions so that several crack propagation parameters could be compared and evaluated.
Damage Mechanisms And Life Assessment Of High Temperature Components
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Author : Ramaswamy Viswanathan
language : en
Publisher: ASM International
Release Date : 1989
Damage Mechanisms And Life Assessment Of High Temperature Components written by Ramaswamy Viswanathan and has been published by ASM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
Aerospace Structural Metals Handbook
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Author :
language : en
Publisher:
Release Date : 1989
Aerospace Structural Metals Handbook 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.
Time Dependent Fracture
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Author : A.S. Krausz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Time Dependent Fracture written by A.S. Krausz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The understanding of time dependent crack propagation processes occupies a central place in the study of fracture. It also encompasses a wide range of conditions: failure under sustained loading in a corrosive environment, fracture under cyclic loading in non-degrading and in corrosive environment, and rupture at high temperature. This list covers probably 90% of the failures that occur in engineering practice. The process of time dependent fracture is controlled by the physics of atomic interaction changes; it is strongly influenced by the micro structure; and affected by the interaction of the material with the mechanical (load, displacement), the thermal (temperature), and the chemical or radiation environment. To be able to control crack propagation the development of testing methods and the understanding of the industrial environment is essential. The conference was organized in this context. A call was issued for contributions to the following topics. THERMAL ACTIVATION. Theoretical papers dealing with the modification of fracture mechanics to accommodate thermally activated processes. TIME DEPENDENT MICRO-PROCESSES. Presentations covering both the theoretical and observational aspects of creep and fatigue damage in materials whose microstructures may exert a significant influence on crack growth. INDUSTRIAL APPLICATIONS. Submissions describing the practical application of fracture mechanics and damage tolerance analysis to the determination of useful operating lives. x ENVIRONMENTAL EFFECTS. Papers dealing with engineering materials and/or components exposed to aggressive environments, with and without temperature effects. The response was gratifying. Leading experts responded; the organizers of the conference are grateful for the large number of excellent contributions.
Asm Specialty Handbook
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Author : Joseph R. Davis
language : en
Publisher: ASM International
Release Date : 1997-01-01
Asm Specialty Handbook written by Joseph R. Davis and has been published by ASM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-01-01 with Technology & Engineering categories.
Materials covered include carbon, alloy and stainless steels; alloy cast irons; high-alloy cast steels; superalloys; titanium and titanium alloys; refractory metals and alloys; nickel-chromium and nickel-thoria alloys; structural intermetallics; structural ceramics, cermets, and cemented carbides; and carbon-composites.