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fatigue life

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610147
EISBN: 978-1-62708-303-4
... Abstract This chapter discusses the factors that play a role in fatigue failures and how they affect the service life of metals and structures. It describes the stresses associated with high-cycle and low-cycle fatigue and how they differ from the loading profiles typically used to generate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540383
EISBN: 978-1-62708-309-6
... Abstract Fatigue life analysis and crack growth life prediction require an accurate interpretation of the load spectrum. This appendix presents two methods for interpreting load spectra and provides several data plots and tables comparing fatigue test data with analytically predicted values...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... Abstract This chapter provides information and data on the fatigue and fracture properties of steel, aluminum, and titanium alloys. It explains how microstructure, grain size, inclusions, and other factors affect the fracture toughness and fatigue life of these materials and the extent to which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
..., it covers general characteristics, viscoelastic properties, and static strength. It also discusses fatigue life, impact strength, fracture toughness, and stress-rupture behaviors as well as environmental effects such as plasticization, solvation, swelling, stress cracking, degradation, and surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
... hardening and softening, both of which lead to premature failure. It then discusses the stages of fatigue fracture, using detailed images to show how cracks initiate and grow and how they leave telltale marks on fracture surfaces. It goes on to describe fatigue life assessment methods and demonstrate their...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... and appears to have considerable merit in estimating the total fatigue life of notched and cracked structures. damage rate fatigue crack initiation fatigue crack propagation fatigue life nonarbitrary crack size LOW-CYCLE FATIGUE CONCEPTS based on the local stress-strain approach have...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240243
EISBN: 978-1-62708-251-8
... occurs. It describes the most effective methods of improving fatigue life. The chapter also explains the effect of geometrical stress concentrations on fatigue. In addition, it explores the environmental effects of corrosion fatigue, low-temperature fatigue, high-temperature fatigue, and thermal fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
..., fatigue, manufacturing, and operational issues. Any such failure ultimately affects the performance of the plant due to unscheduled forced shutdowns. Therefore, the condition of the tubes needs to be checked periodically by RLA tests. Remaining life assessment evaluates the present condition of the tubes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610263
EISBN: 978-1-62708-303-4
... the fatigue life of welded joints and discusses the factors that can reduce the fracture toughness of weld metals. bolted joints fatigue life fracture toughness rivets welded joints FAILURE IN ENGINEERING STRUCTURES are still common today, despite the fact that modern tools for...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... influence its formation. It covers alloy selection and mitigation techniques and includes examples of SCC in aircraft components. The chapter also addresses corrosion fatigue, explaining how different environments and operating conditions affect crack propagation, fatigue strength, and fatigue life. It...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
..., fatigue life, and stress rupture failures. ceramics engineering plastics fatigue crack propagation fracture toughness glasses mechanical behavior IN PREVIOUS CHAPTERS, discussion has focused on metals—their mechanical behavior and the analytical methods applicable to them. The structural...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
... associated with the freckles. Laves phases and carbides are hard particles, which form in these heavy solute concentration regions and are highly detrimental to fatigue life. Freckled structures must be avoided in any superalloy that is intended for service where fatigue life is an important design criterion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... cracking and thus should be considered when predicting useful product life. brittle fracture fatigue cycles linear elastic fracture mechanics material defects stress intensity structural design IT IS OFTEN STATED that history repeats itself. Yet, when it comes to the failure of structural...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... for structural employment. Like all engineering materials, failure often ensues in the plastic as a consequence of accumulated irreversible damage or growth of a fatigue flaw to a critical dimension. The fatigue life of a polymeric component is controlled by a number of factors; in general, polymers...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630117
EISBN: 978-1-62708-270-9
... Dennies D.P. , Counting on Fatigue: Striations and Their Measure , Journal of Failure Analysis and Prevention , Vol 10 ( No. 2 ), April 2010 , p 120 – 137 10.1007/s11668-009-9320-4 3. Miner M.A. , Estimation of Fatigue Life with Particular Emphasis on Cumulative Damage , Metal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... of Composite Materials , Vol 4 , Elsevier Science Publishing Company , New York , 1991 9. Schaff J.R. , Fatigue and Life Prediction , Composites , Vol 21 , ASM Handbook , ASM International , 2001 10.31399/asm.hb.v21.a0003382 10. Composites , Vol 1 , Engineered Materials...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... of this is the attempt to describe the mechanism of material failure through the coefficient of stress intensity ( K IC ), both when the failure takes place under variable loads (fatigue) as well as when it occurs due to wear in processes involving friction. Computation of the life of machine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
... that fatigue crazes are terminated by, and interact through, pairs of shear bands. A crack ultimately initiates and propagates within one of the crazes. Related studies on polystyrene (PS) and polymethyl methacrylate (PMMA) show that long fatigue life at low stress amplitude is associated with more...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
.... The pits that occur on the surfaces of contacting parts as a result of contact stress fatigue seem to have three different types of behavior. Some start as microscopic cavities and may stay microscopic throughout the life of the part. They cause only a dull, frosted appearance on an otherwise bright...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... failed after a service life of about 7 years. The failure had occurred in the form of a crack in the transverse direction, and leakage was noticed from this crack during a hydro test. There were white residues and deposits at the superheater tube surface. The MOC of the tube was SA 213 Grade T11 steel...