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fatigue fracture

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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
... , 2001 6.41 Chaplin R.A. , Ed., Thermal Power Plants , Vol 1 , EOLSS Publishers Co. Ltd. , 2009 6.42 Dooley R.B. and Bursik A. , Corrosion Fatigue, Power Point Chemistry , Vol 11 ( No. 10 ), 2009 , p 586 – 591 Mechanical fatigue is defined as fracture under...
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
... Abstract Fatigue fractures are generally considered the most serious type of fracture in machinery parts simply because fatigue fractures can and do occur in normal service, without excessive overloads, and under normal operating conditions. This chapter first discusses the three stages...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630063
EISBN: 978-1-62708-270-9
... applications, and fatigue for multiple-load applications. Each of these fracture modes are discussed in this chapter. The factors affecting the ductile brittle relationship are also covered. cleavage fatigue fracture modes intergranular fracture quasi-cleavage fracture shear single-load fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
...-reformer tubes. Generally, the type of failure in these applications is established by examination of fracture surfaces and comparison of operating conditions in which the failure occurred with available data on creep, stress rupture, tension, elevated-temperature fatigue, and thermal-fatigue...
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.t53610001
EISBN: 978-1-62708-303-4
... Abstract This chapter provides a brief review of industry’s battle with fatigue and fracture and what has been learned about the underlying failure mechanisms and their effect on product lifetime and service. It recounts some of the tragic events that led to the discovery of fatigue and brittle...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610327
EISBN: 978-1-62708-303-4
... Abstract This chapter covers the fatigue and fracture behaviors of ceramics and polymers. It discusses the benefits of transformation toughening, the use of ceramic-matrix composites, fracture mechanisms, and the relationship between fatigue and subcritical crack growth. In regard to polymers...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
.... Campbell, ASM International, 2010. Portions of the section on fatigue came from Mechanics and Mechanisms of Fracture: An Introduction by A.F. Liu, ASM International, 2005. When examining data sheets for carbon-fiber composites, the unidirectional properties (0° and 90°) are usually the only ones...
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
... others and how it led to the development of a strain-based approach to fatigue and the use of fatigue strength and ductility coefficients. It reviews the three stages of fatigue, beginning with crack initiation followed by crack growth and final fracture. It explains how fracture mechanics can be applied...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... prediction and related design methods and some of the factors involved in high-temperature fatigue, including creep-fatigue interaction and thermomechanical damage. constant-load creep curves creep deformation creep-fatigue interaction elevated-temperature fracture high-temperature fatigue stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... Abstract Durability is a generic term used to describe the performance of a material or a component made from that material in a given application. In order to be durable, a material must resist failure by wear, corrosion, fracture, fatigue, deformation, and exposure to a range of service...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... Abstract This chapter discusses the various factors influencing the evaluation of fatigue fracture of nitrided layers. It begins by describing the problems of enhancing the fatigue resistance of machine components. The significance and detailed assessment of the effect of a structural flaw are...
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
... & Sons, Inc. , 1998 9. Mitchell M.R. , Fundamentals of Modern Fatigue Analysis for Design , Fatigue and Fracture , Vol 19 , ASM Handbook , ASM International , 1996 10. Juvinall R.C. , Stress, Strain, and Strength , McGraw-Hill Book Co. , 1967 11. Dieter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Abstract This chapter provides an overview of the possible mechanisms of failure for heat treated steel components and discusses the techniques for examining fractures, ductile and brittle failures, intergranular failure mechanisms, and fatigue. It begins with a description of the general...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130503
EISBN: 978-1-62708-284-6
... within the brightly colored band of the fracture surface. Energy-dispersive spectroscopy of several areas of the fracture surface revealed only iron, manganese, and oxygen. The pipe fractured due to fatigue cracks that initiated at several locations at the toe of the weld. The fatigue cracks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130351
EISBN: 978-1-62708-284-6
... failed T-head and the location of the fracture. Fracture occurred in the run-out area of internal threads at a distance of approximately 50 mm (2 in.) from the forward end. Fig. 1 As-received strain bar from fatigue testing of a hold-back bar assembly Fig. 2 As-received T-head connector...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... brief review of failure types from fracture, distortion, wear, and corrosion. Fracture is a common damage feature, because the vast majority of mechanical failures involve crack propagation—typically classified as ductile, brittle, and fatigue, as briefly described in more detail. Distortion, wear, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130087
EISBN: 978-1-62708-284-6
... condition and material parameters. Particularly for parts that appear to have broken in fatigue, (consider a two-year service life when no similar component had previously cracked in under five years), it may be informative to look at the microstructure and how that may have impacted the fracture toughness...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... through a detailed stress analysis or by using approximate formulas that account for the most common cases. Design should be verified to confirm whether there are stress-concentration points that may activate failure mechanisms due to brittle fracture, corrosion, or fatigue. Examples of peak stresses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130151
EISBN: 978-1-62708-284-6
... cracks to arise and propagate just at the beginning of the harvest, which caused its fast milling rupture. Fig. 15 Aspect of the fracture surface showing that approximately 30% of the longitudinal section had been taken over by the cracks diffused by fatigue. Many subsuperficial casting defects...