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fatigue strength

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
... their use on different metals and alloys. The chapter also discusses design-based approaches for preventing fatigue failures. crack initiation crack propagation fatigue analysis fatigue fracture appearance fatigue life fatigue strength THE DEFINITION OF “FATIGUE” according to ASTM Standard E...
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
... (initiation, propagation, and final rupture) of fatigue fracture followed by a discussion of its microscopic and macroscopic characteristics. The relationship between stress and strength in fatigue is explained. The next section provides information that may help the uninitiated to appreciate some...
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
..., and 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...
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
... loads were recorded. Today, structural fatigue has assumed an even greater importance as a result of the ever-increasing use of high-strength materials and the desire for higher performance from these materials. References 1. Fatigue Failures , Failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... failure conditions, tensile strength and yield strength are usually insufficient requirements for design of fracture-resistant structures. Strength by itself may not be sufficient if toughness, resistance to corrosion, stress corrosion, or fatigue are reduced too much in achieving high strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... International , 1987 , p 43 11. Rotem A. and Nelson H.G. , Residual Strength of Composite Laminates Subjected to Tension-Compressive Fatigue Loading , J. Compos. Technol. Res. , Vol 12 , 1990 , p 76 – 84 10.1520/CTR10182J 12. Whitney J.M. , “ Fatigue Characterization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... powierzchniowa˛ obróbke˛ plastyczna˛ (Enhancement of Fatigue Strength through Heat Treatment and Surface Work Hardening ), Proc. XXIV Seminar IMP, XI on Metallurgy and Heat Treatment , Oct 23–24, 1984 ( Warsaw ), IMP (translated from Polish) 2. Babul T. , Nakonieczny A. , and Tacikowski J...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... Abstract This chapter summarizes the performance attributes of advanced high-strength steels, namely stiffness, strength, strain hardening, fatigue, crashworthiness, formability, toughness, and bake hardening. advanced high-strength steels stiffness mechanical strength strain hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... deformation by increasing the contact area in order to reduce the actual compressive stress. Bending fatigue strength, however, is reduced by excessive retained austenite. Figure 9 shows the damage that surface-origin pitting fatigue can cause to operating gear teeth. Fig. 9 Surface-origin...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... of the polymer. Numerous studies indicate that increasing the molecular weight of the polymer increases craze strength, creep-rupture strength, and endurance limit under cyclic loading conditions ( Ref 3 , 5 , 18 , 22 ). Semicrystalline polymers provide improved fatigue resistance over glassy amorphous...
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 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... fitting 1969 Fatigue failure due to material defect in high-strength steel Improved inspection techniques Change from fatigue “safe-life” to damage-tolerant design philosophy Development of materials with improved toughness Seam-welded high-energy piping failures 1986–2000 Cavitation and creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140253
EISBN: 978-1-62708-335-5
... one lot Fig. D6.48 355.0-T62, C355.0-T62, high-strength plaster cast aluminum casting rotating-beam fatigue curve. Comparison of smooth and notched specimen data for two lots. Broken lines are data for smooth and notched 355.0-T61 sand cast alloy. Fig. D6.49 355.0-T7, permanent...
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
... the yield strength of the material. There are four types of boiler tube fatigue failure that are caused by mechanical loads, thermal cycling, or flow-induced vibrations: mechanical or vibrational fatigue, corrosion fatigue, thermal fatigue, and failure due to creep-fatigue interaction ( Ref 6.1 ). Areas...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
... of the specimen stabilizes, and the material is able to withstand the fatigue load, but at a reduced stress level because of the reduction in the strength and stiffness of the material at that particular elevated temperature. Thermal instability occurs when the heat-transfer rate to the surroundings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630023
EISBN: 978-1-62708-270-9
.... Under certain conditions fractures can originate at significant depths below the surface. This is particularly true of fatigue fractures in parts that have no stress concentration on the surface but have a steep strength gradient, as frequently occurs with certain types of case hardening. Subsurface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700215
EISBN: 978-1-62708-279-2
... Abstract This chapter briefly reviews the experience-based guidelines that were developed for forming and welding advanced high-strength steels (AHSS). It discusses the benefits of using HSS in car body structures and components that are analyzed by the performance indices developed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090067
EISBN: 978-1-62708-266-2
... resistance but also in terms of fatigue strength and fracture toughness. The quenched and tempered steels that have a tempered martensitic microstructure can be categorized as low-alloy and high-alloy grades, depending on total alloying elements. Alternative descriptions for low-alloy quenched...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... images, diagrams, and explanations. It discusses the various factors that influence strength and ductility, including grain size, loading rate, and temperature. It also provides information on the origin of residual stresses, the concept of toughness, and the damage mechanisms associated with creep...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700159
EISBN: 978-1-62708-279-2
... Abstract This chapter reviews the nomenclature of different vehicle components helpful in identifying the target applications and discusses the implementation of advanced high-strength steels (AHSS) in automotive and nonautomotive industries. In addition, the chapter provides information...