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fatigue crack growth

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... for various crack lengths along the potential crack path. Fatigue crack growth rates can be determined from the crack growth rate of the material and the cyclic stress intensity. This procedure is illustrated in Fig. A3.2 . Fig. A3.2 Schematic illustration of crack propagation concept The crack...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
... they can be optimized. It also discusses the effect of metalworking and heat treatment, the influence of loading and operating conditions, and factors such as corrosion damage that can accelerate crack growth rates. aluminum alloys fatigue fracture fracture toughness steel titanium alloys...
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
..., a large enough variation or fluctuation in the applied stress, and a sufficiently large number of cycles of the applied stress. The discussion covers high-cycle fatigue, low-cycle fatigue, and fatigue crack propagation. The chapter then discusses the stages where fatigue crack nucleation and growth occurs...
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...
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...
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 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
... growth rates in each of the three stages of progression. Using images, diagrams, and data plots, it reveals how cracks advance in step with successive stress cycles and explains how fatigue crack growth rates can be determined by examining striations on fracture specimens and correlating their widths...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540121
EISBN: 978-1-62708-309-6
.... The plastic strain resulting from cyclic stress initiates the crack; the tensile stress promotes crack growth (propagation).” Moreover, “although compressive stresses will not cause fatigue, compressive loads may result in local tensile stresses. Microscopic plastic strains also can be present at low levels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610377
EISBN: 978-1-62708-303-4
... fatigue, those being matrix cracking, fiber breaking, crack coupling, delamination initiation, and delamination growth. The chapter describes each mechanism in detail along with related factors. It also discusses the primary differences between composites and metals, the effect of manufacturing defects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... is generally practiced. The total-life approach is used with unnotched specimens that are assumed to be defect free, and this methodology is predicated on the notion that fatigue failure is a consequence of both crack nucleation and subsequent growth. Conversely, the defect-tolerant approach bases the fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... resulting in subsequent fatigue crack growth Selection and development of materials with improved toughness at the service temperature of –160 °C (–250 °F) Comet aircraft failures 1950s Fatigue crack initiation in pressurized skins due to high gross stresses and stress-concentration effects from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
..., and ductility as well as creep, fatigue strength, and fatigue crack growth rate. It also discusses the influence of other titanium phases and the properties of titanium-based intermetallic compounds, metal-matrix composites, and shape-memory alloys. alloy composition alpha titanium alloys alpha-beta...
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 this model is presented here. Fig. 12 Fatigue behavior of polymethyl methacrylate at 1 Hz for the Paris model. Temperature range is 123 to 323 K. da / dN , fatigue crack growth propagation; Δ K , stress-intensity factor range. Source: Ref 53 The resistance of a material to crack propagation...
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
... 519, ASTM, 1973 • Fatigue Crack Growth under Spectrum Loads , STP 595, ASTM, 1976 • Grover H.J. , Fatigue of Aircraft Structures , rev. ed., NAVAIR 01-1A-13, U.S. Government Printing Office, 1960 • Handbook of Fatigue Testing , STP 566, ASTM, 1974 • Mann N.R...
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
... cyclically or discontinuously (i.e., with a break in operation) have a high probability of corrosion fatigue. Creep-fatigue interaction is a complex process of damage involving creep deformation and cyclic stresses, and the predominant damage mode can range from fatigue crack growth at higher...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870099
EISBN: 978-1-62708-299-0
... Fatigue and Stress Corrosion Crack Growth in High Strength Aluminum Alloys, Magnesium Alloys and Titanium Alloys Exposed to Aqueous Solutions , Corrosion Fatigue: Chemistry, Mechanics and Microstructure , Devereux O. , McEvily AJ. , and Staehle R.W. , Ed., National Association...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... surface layer may cause the formation of a structural flaw in the transition zone of the layer and may be the location of crack initiation, especially by a fatigue mechanism (Ref 1) . Surface engineering encompasses various process technologies and also the service properties of products, surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540297
EISBN: 978-1-62708-309-6
... for Fractography and Characterization of Fracture Origins in Advanced Ceramics C 1361 Standard Practice for Constant-Amplitude, Axial Tension-Tension Cyclic Fatigue of Advanced Ceramics at Ambient Temperature C 1368 Standard Test Method for Determination of Slow Crack Growth Parameters of Advanced Ceramics...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090341
EISBN: 978-1-62708-266-2
...-corrosion or subcritical crack growth behavior leads to what is known as “static fatigue,” in which parts fail after periods of time under a constant load. Although cycling the load can introduce other phenomena, the processes with which this chapter is concerned are not affected. Environmentally...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... is a phenomenon in which time-dependent crack growth occurs when the necessary electrochemical, mechanical, and metallurgical conditions exist. Corrosion fatigue is a related process in which the load is cyclic in corrosion fatigue rather than static as in stress corrosion. When hydrogen is generated as a product...