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stress-intensity factor

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540215
EISBN: 978-1-62708-309-6
...Abstract Abstract This chapter presents a fracture-mechanics-based approach to damage tolerance, accounting for mechanical, metallurgical, and environmental factors that drive crack development and growth. It begins with a review of stress-intensity factors corresponding to a wide range...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... readers with the steps involved in determining strain energy release rates, stress intensity factors, J-integrals, R-curves, and crack tip opening displacement parameters. It also covers fracture toughness testing methods and the effect of measurement variables. crack tip opening displacement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090221
EISBN: 978-1-62708-266-2
.... Attention is then focused on relevant mechanical factors (e.g., stress and stress intensity). Testing methods are discussed, as are techniques for the mitigation of SCC (which generally involve elimination of one or more of the three primary factors). Finally, the mechanisms of SCC of copper-base alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090257
EISBN: 978-1-62708-266-2
...Abstract Abstract Stress-corrosion cracking (SCC) in magnesium alloys was first reported in the 1930s and, within ten years, became the focus of intense study. This chapter provides a summary of all known work published since then on the nature of SCC in magnesium alloys and how it is related...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630257
EISBN: 978-1-62708-270-9
... on the parameter, K , the crack-tip stress intensity factor. Fracture toughness is a material property, as is yield strength. Fracture toughness is defined by the American Society for Testing and Materials (ASTM) as “a generic term for measures of resistance to crack extension,” ( Ref 1 ). A general definition...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870201
EISBN: 978-1-62708-344-7
... , June 1987 • Murakami Y. , Stress Intensity Factors Handbook , Pergamon Press , Vol 1 and 2 , 1987 ; Vol 3 , 1992 • Owen D.R.J. and Fawkes A.J. , Engineering Fracture Mechanics: Numerical Methods and Applications , Pineridge Press Ltd ., 1983...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780249
EISBN: 978-1-62708-281-5
...: Ref 17 Fig. 7 Side view of a crack associated with a “crowd” of crazes in a fatigued single-edge notch of 0.25 mm (0.10 in.) thick polystyrene Fig. 8 An S-shaped fatigue crack propagation. K , stress-intensity factor; K c , fracture toughness curve indicating its three...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... a − K s where K s is the stress-intensity factor due to shielding. Under cyclic loading conditions, there are three general types of shielding mechanisms: crack deflection, process zone shielding, and contact shielding ( Fig. 9 ). Shielding due to crack path deflection results...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240221
EISBN: 978-1-62708-251-8
..., the parameter K is known as the stress-intensity factor. Note that the stress-intensity factor, K , and the stress-concentration factor, K t , although similar, are not equivalent. In general, the stress-intensity factor is related to the applied stress and crack length by: (Eq 13.12) K = Y σ π...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... at temperature. The following life-limiting factors are common to most structures and should be considered in a failure analysis and a life assessment: Material defects Fabrication practices Stress, stress concentration, and stress intensity Temperature Thermal and mechanical fatigue cycles...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.9781627082815
EISBN: 978-1-62708-281-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.9781627082563
EISBN: 978-1-62708-256-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
... mechanisms may be driven by more than one environmental factor, such as stress, temperature, corrosion, wear, radiation, or electrical factors. The term failure mechanism , or damage mechanism , is meant to convey the specific series of events that describe both how the damage was incurred...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540319
EISBN: 978-1-62708-309-6
... Strength of Specially Orthotropic Composite Laminates , Analysis of the Test Methods for High Modulus Fibers and Composites , STP 521, ASTM , 1973 , p 133 – 142 10.1520/STP36482S 8.24. Snyder M.D. and Cruse T.A. , “ Crack Tip Stress Intensity Factors in Finite Anisotropic Plates...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490021
EISBN: 978-1-62708-340-9
... 2.8c) σ z = 0           [ for plane stress ] (Eq 2.8d) τ xz = τ yz = 0 where the coordinate system (r, θ ) is as shown in Fig. 2.3 . The stress-intensity factor K is a function of plate geometry, applied loads, and the size, location...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... Fichter W.B. , The Stress Intensity Factor for the Double Cantilever Beam , Int. J. Fract. , Vol 22 , 1983 , p 133 – 143 10.1007/BF00942719 17.42 Srawley J.E. and Gross B. , Stress Intensity Factors for Crackline-Loaded Edge-Crack Specimens , Mater. Res. Stand. , Vol 7...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
...-density polyethylene C C C C C C C C A, brittle even when unnotched; B, brittle, in the presence of a notch; C, tough Fig. 25 Crack of length 2a in tensile stress field Fig. 26 Schematic of compact-tension specimen. W , width; a , crack length Fig. 27 Apparent...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090043
EISBN: 978-1-62708-266-2
... precracking of such specimens further improves reproducibility. For fracture mechanics SCC testing of steels, stress state at the crack tip is well defined and described by stress-intensity factor relationships. Furthermore, conditions promoting plane strain (triaxiality) are believed to be the most...