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critical stress intensity

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Published: 01 December 1989
Fig. 2.6. Relationship between specimen thickness and critical stress intensity. More
Image
Published: 30 November 2013
Fig. 4 Effect of section thickness of 18% maraging steel (2 GPa, or 300 ksi minimum yield strength) on measured values of the critical stress-intensity factor, K Ic . At thicknesses greater than about 15 mm (0.6 in.), the critical stress-intensity factor, K c (the value of K at which More
Image
Published: 01 July 2009
Fig. 17.23 Schematic illustration showing the variation of the critical stress intensity with thickness. Source: Cooper 1979 More
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
... be important for cracks that are not aligned perpendicular to the crack plane but are at a slanted angle. In mode I loading, the critical stress intensity factor is labeled K Ic if the fracture occurs under linear elastic and plane strain conditions. The K Ic fracture toughness value must be measured...
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 December 2003
DOI: 10.31399/asm.tb.cfap.t69780433
EISBN: 978-1-62708-281-5
... creep compliance proportionality constant stress intensity range critical stress-intensity factor stress-intensity factor plane-strain fracture toughness length liquid chromatography liquid crystal polymer low-density polyethylene linear low-density polyethylene limited oxygen index liquid-solid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540431
EISBN: 978-1-62708-309-6
... in a creep test an important tool for explaining the slip of divided by the original cross-sectional area of crystals, as well as other mechanical behavior the specimen. in metals such as strain hardening, yield point, critical stress intensity factor. The critical fatigue, fracture, creep, and even...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.9781627083096
EISBN: 978-1-62708-309-6
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
... at the crack tip, K, reaches a critical value K c . Once the magnitude of K c has been experimentally determined, the fracture load for a structure containing a crack can be predicted, if the stress-intensity expression for the specific crack geometry is known. Three modes of loading with respect to the crack...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630281
EISBN: 978-1-62708-270-9
..., the factor is called the critical stress-intensity factor, or the fracture toughness. Various subscripts are used to denote dif ferent loading conditions or fracture toughness: KC. Plane-stress fracture toughness. The value of stress sections thinner than those in which plane-strain conditions prevail. KI...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140299
EISBN: 978-1-62708-335-5
... Standard and overage IM investment mold TMS The Minerals, Metals and Materials Society K stress-intensity factor TYS tensile yield strength Kc plane stress fracture toughness, critical value of plane stress- UPE unit propagation energy USAMP United States Automotive Materials Partnership intensity factor...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780238
EISBN: 978-1-62708-281-5
... to an increase in stress ratio or mean stress is also possible. Polymers that become more prone to fracture with increasing mean stress are most likely affected by the monotonic fracture process associated with the maximum portion of the loading cycle as it approaches a critical stress-intensity level...
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
...: (Eq 9.1) σ a = 2 r e E / π The left side is the most common form of what has come to be known as the stress-intensity factor K . When the stress reaches a critical fracture strength σ c , K → K c (the critical stress-intensity factor). In Eq 9.1 , E...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180197
EISBN: 978-1-62708-256-3
... and shape. At the onset of rapid crack propagation in any structure containing a crack, the factor is called the critical stress-intensity factor, or the fracture toughness. Various subscripts are used to denote different loading con- ditions or fracture toughnesses: Kc. Plane-stress fracture toughness...
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 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
... such as mass transport of environmental species up the crack to the crack tip. In stage 3, the rate of crack propagation exceeds the plateau velocity as the stress-intensity level approaches the critical stress-intensity level for mechanical fracture in an inert environment, K Ic ( Ref 10 ). Slow Strain...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780204
EISBN: 978-1-62708-281-5
... in Ref 27 . Below a level of critical stress-intensity factor, K c , craze growth appeared to be controlled by end diffusion, and fracture was prevented by craze arrest. Above K c , craze growth was controlled by either end flow or the combination of end flow and side flow. In both cases, the final...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
... propagation. However, this discussion focuses on the normal usage of the term as defined subsequently. One common misconception is that SCC is the result of stress concentration at corrosion-generated surface flaws (as quantified by the stress-intensity factor, K ); when a critical value of stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860269
EISBN: 978-1-62708-348-5
... , at the critical load, P c , when fracture occurs in a specimen with a known compliance function, dC / dA . 8.2.1 The Stress Intensity Factor Irwin (1957) determined the stress distribution near the tip of a crack located in a linear elastic body and developed a stress analysis basis for fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9