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crack sizes

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Published: 01 December 1995
Fig. 6-27 Critical crack sizes for linkage arm problem of Figure 6-12 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... and appears to have considerable merit in estimating the total fatigue life of notched and cracked structures. damage rate fatigue crack initiation fatigue crack propagation fatigue life nonarbitrary crack size LOW-CYCLE FATIGUE CONCEPTS based on the local stress-strain approach have been...
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Published: 01 August 2005
Fig. 6.12 Crack-tip deformation zone sizes for Inco 718 at 593 °C (1110 °F) More
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Published: 01 August 2005
Fig. 6.13 Crack-tip deformation zone sizes for Inco 718 at 650 °C (1200 °F) More
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Published: 01 December 1989
Fig. 3.33. Remaining life as a function of initial crack size for an internally pressurized cylinder, illustrating a typical output from crack-growth analysis ( Ref 120 ). More
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Published: 01 December 1989
Fig. 5.47. Predicted crack size as a function of time for an internally pressurized cylinder (p = 13.79 MPa, or 2000 psi) ( Ref 73 ). More
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Published: 01 December 1989
Fig. 5.48. Remaining life as a function of initial crack size for an internally pressurized cylinder ( Ref 73 ). More
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Published: 01 July 1997
Fig. 5 Assessment procedures to determine limiting crack size More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090359
EISBN: 978-1-62708-266-2
... SCC detection and sizing in stainless steel piping systems include the introduction of special transducers for intergranular SCC detection, the use of advanced sizing techniques based on crack-tip diffraction, and the increased level of personnel training and qualification. In addition, a number...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610303
EISBN: 978-1-62708-303-4
... Abstract Fracture control can be defined as a concerted effort to maintain operating safety without catastrophic failure by fracture. It requires an understanding of how cracks affect structural integrity and strength and the time that a crack can grow before it exceeds permissible size...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220039
EISBN: 978-1-62708-259-4
... Abstract This chapter discusses the practices and procedures used to reveal and record macrostructural features such as hardening depth, weld thickness, crack size, porosity, hot folds, and machining and tooling marks. It provides information on sectioning, sample location, orientation, surface...
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Published: 01 November 2012
Fig. 12 American Society of Mechanical Engineers (ASME) requirements for (a) permissible crack size ( a p ) for upset condition (where K ar is arrest toughness), (b) crack growth for upset condition (I = inspection interval), (c) permissible crack size for emergency condition, and (d More
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Published: 01 November 2012
Fig. 2 General crack growth curve showing time interval ( H ) to reach maximum permissible crack size ( a p ) . Source: Ref 1 More
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Published: 01 December 2009
of plane strain (brittlelike fracture) develop first along the centerline and result in a flat fracture surface. With further increases in section thickness or crack size, the flat region spreads to the outside of the specimen, decreasing the widths of the shear lips. When the minimum value of plane-strain More
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Published: 01 December 1995
Fig. 6-21 Fatigue life of linkage arm (in Figure 6-12 ) as a function of starting crack size More
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Published: 01 November 2012
surface. With further increases in section thickness or crack size, the flat region spreads to the outside of the specimen, decreasing the widths of the shear lips. When the minimum value of plane-strain toughness ( K Ic ) is reached, the shear lips have very small width. Source: Ref 16 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200083
EISBN: 978-1-62708-354-6
... to fatigue, a crack-like discontinuity is assumed to exist in the structure at the start of life. The cyclic life is then computed from the rate of growth of the crack from the initial to the critical crack size. The principal difference between the conventional and fracture mechanics approaches...
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Published: 01 January 2017
Fig. 16.2 Comparison of sizing results obtained with crack-tip-diffraction and amplitude-drop sizing techniques. Source: Ref 16.10 More
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Published: 01 January 2017
Fig. 16.5 Measuring the size of a crack larger than the beam diameter using the amplitude-drop technique More
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Published: 01 January 2017
Fig. 16.6 Measuring the size of a crack smaller than the beam diameter using the amplitude-drop technique More