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creep crack growth

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003307
EISBN: 978-1-62708-176-4
... Abstract Predicting the service life of structural components involves creep-fatigue crack growth (CFCG) testing under pure creep conditions. This article provides a discussion on the loading condition and the type of ductile and brittle material showing creep behavior. It focuses...
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Published: 01 January 1996
Fig. 15 Creep crack growth rate for a typical creep-brittle material. Source: Ref 74 More
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Published: 01 January 1990
Fig. 2 Comparison of creep crack growth rates for aluminum-lithium alloy extrusions with those for other aluminum alloys. Alloy 8090 contains 2.5% Li, 1.5% Cu, 1.0% Mg, 0.12% Zr, and a balance of aluminum. T-L, crack plane and growth directions parallel to extrusion direction; L-T, crack plane More
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Published: 15 June 2019
Fig. 9 Creep crack growth rate as a function of applied stress-intensity factor for 2124-T851 and 2219-T851. Source: Ref 13 More
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Published: 01 January 2002
Fig. 9 Power-law dependence of creep crack growth with K in less ductile materials. Source: Ref 11 More
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Published: 01 December 2009
Fig. 8 Creep crack growth rate, da/dt , for aluminium AA2519 alloy. (a) As a function of K , the specimen BCH-1 was 6.25 mm thick, while the others were 25.4 mm thick. (b) The same data as in (a) except correlated to K / r c A q , where r c A is the instantaneous More
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Published: 01 January 1996
Fig. 10 Typical installed specimen ready for creep crack growth testing More
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Published: 01 January 1996
Fig. 11 Creep crack growth rate from specimens of 63.5 mm (2.5 in.) thickness in which crack growth occurred in small-scale, transition, and extensive creep regimes. Source: Ref 51 More
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Published: 01 January 1996
Fig. 12 Creep crack growth rate for chromium-molybdenum steels (tested at 1000 to 1022 °F) compiled from various laboratories. Source: Ref 7 More
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Published: 01 January 1996
Fig. 13 Creep crack growth rate for 304 stainless steels at 594 °C (1100 °F) with differing specimen geometries. Source: Ref 27 More
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Published: 01 January 1996
Fig. 14 Creep crack growth rate for 1Cr-1Mo- 1 4 V steels with differing specimen sizes. SG, side grooved. Source: Ref 51 More
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Published: 15 January 2021
Fig. 10 Power-law dependence of creep crack growth with K in less ductile materials. Source: Ref 19 More
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Published: 01 January 2002
Fig. 39 (a) Comparison of creep-fatigue crack growth rates with fatigue crack growth plotted as a function of Δ K . (b) The effect of hold time estimated for engineering structures when the creep crack growth rate is plotted as a function of ( C t ) avg More
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Published: 01 January 1996
Fig. 18 Comparison between creep and creep-fatigue crack growth data in terms of the estimated ( C t )avg for 1.25Cr-0.5Mo steel at 538 °C (1000 °F). Source: Ref 59 , 60 More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002389
EISBN: 978-1-62708-193-1
... Abstract This article describes the concepts for characterizing and predicting elevated-temperature crack growth in structural materials. It discusses both creep and creep-fatigue crack growth and focuses mainly on creep crack growth tests that are carried out in accordance with ASTM E 1457...
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Published: 01 January 1996
Fig. 7 Typical loading waveforms used during creep-fatigue crack growth testing. Source: Ref 66 More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002390
EISBN: 978-1-62708-193-1
... rate behavior and those essential elements in making spectrum crack growth life prediction. It provides information on life assessment for bulk creep damage. crack growth rate creep damage high temperature life assessment spectrum life prediction CURRENT FRACTURE MECHANICS theory treats...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005411
EISBN: 978-1-62708-196-2
... elastic fracture mechanics (LEFM), which is unable to explicitly account for the effects of creep deformation that may play a significant role in determining the crack growth behavior and its interaction with microstructure and environment. Figure 1 shows a schematic of a comprehensive methodology...
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Published: 01 January 1996
Fig. 17 Correlation of measured crack growth rates with the C t calculated from experimental measurements ( Ref 61 ) for 2.25Cr-1.0Mo steel at 594 °C (1100 °F). (Note da / dt versus C t plotted for the creep crack growth data and ( da / dt ) avg with ( C t ) avg for the creep More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... in the component. In these cases, most of the life of the component is spent in crack growth. This involves assessment of fracture resistance rather than a strength assessment based on bulk creep rates and time to stress rupture. Therefore, creep life assessment may involve evaluation of both creep strength (i.e...