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creep life prediction

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240265
EISBN: 978-1-62708-251-8
... fracture, namely, rupture, transgranular fracture, and intergranular fracture. The next section focuses on some of the metallurgical instabilities caused by overaging, intermetallic phase precipitation, and carbide reactions. Subsequent sections address creep life prediction and creep-fatigue interaction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... of the predicted creep-rupture life. Creep cracking can also originate at a stress concentration or at pre-existing defects 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...
Image
Published: 01 July 2009
Fig. 5.7 Predictability of creep-fatigue life using two techniques for experimentally partitioning creep and plastic strains for the method of strain-range partitioning. Source: Ref 5.15 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060043
EISBN: 978-1-62708-343-0
..., a rule is required to determine the damage of each concurrent strain and the total damage of the cycle is used to predict creep-fatigue life. The chapter presents several such damage rules and discusses their applicability in different situations. References References 3.1 Manson S.S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060083
EISBN: 978-1-62708-343-0
... technique. Source: Ref 5.15 Fig. 5.6 Comparison of predictions and experimental results for step-stress technique. Source: Ref 5.15 Fig. 5.7 Predictability of creep-fatigue life using two techniques for experimentally partitioning creep and plastic strains for the method of strain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... 0.0979 . . . . . . . . . C g 0.73 0 Summary of creep-fatigue life prediction models Table A8.1 Summary of creep-fatigue life prediction models Type Acronym Title Ref A: Life or damage fraction rules A LCR Linear Creep-Rupture Damage Rule 8.34 A LCF Linear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... in area, % 2 2 0 (a) 50% increase. Estimated uncertainty factors in life prediction Table 9.4. Estimated uncertainty factors in life prediction Cause of uncertainty Factor of uncertainty (a) Creep-rupture life Thermal-fatigue life Factor Basis of estimate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... Fatigue . Thermal Stresses II , Hetnarski R. B. , Ed., Elsevier , 1987 , p 329 – 428 6.18 Halford G.R. Saltsman J.F. and Hirschberg M.H. , Ductility-Normalized Strain-range Partitioning Life Relations for Creep-Fatigue Life Prediction . Environmental Degradation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
.... Coffin L.F. , Fatigue at High Temperature–Prediction and Interpretation , Proc. Inst. Mech. Eng. , Vol 188 , 1974 , p 109 - 127 10.1243/PIME_PROC_1974_188_014_02 27. Batte A.D. , Creep-Fatigue Life Predictions , in Fatigue at High Temperature , Skelton R.P. , Ed., Applied...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
... Mechanisms and Life Assessment of High Temperature Components , ASM International , 1989 , p 218 8.12 Neubaur B. , Wedel U. , Woodford D.A. , and Whitehead J.R. , Eds., Restlife Estimation of Creeping Components by Means of Replicas , Advances in Life Prediction Methods...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
.... , Parker J.D. , and Wilshire B. , An Extrapolative Procedure for Long Term Creep-Strain and Creep Life Prediction , in Recent Advances in Creep and Fracture of Engineering Materials and Structures , Pineridge Press , 1982 , p 135 - 184 12. Ashby M.F. , A First Report...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... of material constants at 540 °C (1000 °F) needed for prediction of remaining creep-crack-growth life (<xref ref-type="bibr" rid="t60490183-ref73">Ref 73</xref>) Table 5.8. Summary of material constants at 540 °C (1000 °F) needed for prediction of remaining creep-crack-growth life ( Ref 73 ) Material...
Image
Published: 01 July 2009
Fig. 7.9 Applicability of strain-range partitioning multiaxiality rules to prediction of Zamrik’s ( Ref 7.9 ) torsional creep-fatigue lives for AISI type 304 stainless steel at 650 °C (1200 °F). (a) Life relationships based on axial creep-fatigue data for AISI type 316 stainless steel at 705 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060155
EISBN: 978-1-62708-343-0
...: Ref 7.1 Fig. 7.9 Applicability of strain-range partitioning multiaxiality rules to prediction of Zamrik’s ( Ref 7.9 ) torsional creep-fatigue lives for AISI type 304 stainless steel at 650 °C (1200 °F). (a) Life relationships based on axial creep-fatigue data for AISI type 316 stainless...
Image
Published: 01 July 2009
Fig. 5.12 Comparison of observed and predicted cyclic creep-fatigue lives for two alloys based on predictions by the Ductility-Normalized Strain-Range Partitioning life equations. Source: Ref 5.19 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 1997
DOI: 10.31399/asm.tb.wip.t65930163
EISBN: 978-1-62708-359-1
... that exist at the weld toe and the weld root. Fracture mechanics also can be used to predict the life of a joint with a weld discontinuity. The most widely accepted fatigue crack growth relationship is the Paris law ( Ref 15 ), which can be expressed as: (Eq 3) d a d N = C ( Δ K...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... material, excessive stresses). See text for definitions of regions I and II. Fig. 1.7. Favorable and adverse factors affecting the useful lives of components ( Ref 11 ). Fig. 1.8. Uncertainty in creep-rupture life assessment due to scatter in the properties of a Cr-Mo-V steel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
.... Kuwabara K. and Nitta A. , “ Estimation of Thermal Fatigue Damage on Steam Turbine Rotors, ” Report E277001, Central Research Institute for the Electric Power Industry , Tokyo , July 1977 35. Batte A.D. , Creep-Fatigue Life Predictions , in Fatigue at High Temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610001
EISBN: 978-1-62708-303-4
... cracking and thus should be considered when predicting useful product life. brittle fracture fatigue cycles linear elastic fracture mechanics material defects stress intensity structural design IT IS OFTEN STATED that history repeats itself. Yet, when it comes to the failure of structural...