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creep-fatigue interaction

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
... the initial diameter. Source: Ref 12 Fig. 27 Effect of exposure in air at various temperatures on stress-rupture life of IN738 at 800 °C (1470 °F) and 400 MPa (58 ksi). Source: Ref 13 Fig. 34 Example of fatigue-creep interaction. Source: Ref 3 Fig. 23 Isothermal diagram...
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
... interaction and the approaches to design against creep. creep creep curves stress-rupture test Nabarro-Herring creep Coble creep transgranular fracture intergranular fracture creep life prediction creep-fatigue interaction metallurgical instabilities FOR METALS AT LOW TEMPERATURES, yield...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430325
EISBN: 978-1-62708-253-2
... tube fatigue, including mechanical or vibrational fatigue, corrosion fatigue, thermal fatigue, and creep-fatigue interaction. It discusses the causes, characteristics, and impacts of each type and provides several case studies. References References 6.1 French D.N. , Failures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
...Abstract Abstract This chapter provides a detailed review of creep-fatigue analysis techniques, including the 10% rule, strain-range partitioning, several variants of the frequency-modified life equation, damage assessment based on tensile hysteresis energy, the OCTF (oxidation, creep...
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
.... 4.13. Alternative presentation of data where Δσ·Δ∊ p is proportional to hysteresis energy ( Ref 19 ). Creep-Fatigue Interaction In components which operate at high temperatures, changes in conditions at the beginning and end of operation or during operation result in transient temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060043
EISBN: 978-1-62708-343-0
... such damage rules and discusses their applicability in different situations. creep-fatigue test fatigue life hysteresis loops interaction damage rule life fraction rule microstructural damage strain-range partitioning STRAIN-RANGE PARTITIONING (SRP) is a unique and powerful method...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060155
EISBN: 978-1-62708-343-0
...-size regimes. The following is a practical procedure that presents itself as having engineering viability. Obviously, it would benefit from further development, just as do procedures using other frameworks for treating creep-fatigue interaction. However, from the discussion it will be clear...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
...-side erosion: Soot blower erosion Fly ash erosion Coal particle erosion Falling slag erosion Erosion due to steam cutting Fatigue: Mechanical fatigue Thermal fatigue Corrosion fatigue Creep-fatigue interaction Operation failures: Failures due to operational...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200083
EISBN: 978-1-62708-354-6
... decreases as the temperature increases, although strain aging in mild steels leads to a peak in fatigue strength above room temperature. At sufficiently high temperature, on the order of 0.4 of the melting point, creep-fatigue interactions must be considered. Sample Problem As an example of a high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... the diagonal plane, which produces microvoids that eventually lead to fracture. (b) Brittle transgranular fracture (cleavage) occurs by tensile decohesion between the faces of two adjacent cells. Source: Ref 16.4 Fig. 16.25 Schematic of cracking mechanisms with creep-fatigue interaction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060069
EISBN: 978-1-62708-343-0
...Abstract Abstract This chapter demonstrates the versatility of the strain-range partitioning method and its application to creep-fatigue problems involving complex loading histories. It begins with a derivation showing that it is possible to assess the damage of hysteresis loops combining two...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
... modify the fatigue behavior substantially, as will be discussed in later sections. Creep-Fatigue Interaction Pure low-cycle fatigue under continuous cycling as described earlier is the exception rather than the rule, because during operation machine components are frequently held at high...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... to steam-turbine components ( Ref 6 ). With the exception of LP rotors, fatigue, creep, and brittle fracture are the main concerns in turbine components. LP rotors operate below the creep regime and hence the possibility of brittle fracture at lower temperatures is of greater concern than creep. In the LP...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870105
EISBN: 978-1-62708-344-7
... Stainless Steel , 1976 ASME-MPC Symposium on Creep-Fatigue Interaction , ASME , 1976 , p 129 – 159 ; J. Eng. Mater. Technol. , Vol 99 , July 1977 , p 283 – 286 10.1115/1.3443537 5.13 Zamrik S.Y. and Blass J.J. , Multiaxial Low-Cycle Fatigue of Type 304 Stainless Steel , 1976...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490383
EISBN: 978-1-62708-340-9
... ratchetting ( Ref 14 and 63 ). Austenitic steels in general, however, are more likely to be susceptible to creep-fatigue interactions than ferritic steels, due to their high coefficients of expansion and low thermal conductivities. For any new plant operating above 600 °C, it will be essential to assess...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... elastic and inelastic strain into a total strain range. The discussion covers important features, procedures, and correlations as well as the use of models and the steps involved in predicting thermomechanical fatigue (TMF) life. It also includes information on isothermal fatigue, bithermal creep-fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130111
EISBN: 978-1-62708-284-6
...Fracture mode identification chart Table 1 Fracture mode identification chart Method Instantaneous failure mode (a) Progressive failure mode (b) Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual, 1 to 50× (fracture surface) Necking or distortion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... Point ‘A’ , Proc. Inst. Mech. Eng. , Vol 186 , 1972 , p 341 – 377 10.1243/PIME_PROC_1972_186_037_02 39. Kramer L.D. and Randolph D. , Analysis of TVA Gallatin No. 2 Rotor Burst: Part 1—Metallurgical Considerations , Proc. 1976 ASME-MPC Symposium on Creep-Fatigue Interaction , p...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870123
EISBN: 978-1-62708-344-7
.... For example, the ASME Boiler and Pressure Vessel Code Case 1592 (for design of nuclear power plant components at high operating temperatures) ( Ref 6.11 ) uses a summation that varies from 1.0 down to 0.4 for creep-fatigue interaction, depending on the proportion of each type of fractional damage present...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060001
EISBN: 978-1-62708-343-0
... increase somewhat. Only tensile creep rate was measured and compared to the monotonic rate at a given stress. At that time, there was little concern for compressive creep damage, because the fledgling Time- and Cycle-Fraction Rule for creep-fatigue interaction, proposed two years earlier by Taira ( Ref...