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Creep fracture/stress rupture

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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
... 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540047
EISBN: 978-1-62708-309-6
... with creep and stress rupture, stress corrosion, and hydrogen embrittlement. brittle fracture ductile fracture ductility residual stress stress-strain curve THE THREE TYPES OF IDEAL SUBSTANCES (as discussed in Chapter 1 ) are the Hooke solid, the St. Venant solid, and the Newtonian liquid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
...-temperature creep, graphitization, and dissimilar metal welds. It explains how to determine which mechanisms are in play by interpreting fracture patterns and microstructural details. It also describes the investigation of several carbon and low-alloy steel tubes that failed due to stress rupture...
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
.... It explains how to deal with time dependent deformation in design, how to estimate cumulative damage under changing conditions, and how to assess the effect of multiaxial stress based on uniaxial test data. It also includes information on rupture ductility, creep fracture, and creep-crack growth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200083
EISBN: 978-1-62708-354-6
.... Castings can be efficiently designed for the proper section stiffness and resistance to buckling. At high temperatures, time-dependent deformation can occur at stresses below the short-time tensile yield strength. This creep deformation may cause failure by excessive deformation. Stress rupture or time...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
..., % 7 3 Stress rupture 1800 °F/29,000 psi (982 °C/200 MPa) Life, h 35 30 Elongation, % 7 5 Creep rupture 1400 °F/94,000 psi (760 °C/648 MPa) Life, h 75 25 Prior creep (a) , % 2.5 1.3 (a) Prior creep: % creep not more than 2 h prior to failure Tensile properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
...) and (c) Stress-rupture voids near the fracture. Source: Ref 6 Fig. 17 High-temperature failure modes. Source: Ref 7 Fig. 18 Intergranular failure in nickel-base alloy. Inconel 751, stress rupture at 1350 °F, 55 ksi, 125 h. Source: Ref 8 Fig. 19 Creep cavitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... occur at elevated temperatures (with the obvious exception of low-temperature brittle fracture). Elevated-temperature problems are real concerns in industrial applications. The principal types of elevated-temperature failure mechanisms discussed in this chapter are creep, stress rupture, overheating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490183
EISBN: 978-1-62708-340-9
... life based on dimensional measurements; methods based on metallographic studies; methods based on temperature estimates; and a method for estimating remaining life under creep conditions based on stress-rupture testing of service-exposed material samples. The chapter also discusses the use of fracture...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... in a separate section on remaining-life-assessment methods. Fig. 6.9. Effect of temper embrittlement on fracture toughness of a Cr-Mo-V rotor steel ( Ref 20 ). Creep-Rupture and Stress-Rupture Creep-rupture failures and evidence of creep damage at the blade-attachment areas of rotors have been...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060001
EISBN: 978-1-62708-343-0
..., the main objective is to present just those concepts that enable an understanding of methodologies in assessing creep fatigue, creep rupture, and thermal stress. No attempt is made to provide exhaustive coverage on the subject of creep deformation, but those desiring further exposure to this subject...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060021
EISBN: 978-1-62708-343-0
.... If a load is applied to a specimen, initially the specimen deforms, first elastically and plastically, then by creep (time-dependent) deformation until it eventually fractures into two pieces. In the very early days of such testing, this type of failure was dubbed stress rupture, because the specimen...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060083
EISBN: 978-1-62708-343-0
... strain-range components. The methods covered include rapid cycling between peak stress extremes, half-cycle rapid loading and unloading, and variations of the incremental step-stress approach. The methods are then compared based on their ability to predict creep-fatigue life. The chapter goes on from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... Faces of Wear 16.2 Temperature-Induced Failures 16.3 Brittle versus Ductile Failure 16.4 Fatigue Intergranular Fracture Transgranular Fracture Fracture of Components Preventive Measures Thermally Induced Fatigue Creep Deformation and Stress Rupture Oxidation Failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080379
EISBN: 978-1-62708-304-1
... of combined Al+Ti content in alloy 800H on the creep strength (1% in 10,000 h and 30,000 h) at 650 and 850 °C (1200 and 1560 °F). Source: Ref 38 Fig. 14.27 Reduction in area for 2.25Cr-1Mo and HCM2S at various postweld heat treatment (PWHT) temperatures with an initial applied tensile stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490329
EISBN: 978-1-62708-340-9
... material parameters are primarily taken into account in considering the integrity of shells of pressure vessels in hydrogen service: (1) the creep-rupture properties, which dictate the allowable stresses at various temperatures; (2) the fracture-toughness properties, which dictate inspection requirements...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... failure. Fig. 7 Typical creep and creep rupture curves for polymers. (a) Ductile polymers. (b) Brittle polymers Macroscopic yielding and fracture may not always be appropriate criteria for long-time duration material failure. For some plastics, stress crazing, stress cracking, or stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... such test information. In addition, the creep-rupture ductility may depend on both time and temperature. Therefore, an ambiguity arises as to whether, in a variable stress test, the appropriate ductility is that associated with the prorated time at each stress and temperature level, and the results...
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
... deformation and cyclic stresses, and the predominant damage mode can range from fatigue crack growth at higher frequencies and lower temperatures to creep damage where exposure times are long and the temperature is at the high end of the scale. Wet fluorescent magnetic particle inspection studies...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.9781627083409
EISBN: 978-1-62708-340-9