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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
... Abstract Creep occurs in any metal or alloy at a temperature where atoms become sufficiently mobile to allow the time-dependent rearrangement of structure. This chapter begins with a section on creep curves, covering the three distinct stages: primary, secondary, and tertiary. It then provides...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140243
EISBN: 978-1-62708-335-5
... Abstract This data set contains the results of uniaxial creep rupture tests for a wide range of aluminum casting alloys conducted at temperatures from 100 to 315 deg C. In most cases, tests were made of several lots of material of each alloy and temper, the results were analyzed...
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
...Examples of reported values of stress exponent and activation energy for creep of steels Table 3.1. Examples of reported values of stress exponent and activation energy for creep of steels Reference System Temperature, °C n Coefficients in the low-stress region Coefficients...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060001
EISBN: 978-1-62708-343-0
...Creep strain versus time representations listed by Kennedy Table 1.1 Creep strain versus time representations listed by Kennedy Simple functions ε = at /(1 + bt ) Freudenthal Ref 1.26 Logarithmic functions ε = a + b log t Phillips Ref 1.27 Boas and Schmid...
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
... and Ensign (1971) (Minimum-commitment method) Ref 2.13 National Research Institute For Materials creep data sheets Table 2.4 National Research Institute For Materials creep data sheets Creep data sheet number Material Material specification Year of issue or revision 0 Program...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780199
EISBN: 978-1-62708-281-5
... Abstract This article describes the general aspects of and practical problems of failure analysis of creep, stress relaxation, and yielding for homogeneous polymers. The effect of temperature and strain rate on the relationship between yield point and elastic modulus and the aging effect...
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Published: 30 November 2013
Fig. 3 Creep curves showing no primary creep and no tertiary creep. Source: Ref 2 More
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Published: 01 August 2005
Fig. 2.79 Tyical creep curve showing the three stages of creep. Curve A , constant-load test; curve B , constant-stress test. Source: Ref 2.2 More
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Published: 30 November 2013
Fig. 1 Schematic tension-creep curve, showing the three stages of creep. Source: Ref 4 More
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Published: 01 September 2008
Fig. 55 Creep cavities and creep wedges forming at grain boundaries More
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Published: 01 November 2012
Fig. 2 Stages of creep deformation. (a) Strain curve for the three stages of creep under constant-load testing (curve A) and constant-stress testing (curve B). (b) Relationship of strain rate, or creep rate, and time during a constant-load creep test. The minimum creep rate is attained during More
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Published: 01 December 1989
Fig. 6.20. Evolution of creep-cavitation with creep-life fraction expended for Cr-Mo-V rotor steels ( Ref 46 ). More
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Published: 01 December 1989
Fig. 9.48. Correlation of degree of creep voiding with percent of creep life consumed. Top left, 40%; top right, 60%; bottom left and right, 80% ( Ref 78 ; courtesy of J. Wortmann, MTU Motoren-und Turbinen-Union, Munich). More
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Published: 01 July 2009
Fig. 1.22 Creep-rate response in tension and compression of a cyclic creep-rupture test of 316 stainless steel (heat 1) at 705 °C (1300 °F). Source: Ref 1.62 More
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Published: 01 July 2009
Fig. 1.23 Comparison of tensile/compressive creep rates of a cyclic creep-rupture test of 316 stainless steel (heat 2) at 705 °C (1300 °F). Source: Ref 1.62 More
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Published: 01 July 2009
Fig. 3.2 Schematic illustration of creep-fatigue interaction when tensile creep occurring along grain boundaries is reversed by compressive plasticity occurring along crystallographic slip planes More
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Published: 01 July 2009
Fig. 5.13 Variation in creep-rupture ductility with creep-rupture failure time. (a) Normalized and tempered 2¼Cr-1Mo steel at 540 °C (1000 °F). (b) Quenched and tempered 2¼Cr-1Mo tested at 485 °C (900 °F). (c) Solution-annealed AISI type 304 stainless steel tested at 650 °C (1200 °F). Source More
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Published: 01 July 2009
Fig. 5.14 Creep acceleration in interspersion creep-fatigue tests of normalized and tempered 2¼Cr-1Mo steel at 540 °C (1000 °F). (Data courtesy of Ref 5.21 . Source: Ref 5.22 More
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Published: 01 July 2009
Fig. 5.29 Typical features of high creep-rate and low creep-rate CP tests with varying exposure times. AISI type 316 stainless steel at 816 °C (1500 °F), Δε in 2%. (a) High creep-rate test. (b) Low creep-rate test. Source: Ref 5.23 More
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Published: 01 December 2003
Fig. 7 Typical creep and creep rupture curves for polymers. (a) Ductile polymers. (b) Brittle polymers More