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low-temperature creep

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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
... or a significant increase in the net section stress. Coupled with the softening processes (item 2), the balance achieved in stage 2 is now offset, and a rapidly increasing tertiary stage of creep is reached. Fig. 3.1. Schematic illustration of creep-curve shapes. If we consider a low-temperature...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
... service is unlimited, if the operational loads do not exceed the yield strength of the metal. The principal types of elevated-temperature failure mechanisms are creep, stress rupture, low-cycle or high-cycle fatigue, thermal fatigue, overload, hot corrosion, embrittlement, sulfidation, carburization...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430149
EISBN: 978-1-62708-253-2
... with stress rupture, including overheating, high-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...
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
... Fig. 4.9. Typical stress-strain hysteresis loop generated in a constant-strain low-cycle fatigue test. Fig. 4.10. Correlation between total strain range and plastic strain range ( Ref 12 ). Fig. 4.39. Schematic diagrams showing waveforms of temperature, strain, and stress...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610415
EISBN: 978-1-62708-303-4
...Approximate temperatures for onset of creep Table 1 Approximate temperatures for onset of creep Metal or alloy °F T as ratio of T m , K Aluminum alloys 300–400 0.48–0.54 T m Titanium alloys 600 0.3 T m Low-alloy steels 700 0.36 T m Austenitic iron-base...
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 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060083
EISBN: 978-1-62708-343-0
... reversed ( A ε = 0, or R = 1), isothermal, low-frequency, continuous strain-cycling tests. At high frequencies (>1 Hz), there is too little time at stress for measurable creep to occur, so the inelastic strain range is taken to be 100% Δε PP , but as the frequency is lowered, the total inelastic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060173
EISBN: 978-1-62708-343-0
... G.R. and Manson S.S. , Application of a Method of Estimating High-Temperature Low-Cycle Fatigue Behavior of Materials , Trans., American Society of Metals , Vol 61 (No. 1) , 1968 , p 94 – 102 8.14 Manson S.S. Halford G.R. and Hirschberg M.H. , Creep-Fatigue...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170123
EISBN: 978-1-62708-297-6
...-temperature properties Strength ✓ (l) ✓ ✓ Creep resistance ✓ Low-temperature properties Strength ✓ Toughness x ✓ ✓ Corrosion General corrosion resistance x ✓ (m...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060001
EISBN: 978-1-62708-343-0
.... In fact, at low temperatures where the thermal excitation energy is very low, the application of stresses approaching the ultimate tensile strength of a material is insufficient to cause measurable diffusion-controlled creep. In other words, the mechanical excitation energy, even under extremely 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
.... , Correlation of Hold Time Effects in Elevated Temperature Low Cycle Fatigue Using a Frequency Modified Damage Function , ASME-MPC Symposium on Creep-Fatigue Interaction , MPC-3, Metal Properties Council , New York , 1976 , p 179 - 202 40. Thomas G. and Dawson R.A.T. , The Effect...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780199
EISBN: 978-1-62708-281-5
..., has been demonstrated ( Ref 4 ). Fig. 1 Creep of polymethyl methacrylate under a torsional stress at 30 °C (85°F). Sources: Ref 4 At low temperatures, the creep behavior may become logarithmic, as in the case of metals, so that: (Eq 9) ε = ε 0   ln  ( t / t 0...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490415
EISBN: 978-1-62708-340-9
...:      Coated material None ... None ...      Uncoated, without chlorides 1.5 Discussion in Ref 35 2 to 5 at low Δ∊ Fig. 9.24      Uncoated, with chlorides 5.0 J 10 Fig. 9.25 10 °C (18 °F) error in assumed temperature 1.5 Fig. 9.45 None ... 25% error in:      Assumed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430087
EISBN: 978-1-62708-253-2
... steels suffer from low resistance to oxidation and corrosion at high temperatures, and lack creep strength. The oxidation resistance of steel depends on the nature of the protective oxide scale formed at the surface. Improved resistance to oxidation for alloy steels as compared with carbon steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.fdmht.t52060111
EISBN: 978-1-62708-343-0
... to include the minimum ductility point shown in Fig. 6.40 , and the minimum temperature chosen was 480 °C (895 °F). This minimum temperature is low enough to preclude creep, and cooling to this temperature could be achieved in a practical time compared to the excessive times that would have been required...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
.... The dissipation factor shows a peak when there is a phase transition. Thus, it is a sensitive method for detecting the existence of transitions. Low-temperature transitions measured by this technique are related to high-impact properties for materials such as polycarbonate. As would be expected, the impact...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280323
EISBN: 978-1-62708-267-9
... occurred. Similarly, if a part creeps during operation so that the part begins to impinge on another part, failure has occurred. In the general sense, elevated-temperature failure modes may be classified as creep rupture, fatigue (low or high cycle—LCF or HCF), thermal-mechanical fatigue (TMF), tensile...
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.t60490183
EISBN: 978-1-62708-340-9
... corrosion Hydrogen damage Pitting (localized corrosion) Stress-corrosion cracking Fire-side corrosion Low temperature Waterwall Coal ash Oil ash Erosion Fly ash Falling slag Sootblower Coal particle Fatigue Vibration Thermal Corrosion Lack of quality...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
...) vs. particle diameter in a nickel-base superalloy. Cutting occurs at low particle diameters, bypassing at high particle diameters. Note also that aging temperature affects strength in conjunction with particle size. Alloy strength in titanium- and aluminum-hardened alloys clearly depends on V...