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Critical review of the creep damage constitutive equations for high Cr steel

Wang, Xue Z., Xu, Qiang
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Inherent creep strength and long term creep strength properties of ferritic steels

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 1997
Abstract Inherent creep strength is defined as a constant creep strength independent of time and microstructure. Sigmoidal inflection of a relation between stress and time to rupture is explainable in terms of a loss of creep strength followed by the advent of inherent creep strength. Although a large variation of short term creep rupture strength is
Fujio Abe
exaly   +2 more sources

Creep-recovery of normal strength and high strength concrete

Construction and Building Materials, 2017
Abstract The creep-recovery behavior of both normal and high strength concrete (HSC) under various load conditions has not been studied thoroughly. Although the use of HSC is long-established, rational creep-recovery prediction of HSC is still unavailable since current study just regards recovery deformation as a secondary result of creep experiments.
Yuanfeng Wang
exaly   +2 more sources

Creep oxidation behaviour and creep strength prediction for Alloy 617

International Journal of Pressure Vessels and Piping, 2010
Abstract Creep experimental data was obtained by a series of creep tests with different stress levels at 950 °C for Alloy 617. Oxidation behaviour was investigated by observing the microstructures of fractured specimens after the creep tests.
Yong-Wan Kim, Seon-Jin Kim
exaly   +2 more sources

Room temperature creep of high strength steels

Acta Metallurgica et Materialia, 1994
The room-temperature creep behaviour of three high strength steels has been investigated. Several parameters such as creep stress, loading rate, stress history and heat treatment has been altered and their influence on the low temperature creep has been reported.
Oehlert, A, Atrens, A
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Creep Rupture Ductility of Creep Strength Enhanced Ferritic Steels

ASME 2010 Pressure Vessels and Piping Conference: Volume 6, Parts A and B, 2010
Creep rupture strength and ductility of Creep Strength Enhanced Ferritic steels of Grades 23, 91, 92 and 122 was investigated with particular emphasis on remarkable drop in the long-term. Large difference in creep rupture strength and ductility was observed on three heats of Grade 23 steels. Remarkable drop of creep rupture strength in the long-term of
Kazuhiro Kimura, Kota Sawada, Hideaki Kushima   +2 more
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Long-term Creep Strength of Creep Strength Enhanced Ferritic Steels

2007
Overestimation of long-term creep strength of creep strength enhanced ferritic steels is caused by inflection of a relation between stress and time to rupture. Creep rupture strength of those steels has been re-evaluated by a region splitting analysis and allowable tensile stress of some steels regulated in METI (Ministry of Economy, Trade and Industry)
Kazuhiro Kimura, Kota Sawada, Hideaki Kushima, Yoshiaki Toda   +3 more
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Relation between creep strength and strength for specific creep strain at temperatures up to 1200 °C

Materials Science and Engineering: A, 1997
Abstract The relation between strength for 1 and 2% creep strain and creep rupture strength has been developed and verified. Analogously, the relation between steady-state creep rate and time to specific creep strain has been found for formed Ni-base alloys and austenitic steels of types NiCr15Fe, NiCr28FeSiCe, Cr25Ni20Si, Cr20Ni10Si and Cr18Ni11Ti ...
Vladimír Bína, Jan Hakl
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