Creep and creep rupture
On the creep fatigue and creep rupture behaviours of 9-12% Cr steam turbine rotor
... for creep behaviour, can be adjusted corresponding to rotating speed of the ...by creep exceeds that of fatigue, and the result is adverse when ...on creep damage mechanism. Further creep ...
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Effect of Cold Work on Creep Rupture Strength of Alloy263
... Currently, higher thermal efficiency in the fossil power plants is required with a view to cover increasing power demand and to reduce an amount of greenhouse effect gas emission [1]. In order to improve thermal ...
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Effect of Cold Working on Creep Rupture Strength of Alloy617
... in creep test when stress is applied (athermal yield stress) ...affect creep deformation behaviors and that the amount of the dislocations varies whether the applied stress is higher or lower than the ...
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Effect of Microstructural Change on Creep Rupture during Creep Deformation in 18Cr-9Ni-3Cu-Nb-N Steel
... highest creep strength in the austenitic heat-resistant ...of creep strengthening and creep rupture for the 18Cr–9Ni–3Cu–Nb–N steel, the creep test and the microstructural observations ...
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The Effect of Cold Working on Creep Rupture Strength and Microstructure of Ni 23Cr 7W Alloy
... the creep rupture time of pre-strained Ni-23Cr-7W Alloy (HR6W) is longer than that of the non-pre-strained HR6W, micro- structures of HR6W after a series of creep tests were ...The creep tests ...
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Effect of damage during instalation of geosynthetics on their pullout and creep rupture behaviour: laboratory tests
... ABSTRACT Some geosynthetics were subjected to the effect of damage during installation (DDI) when installed in experimental works. The effects of the damage induced on the geosynthetics by these procedures were evaluated ...
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Role of Microstructure on Creep Rupture Behaviour of Similar and Dissimilar Joints of Modified 9Cr-1Mo Steel
... Abstract Creep tests carried out on the joints of ferritic steels a joints possessed lower creep rupture strength than it occurred at relatively lower stresses at the ferritic / different joints ...
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Uncertainty on application of bi-linear approximation to tension softening material near creep rupture region
... Dynamic impact testing of ultra high performance fibre reinforced concrete. X Gao, T.G.K[r] ...
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Creep rupture assessment by a robust creep data interpolation using the linear matching method
... the creep rupture limit can be calculated by an iterative process which leads to a unique solution, considering only the most relevant points of the loading cycle (Chen et ...of creep costitutive ...
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A Review of Creep Deformation and Rupture Mechanisms of Cr Mo Alloy for the Development of Creep Damage Constitutive Equations under Lower Stress
... uni-axial creep specimens; Section 3 discusses the influence of multi-axial stress state for this work; Section 4 contains the existing creep rupture criterion used for low Cr-Mo alloy; Section 5 ...
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Creep Rupture Strength for Weld Joint of 23Cr 45Ni 7W Alloy
... the creep strength of the HAZ and the base ...the creep rupture of HR6W weld joints was caused by differ- ences in the forms of precipitates in grains and on grain boundaries of the HAZ and the base ...
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Review of Creep Cavitation and Rupture of Low Cr Alloy and its Weldment
... of creep damage constitutive equations is required to be developed to depict the mechanical damage behavior and rupture ...the rupture life, and is closely related to the rupture ...tertiary ...
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Recommendation for Creep and Creep-fatigue assessment for P91 Components
... the creep behavior of P91 steel is deteriorated after cyclic ...the creep strain equations for primary and secondary creep region are provided for defined stress-time-temperature range along with ...
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A review of creep deformation and rupture mechanisms of low Cr Mo alloy for the development of creep damage constitutive equations under lower stress
... increasing rupture strain with the increasing creep strain rate [20, ...the creep rupture occurs based on the wedge-type micro-crack which forms at a triple grain junction and the growth ...
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Creep, low cycle fatigue and creep-fatigue properties of a modified HR3C
... Abstract Creep, low cycle fatigue (LCF) and creep fatigue tests have been conducted for modified HR3C (25Cr20NiNbN) at high temperatures ranging of 650-750 ...and creep fatigue test results could be ...
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Effects of Tungsten and Tantalum on Creep Deformation and Rupture Properties of Reduced Activation Ferritic-Martensitic Steel
... minimum creep rate for the steels tested at 823 ...from creep properties point of ...imparting creep strength than the fine secondary VC carbides which precipitate during tempering and subsequently ...
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Creep-fatigue and cyclically enhanced creep mechanisms in aluminium based metal matrix composites
... and creep response and considering their combined ...the creep fatigue endurance can be ...and creep damage are accounted separately by the evaluating the total strain range, the stress at the start ...
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Determination of creep damage model based on 316h creep tensile test conducted at 550℃
... by creep rupture or ductile fracture after stable creep crack ...and creep crack ...and creep crack growth. This paper proposes a combined creep and plastic damage model to ...
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Unified Constitutive Modeling for High Temperature Fatigue-Creep and Creep Responses of Haynes 230.
... stress-controlled creep responses. To simulate the tertiary regime of creep, an isotropic damage model has been ...of creep in simulating creep rupture failure; however, some drawbacks ...
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Creep Fracture and Creep Crack Growth in Inconel 718 Nickel based Superalloy (F211)
... the creep-rupture behavior and creep crack growth of hot worked by forging IN718 nickel based ...the creep deformation processes, and the factors controlling the tertiary creep and the ...
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