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constitutive equations

Review of creep deformation and rupture mechanism of P91 alloy for the development of creep damage constitutive equations under low stress level

Review of creep deformation and rupture mechanism of P91 alloy for the development of creep damage constitutive equations under low stress level

... damage constitutive equations for high Chromium alloy (Grade ...of constitutive equations model should concern three aspects to improve the current ...

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The development of advanced creep constitutive equations for high chromium steel P91 at low stress range

The development of advanced creep constitutive equations for high chromium steel P91 at low stress range

... An et al. [4, 14-15] has reviewed and analyzed the current experimental data of P91 steel which includes microstructural changes, creep deformation and damage mechanisms, influence of stress range on life span, influence ...

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The Mesoscopic Constitutive Equations for Polymeric Fluids and Some Examples of Viscometric Flows

The Mesoscopic Constitutive Equations for Polymeric Fluids and Some Examples of Viscometric Flows

... Constitutive equations for melts and concentrated solutions of linear polymers are derived as consequences of dynamics of a separate macromolecule. The model is investigated for viscometric flows. It was ...

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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

A Review of Creep Deformation and Rupture Mechanisms of Cr Mo Alloy for the Development of Creep Damage Constitutive Equations under Lower Stress

... This paper is an expanded work which includes the authors’ previous published work on a critical analysis of creep deformation and rupture under creep stress levels and states at varying constant temperature on the low ...

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A Generic Validation Methodology and its Application to a Set of Multi-Axial Creep Damage Constitutive Equations

A Generic Validation Methodology and its Application to a Set of Multi-Axial Creep Damage Constitutive Equations

... damage constitutive equations has been developed and been used in component design analysis ...damage constitutive equations for this material at 590 °C was proposed in which two functions of ...

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

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

... damage constitutive equations which are suitable for this type of steels and its welds for a wide range of stress ...damage constitutive equations developed and/or used for high Cr steels [10] ...

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Development of wide-range constitutive equations for calculations of high-rate deformation of metals

Development of wide-range constitutive equations for calculations of high-rate deformation of metals

... of equations, which determine relations between stress tensor and strain tensor, is currently still an unsolved urgent prob- ...particular, constitutive equations should reflect the dependence of ...

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Critical review and the development of creep damage constitutive equations for P92 alloy and weld

Critical review and the development of creep damage constitutive equations for P92 alloy and weld

... On the other hand, creep damage models have been developed. It is the intention to develop a set of creep damage constitutive equations which are suitable for this type of steels and its welds for a wide ...

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Damage Modelling: the current state and the latest progress on the developing of creep damage constitutive equations for high Cr steels

Damage Modelling: the current state and the latest progress on the developing of creep damage constitutive equations for high Cr steels

... 3.2.4 Oruganti et al [30] aimed to build a comprehensive creep model using Dyson’s framework. The significant efforts were placed on identify the critical microstructural features that controlled creep and quantification ...

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Pertinence of Sheep Knee Joint for Calibration of Ligaments’ Constitutive Equations; Experimental and Theoretical Study

Pertinence of Sheep Knee Joint for Calibration of Ligaments’ Constitutive Equations; Experimental and Theoretical Study

... of constitutive equations based on in vitro sheep knee joint tests for predicting the same mechanical behavior of human knee ligaments, related stress-strain curves drawn in ...the constitutive ...

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Effect of Constitutive Equations on Prediction Accuracy for Springback in Cold Stamping of TRIP1180

Effect of Constitutive Equations on Prediction Accuracy for Springback in Cold Stamping of TRIP1180

... In this study, a TRIP1180 sheet was used as the testing material. Hill’48 [10] and Yld2000-2d [11] were considered to describe yield behavior. Additionally, isotropic and kinematic hardening models based on the ...

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A Phenomenological Gradient Approach to Generalized Constitutive Equations for Isotropic Fluids

A Phenomenological Gradient Approach to Generalized Constitutive Equations for Isotropic Fluids

... lized equations that consent the derivation of pressure, temperature, and stress tensor from the derivatives of the internal energy are ...generalized constitutive equations were ...

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The development of creep damage constitutive equations for low Cr Mo alloy steel and its weldment at low stress

The development of creep damage constitutive equations for low Cr Mo alloy steel and its weldment at low stress

... damage constitutive equations for low alloy; nevertheless, the majority of these creep rupture criteria do not necessarily have good physical meanings reflecting the real creep rupture and rupture mechanism ...

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Multiple Tensor Train Approximation of Parametric Constitutive Equations in Elasto-Viscoplasticity

Multiple Tensor Train Approximation of Parametric Constitutive Equations in Elasto-Viscoplasticity

... Algebraic Equations based on a tensor representation of the ...elasto-viscoplastic constitutive law show that the constructed surrogate model is sufficiently accurate to enable parametric studies such as ...

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Pom-pom-like constitutive equations for comb polymers

Pom-pom-like constitutive equations for comb polymers

... The factor 2 in the exponent of Eq. 7 deserves brief explanation. In the original work [Blackwell, McLeish, and Harlen, 2000] a factor 2/q appeared in the exponent of the drag strain coupling term, where q was the number ...

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Similarity analysis of MHD flow field and heat transfer of a second grade convection flow over an unsteady stretching sheet

Similarity analysis of MHD flow field and heat transfer of a second grade convection flow over an unsteady stretching sheet

... the constitutive equations of second grade fluid with heat transfer over an unsteady stretching sheet un- der the influence of a transverse magnetic field with surface tension in the boundary con- ...

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Analysis of Interfacial Damage and Debonding Life Estimation of Cold Forging Tool Coated with Hard Film

Analysis of Interfacial Damage and Debonding Life Estimation of Cold Forging Tool Coated with Hard Film

... thermodynamic constitutive equation theory 8) is one of the most rational frameworks for the formulation of the constitutive equations with irreversible changes of internal states such as damage and ...

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Thermoelastic waves in an infinite solid caused by a line heat source

Thermoelastic waves in an infinite solid caused by a line heat source

... The nature of these three types of constitutive equations is [11] such that when the respective theories are linearized, type theory is the same as the classical heat conduction theory b[r] ...

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A mathematical model for three phase lag dipolar thermoelastic bodies

A mathematical model for three phase lag dipolar thermoelastic bodies

... In our present study the constitutive equations for the three-phase-lag dipolar thermoe- lastic solids are given. These were obtained by the procedure used in a simple case of classical elasticity. In order ...

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Complex Variable Method in Solving Singular Stress Field

Complex Variable Method in Solving Singular Stress Field

... (2) Suppose the principal elastic directions of the plate coincide with the coordinate directions, and let the directions 1, 2 parallel to the axes x, y, respectively. Now consider the linear elastic strain-stress ...

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