strain rate sensitive constitutive equations

Chapter III considers the form of the rate sensitive constitu tive equation developed and explains how the equation predicts var ious stress-strain curves for ...

The strain rate sensitive flow stresses and constitutive equations of a ...

The strain rate is not constant in the SHPB tests and varies between 2500 and 3150 s-1 for SLM-316L and between 2800 and 3250 s-1 for C-316L, ...

Constitutive Equations of Yield Stress Sensitivity to Strain Rate of ...

Several constitutive equations have proposed to model the strain rate sensitivity of metals to strain rate.

Strain Rate Sensitivity - an overview | ScienceDirect Topics

2.3 Strain Rate Sensitivity ... n = ∂ ln σ / ∂ ln ɛ . = ∂ ln H c / ∂ ln [ ( 1 / h ) ( ∂ h / ∂ t ) ] .

Constitutive Equation for Strain-Rate Sensitive Material

Temperature-dependent constitutive differential equations are derived for the dynamic behavior of a strain-rate sensitive plastic material that.

THE CONSTITUTIVE EQUATIONS FOR RATE SENSITIVE ... - jstor

Solutions of the relaxation equatio such materials are given. 1. Introduction. For general types of stress and strain rate, possible constitu equations were ...

Identification of constitutive equations at very high strain rates ... - HAL

(2006). For these two modified models the strain hardening term was combined with the strain rate sensitivity one, making more difficult the ...

The constitutive equations for rate sensitive plastic materials

Abstract: The principal aim of the present paper is to generalize the one-dimensional constitutive equations for rate-sensitive plastic materials to general ...

[PDF] The constitutive equations for rate sensitive plastic materials

844 Citations · A temperature-dependent constitutive equation for strain-rate sensitive material · Implications due to Different Loading Programs in Inelastic ...

Constitutive Equations of Yield Stress Sensitivity to Strain Rate of ...

Several constitutive equations have proposed to model the strain rate sensitivity of metals to strain rate. This paper presents a ...

A comparison of rate sensitive constitutive equations under plane ...

In the constitutive equations that have been compared, the visco-plastic part of the strain rate is an exponential, linear, cubic and fifth power function of ...

Constitutive laws - 3.7 Rate independent plasticity

... sensitive to deformation rate. Viscoplasticity will be discussed in Section ... This constitutive equation is used primarily to model cyclic plastic deformation ...

A plastic constitutive equation incorporating strain ... - Ju Li Group

... constitutive equations relating plastic flow stress with strain ... This section covers the strain hardening, strain rate sensitivity, and thermal ...

A Constitutive Equation Describing Strain Hardening, Strain Rate ...

A constitutive equation with which strain hardening, strain rate sensitivity, temperature dependence and strain rate history effect can be described ...

The strain rate sensitive flow stresses and constitutive equations of a ...

A more rapid decrease in the rate sensitivity of C-316L at increasing strains was found in the quasi-static-high strain rate range. The similar activation ...

A strain rate dependent thermo-elasto-plastic constitutive model for ...

Then, the thermal strain was introduced into the total strain and the thermo-elastic constitutive equation was established. For the plastic ...

[PDF] Constitutive Equations of Yield Stress Sensitivity to Strain Rate ...

Several constitutive equations have proposed to model the strain rate sensitivity of metals to strain rate.

Viscoplastic Constitutive Equations for Copper with Strain Rate ...

rate sensitivity and temperature. ACCESSION for. NTIS. White Section. DOC. Buff Section a.

Constitutive laws - 3.8 Viscoplasticity - Applied Mechanics of Solids

The law is usually used only with N=1. Similar hardening laws are used in constitutive equations for high strain rate deformation; but in this case the flow ...

A Temperature-Dependent Constitutive Equation for Strain-Rate ...

Temperature-dependent constitutive differential equations are derived for the dynamic behavior of a strain-rate sensitive plastic material that does not exhibit ...