Determination of strain|rate sensitivity parameter

Strain Rate Sensitivity - an overview | ScienceDirect Topics

Strain rate sensitivity is usually determined by performing strain rate change tests during either uniaxial tension or compression tests.

Determination of strain-rate sensitivity parameter (m) - YouTube

In this video I show you a simple exercise to obtain the strain-rate sensitivity parameter (m). Here, we use 4 different flow curves ...

Physical nature of strain rate sensitivity of metals and alloys at high ...

These two parameters are enough for a unique determination of the dynamic yield stress in a wide range of strain rates. One can interpret τ in terms of the ...

On the measurement of the strain-rate sensitivity parameter with a ...

Abstract. The different methods used to measure the strain-rate sensitivity parameter by a strain-rate change experiment are analyzed in terms of the variables ...

Strain Rate Sensitivity of Thin Metal Films by Instrumented Indentation

Both hardness and displacement are calculated using this indirect determination of contact area. In order to distinguish these parameters as being obtained as a ...

M-Value, Strain Rate Sensitivity - AHSS Guidelines

To characterize the strain rate sensitivity, medium strain rate tests were conducted at strain rates ranging from 10-3/sec (commonly found in tensile tests) to ...

Strain-Rate Sensitivity Index m: Definition, Determination, Narrowness

In this paper different methods to determine the strain rate sensitivity index of a superplastic material are considered.

strain rate sensitive constitutive equations

= rate sensitivity material parameter. = uni-axial loading. = shear loading ... Consequently, in his study, Rosenblatt attempted to determine strain rate ...

Identification of material parameters at high strain rates using ...

Particularly when new products or configurations face severe mechanical loads (e.g., from impacts, machining, or explosions), understanding the ...

new approach for determination of strain rate sensitivity of mild steel ...

In order to determine the plastic parameters such as hardening, anisotropy and strain rate sensitivity at higher strain level, equi-biaxial stress state is ...

Measurement of the strain-rate sensitivity parameter with a tensile test

The different methods used to measure the strain-rate sensitivity parameter by a strain-rate change experiment are analysed in terms of the ...

Determination of strain-rate sensitivity parameter (m) - Glasp

The two methods for evaluating strain rate sensitivity include either plotting the data points from the flow curves to determine the slope or ...

Identification of strain-rate sensitivity parameters of steel sheet by ...

The aim of the present work is to show a numerical technique based on an inverse approach to determine strain-rate sensitivity parameters of steels for car body.

(a) Illustration of the method used for determination strain rate...

At the equivalent strain of 0.04, a strain rate sensitivity parameter of 0.010 and 0.019 (in 10⁻⁴-10⁻² 1/s range) was measured for tensile and compression ...

Strain rate sensitivity of the commercial aluminum alloy AA5182-O

strain rates from 10. −6 to 10. −1 s. −1 . The strain rate sensitivity parameter is determined as a function of temperature and plastic strain, and the strain ...

Strain Rate Sensitivity | Encyclopedia MDPI

Strain rate sensitivity is an important parameter for end-use applications when polymers are FFF processed. Studying the behavior change due to the strain rate ...

Strain rate sensitivity Archives - AHSS Guidelines

To characterize the strain rate sensitivity, medium strain rate tests were conducted at strain rates ranging from 10-3/sec (commonly found in tensile tests) to ...

On the Strain Rate Sensitivity Measured by Nanoindentation at High ...

The measurement of strain rate sensitivity at strain rates exceeding 103 1/s is laden with many experimental and theoretical challenges. In this ...

Full article: Strain hardening exponent and strain rate sensitivity ...

Strain hardening and strain rate sensitivity can be determined by uniaxial tensile tests at different strain rates, from 0.001 S − 1 to 10 S − 1 . In the ...

The Strain-Rate Sensitivity of High- Strength High-Toughness Steels

Schael, “Determination of crash-relevant material parameters by dynamic tensile tests”, Steel Research, vol.71, no.5, p.173-8, 2000. 2. B.L. Boyce, C.V. ...