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High strain rate testing

Microstructural Evolution and Mechanical Properties under High Strain Rate Testing of W 3 99Ni 1 71Fe Sintered by a Two Stage Sintering Process

Microstructural Evolution and Mechanical Properties under High Strain Rate Testing of W 3 99Ni 1 71Fe Sintered by a Two Stage Sintering Process

... terms of tungsten grain size, contiguity of tungsten grains, dissolved concentration of tungsten in the matrix, and the precipitation of intermetallic compounds along the interface between tungsten grains and matrix ...

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Image-based high strain rate testing of orthopaedic bone cement

Image-based high strain rate testing of orthopaedic bone cement

... higher strain rates correspond to the central sections during the first couple of runs, and the strains are much larger there than towards the edges (points at low temperature and lower strain ...

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Specimen Inertia in high strain rate tensile testing

Specimen Inertia in high strain rate tensile testing

... the end of the gauge section. The second assumption is equivalent to saying that the shoulders and endcaps do not deform, which might be a good approximation to the real behaviour, and instead just act as point masses on ...

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Large scale high strain-rate tests of concrete

Large scale high strain-rate tests of concrete

... Abstract. This work presents the stages of development of some innovative equipment, based on Hopkinson bar techniques, for performing large scale dynamic tests of concrete specimens. The activity is centered at the ...

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On the strain rate limits in dynamic testing of concrete-like heterogeneous materials

On the strain rate limits in dynamic testing of concrete-like heterogeneous materials

... the strain rate increases, although explanations of the underlying mechanisms may ...For testing into high strain rate regime ...

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Flow and failure of an aluminium alloy from low to high temperature and strain rate

Flow and failure of an aluminium alloy from low to high temperature and strain rate

... low strain rates using a servo-hydraulic machine. High strain rate tests have been carried out using the same geometry in a Hopkinson Split Tensile ...the high temperature ones with a ...

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Characterisation and modelling of structural bonding at high strain rate

Characterisation and modelling of structural bonding at high strain rate

... new testing device has been set up on Split Hopkinson bars in order to identify adhesive’s properties in assemblies for high strain rate and for different loading ...

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Investigation of the Hygrothermal Effect on the Nanocomposite Material under High Strain Rate Torsion

Investigation of the Hygrothermal Effect on the Nanocomposite Material under High Strain Rate Torsion

... of high strain rate torsion on unidirectional fiber glass / epoxy composite with and without adding nano particles (carbon and alumina) with weight percentage 2% and study the effect of the ...

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Simulation of high strain rate deformation in structural polymeric foam : innovation report

Simulation of high strain rate deformation in structural polymeric foam : innovation report

... from testing discussed in this document has been filtered using T/HIS, software discussed in section ...the high frequency components of the ...a high frequency phenomenon, therefore the process can ...

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Characterisation of the high strain rate behaviour of tubular materials

Characterisation of the high strain rate behaviour of tubular materials

... For testing metallic materials, usually screw connections are used to avoid any possible slip between the components. A second advantage of this technique is to limit backlash. Fixtures are made of steel having ...

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A Review on Effect of High Strain Rate on Mechanical Behavior of Al based MMCs

A Review on Effect of High Strain Rate on Mechanical Behavior of Al based MMCs

... at strain rates from quasi-static to high strain rate up to 3000 s -1 ...SHPB testing in this study. First, Longitudinal strain during the test was restricted using; ...

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Strain rate and thermal softening effects in shear testing of AA7075-T6 sheet

Strain rate and thermal softening effects in shear testing of AA7075-T6 sheet

... larger strain levels, and consequently has the potential to result in thermal softening ...low strain rate experiments since the heat generated within the specimen is dissipated either through ...

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High strain rate response of UHP(FR)C in compression

High strain rate response of UHP(FR)C in compression

... Dynamic Testing of Materials Laboratory of the Research Institute of Mechanics – Lobachevsky State University of Nizhny Novgorod (Russia), which consists of an input (2) and an output (5) bars with the specimen ...

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Study of the Hydrogen Delayed Fracture of Mooring Chain Steel using Strain Rate Testing

Study of the Hydrogen Delayed Fracture of Mooring Chain Steel using Strain Rate Testing

... Due to working in a severely corrosive environment, mooring chain steel with a tensile strength over 690 MPa is generally regarded as a high-strength steel. Hydrogen could be introduced into the chain steel as a ...

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High strain-rate compressive behavior and constitutive modeling of selected polymers

High strain-rate compressive behavior and constitutive modeling of selected polymers

... intermediate strain-rates compressive stress-strain relations are measured in an Instron testing ...erent strain rates derived from the modified Ramberg-Osgood models are compared with the ...

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High Strain Rate Mechanical Property Characterization of Additively Manufactured Polymers.

High Strain Rate Mechanical Property Characterization of Additively Manufactured Polymers.

... various strain rates to better understand the operational window of a part under ...tensile testing is ...strength testing of the materials herein ...higher strain rates, a split-Hopkinson ...

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Effect of high strain rate on micro-indentation test in pure aluminum

Effect of high strain rate on micro-indentation test in pure aluminum

... of high strain rate (dynamic strain rate) on indentation properties by comparing the results of a micro- indentation test at a loading rate of 70 mN / s and the results obtained ...

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Hybridized High Strength High Modulus Yarn Intercalated with Graphene Oxide Relationship at High Strain Rate

Hybridized High Strength High Modulus Yarn Intercalated with Graphene Oxide Relationship at High Strain Rate

... (low strain rate) tensile testing was performed on an Instron 3365 equipped with a 2 kN load ...constant rate of speed per ASTM D579 and D7269 until failure occurs. The strain ...

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High strain rate properties of structural aluminium

High strain rate properties of structural aluminium

... using high velocity compression testing in con­ junction with a finite-difference numerical technique was adopted, developed, used and modified to suit different ...the high strain rate ...

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High strain rate and high temperature response of two armour steels: Experimental testing and constitutive modelling

High strain rate and high temperature response of two armour steels: Experimental testing and constitutive modelling

... Ballistic testing by Showalter [5] highlighted the comparable performance of an IRHA and a HHA grade in defeating armour piecing ammunition. The performance of monolithic steel armour against this threat class has ...

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