strain rates
Effect of strain rates on tensile properties and fracture toughness determination of extruded Mg Al Zn alloys
... high strain rates of extruded magnesium alloys and their fracture behaviour are some of the important parameters to be considered in design in ensuring the durability and reliability of automobile ...of ...
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Influence of High Strain Rates on the Mechanical Behavior of High-Manganese Steels
... High strain rate experiments in the range of true strain rates between ~500 and 1800 /s were conducted using a dynamic torsional testing ...positive strain rate sensitivity in the intermediate ...
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GPS derived strain rates on an active ice shelf rift
... in strain rates on an active propagating rift system on the Amery Ice Shelf, East Antarctica are determined using in-situ Global Positioning System (GPS) ...parallel-to-rift) strain rates ...
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Experimental methodology for the measurement of plasticity on metals at high strain-rates
... and strain by applying Bridgman theory ...high strain-rate an in-situ high speed shadowgraph technique has been developed, and to obtain better results from the images a sub-pixel accuracy edge detection ...
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Inverse methods for the mechanical characterization of materials at high strain rates
... the strain rate at which the load is applied, the force- displacement curve at quasi-static range is not enough in- formation for complete characterization of ...different strain rates. These dynamic ...
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Impact performance of FRC slabs under various strain rates
... Abstract. Impact resistance of plain concrete and FRC composites gains high importance in the present days. This paper presents outcomes of the experiments focused on performance of FRC slabs subjected to impact loading ...
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Dynamic Strength of Silica Glasses at High Pressures and Strain Rates
... Given identical anvil materials, higher pressures and strain rates in pressure-shear plate impact experiments, are achieved by increasing the impact velocity of the flyer plate. Past PSPI experiments were ...
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Refinement of the wedge bar technique for compression tests at intermediate strain rates
... Various approached have been taken to extend the range of the traditional QS and SHPB techniques [1], the most successful of which either attempt to minimize inertia effects in QS type machine by reducing the size and ...
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The dynamic Virtual Fields Method on rubbers at medium and high strain rates
... medium strain rate (e.g., 100 s −1 ), and, at the same time, a large strain with a constant strain ...high strain rates and the experimental expedi- ency of using single loading pulse ...
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Prediction of the True Stress of ZE20 Magnesium Alloy at Different Temperatures and Strain Rates
... A new magnesium alloy, ZE20 (Mg – 2 wt.% Zn – 0.2 wt.% Ce), was deformed to observe the resulting true stress behaviour. The detailed results of the physical modelling are reported in the literature [20]. The accuracy of ...
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Dynamic behaviour of Al-Mg aluminum alloy at a wide range of strain rates
... Until now, the AA5xxx series aluminium alloy has been tested at various strain rates and temperatures. This alloy contains the solute Mg atoms and has the high strength and the corrosion resistance. When ...
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Experimental characterization of dynamic deformation behaviour for SCM440 steel at high strain rates
... in several defense applications, such as blast effects, ballistics impacts, and crashworthiness. The demand for accurate analysis and understanding of the dynamic material behaviour has been growing to design and ...
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Estimation of the Terceira Island (Azores) main strain rates from GPS data
... and strain rates for the Terceira Is- land were derived from the observation of 10 stations of a dense GPS ...and strain rates field ...
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Evolution of the martensitic transformation in shape memory alloys under high strain rates
... of strain rate on the transformation on an NiTi SMA is studied in ...erent strain rates in the range of 0,0001 / s to 15 / ...high strain rate is deduced from space-time fig- ...of ...
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Stress strain properties and micro structural change in metal deformed at strain rates of upto 10^5 per second
... working range, this applies especially when large strains are imposed. The choice of appropriate strain rate is also important in superplastic metal forming processes. The amount of plastic flow in this case is ...
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Mechanical Properties of Bulk Ultrafine Grained Aluminum Fabricated by Torsion Deformation at Various Temperatures and Strain Rates
... and nanostructured materials. 6 11) For example, several researchers have reported that the UFG materials exhibit ultrahigh strength, which is higher than that predicted from the Hall Petch relationship for coarse ...
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A constitutive model for ballistic gelatin at surgical strain rates
... capture strain rate-dependence, though using quite different ...entire strain history of the material, naturally including, for example, temporal patterns of strain magnitude and ...different ...
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Effects of microstructure on the dynamic strain aging of ferriticpearlitic steels at high strain rates
... high strain rate tests were carried out using a Split Hopkinson Pressure Bar (SHPB) ...active strain gages were attached to the center of the incident and transmitted bars to record the strain ...The ...
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Measurement of fracture energy of concrete at high strain rates
... Abstract. The Hopkinson Bar has been widely used by many researchers for the analysis of dynamic properties of different brittle materials and, due to its great interest, for the study of concrete. In concrete structures ...
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Determination of Tensile Properties of Polymers at High Strain Rates
... Abstract. In the field of high rate testing of polymers the measured properties are highly dependent on the applied methodology. Hence, the test setup as whole but in particular also the geometrical type of specimen ...
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