Test Methodologies: Strain Rate Sensitivity Investigation
Strain Rate Sensitivity of Superplastic Inconel 718
... two strain rates during tensile tests performed at a constant ...finite strain rate change, only several discrete values of m can be obtained from each ...continuous strain rate changes ...
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Computing strain rate sensitivity of aluminium alloy 1050
... tensile test were performed for AA1050-H14 at different strain rates and forming temperatures using SPF specimens to compute its strain rate sensitivity at different forming ...tensile ...
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Effects of Microstructure on the Strain Rate Sensitivity of Advanced Steels
... the strain rate sensitivity in two ~1GPa tensile strength steels, Ferrite- Martensite DP980 and Ferrite-Martensite-Austenite QP980, were ...no rate sensitivity; slight increase in ...
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Experimental analysis and modelling of the strain-rate sensitivity of sheet niobium
... to strain-rate: hence the quality and reliability of the FE results strongly depend by the definition of an appropriate strain-rate dependent flow stress material ...different ...
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Numerical analysis of strain rate sensitivity in ball indentation on cohesive powder Beds
... 1.1. Ball indentation technique Hassanpour and Ghadiri (2007) proposed a test method for assessing the fl owability of cohesive powders based on ball indentation on a powder bed. The method has a unique advan- tage ...
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Ion Irradiation Effect on Strain Rate Sensitivity of Nanoindentation Hardness of W Single Crystal
... LSR sensitivity of NI-hardness by irradiation can be explained in terms of an increase in the athermal stress caused by irradiation-induced obstacles against dislocation ...tensile test data (for the tests: ...
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Hall-petch relationship and strain rate sensitivity of nanocrystalline Mg - 5wt% A1 alloy
... compression test was conducted using an Instron universal testing machine at room temperature over two magnitudes of strain rates, from ...compression test with 5 mm diameter and 10 mm in length with ...
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Investigation of the Hygrothermal Effect on the Nanocomposite Material under High Strain Rate Torsion
... 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 temperature and ...
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Experimental investigation of an aggregate material behavior under confinement at high strain rate
... 2 Institut PRISME, ENSI de Bourges, 88 Boulevard Lahitolle, 18020 Bourges Cedex, France Abstract. Low velocity impacts can ignite explosives or energetic materials. Ignition depends on the mechanical behavior of the ...
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Experimental investigation of the behaviour of tungsten and molybdenum alloys at high strain-rate and temperature
... temperature sensitivity was investigated from room temperature up to 1000 ◦ C both in quasi-static and dynamic ...both strain-rate and temperature ...the strain-rate such that no ...
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Strain rate sensitivity of autoclaved aerated concrete from quasi-static regime to shock loading
... regime to shock loading J´erˆome Mespoulet a , Fabien Plassard, and Pierre Louis Hereil THIOT INGENIERIE, Route Nationale, 46130 Puybrun, France Abstract. The quasi-static mechanical behavior of autoclaved aerated ...
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Local strain rate sensitivity of single α phase within a dual-phase Ti alloy
... similar rate sensitivities were found in hard and soft grain orientations of Ti6246, while a signi ficant grain orienta- tion dependence was observed in ...the rate sensitivity, and therefore only ...
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Strain-rate sensitivity of tensile behaviors for nickel-based superalloys GH3044 and GH4033 at room temperature
... The test samples were cylindrical tensile specimens with a diameter of 5 mm and an original gauge length of 25 mm according to the International Standard ISO 6892-1: 2009, as shown in ...
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Experimental Investigation of Composite Materials Subjected to Torsional Stresses at High Shear Strain Rate
... From two arms, the clamp system was consist which are connect together by a load release pin at the top. Two large bolts are used to tightened the clamp by pushes the lower ends arms of the clamp together. After the ...
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THE STRAIN-RATE SENSITIVITY OF MARTENSITIC HIGH STRENGHT STEELS. SCHMIDOVÁ Eva, CULEK Bohumil, HOJKA Přemysl
... impact test hammer (Zwick/Roell ...the rate of ...loading rate of 5.3 m/s using the impact test hammer included compliance tests of special chuck, enabling sample testing with safe slip ...
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Finite element and experimental investigation on the effects of temperature, strain and strain rate on microstructure and mechanical properties of FSSWed TRIP steel joints
... The amount of austenite phase and carbon content of it were measured by XRD using Cu-Kα radiation. A step scan within the 2θ interval between 40° and 120° at 0.2° was done. XRD investigations were done with μ-XRD ...
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Investigation of Stress Corrosion Cracking Behaviors of an AZ91 Magnesium Alloy in 0 1 kmol/m3 Na2SO4 Solution Using Slow Strain Rate Test
... before test caused the formation of hydride and the existing of micro-cracks on surface and at ...during test would also promote the formation and propagation of micro-crack by the synergistic effect of high ...
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Determination of strain rate sensitivity of AL and SA516 Gr. 70 CS upto 400 C using SHPB
... high strain rate ...increased strain rate and temperature ...drop test of radioactive material shipping cask etc have made the study of subject ...
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A study on rate sensitivity of elasto-plastic fracture toughness of TRIP steel evaluated by a small punch test
... Abstract. TRIP steel indicates an excellent characteristic in energy absorption because of its high ductility and strength by strain-induced martensitic transformation (SIMT). Recently, some shock absorption ...
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Strain-Rate Selection in the Constant-Rate-of-Strain Consolidation Test
... Data from the CRS tests shown in Figure 13 will be used later in this report to incorporate the effect of S into the strain-rate selection process. It was stated earlier that the critical value of flb/av ...
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