Indentation tests
Determination of elastic and viscoplastic material properties obtained from indentation tests using a combined finite element analysis and optimization approach
... Conventional indentation tests do not provide an accurate estimation of viscoplastic material ...single indentation loading-unloading curve based on a two-layer viscoplasticity ...the ...
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Hardness Analysis Of Ti-6Al 2Sn 4Zr 6Mo Using Vickers And Micro Vickers Indentation Tests.
... Vickers indentation tests yields fairly consistent hardness ...Vickers indentation can be successfully applied to heat treated steels and cold-rolled ...
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A comparative study on glass and carbon fibre reinforced laminated composites in scaled quasi-static indentation tests
... scaled tests were performed on QI S-glass/8552 epoxy covering scaling of in-plane dimensions and full three-dimensional scaled ...quasi-static indentation tests ...
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Energy exchanges during indentation tests. in fresh-water ice
... In the plots of displacement time-histories, the relative displacement of the structure with respect to the carriage has been denoted as structure displacement and [r] ...
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Estimation of local anisotropy of plexiform bone: Comparison between depth sensing micro-indentation and Reference Point Indentation
... for indentation tests along the three anatomical ...for indentation along the axial, one along the radial and one along the circumferential ...
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Indentation of aluminium foam at low velocity
... [2], indentation becomes a potential mode of ...the indentation behaviour of an aluminium foam under dynamic ...in indentation at ∼ 10 ...the indentation velocity was not constant in drop- ...
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Indentation Size Effect for the Hardness of Refractory Carbides
... surfaces elastically and then plastically deform during indentation tests. However, because these refractory carbides are brittle, specimen surfaces elastically deform and then fracture during ...
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Dynamic indentation on layered polypropylene foams
... The use of multilayered foams in dynamic compression has shown that the deformation is first localized in the softest layers whatever the position of the layers. The capabilities of these foams subjected to dynamic ...
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Micro Photoelastic Evaluation of Indentation Induced Stress in Glass
... In order to evaluate the crack pattern of these glasses, the indentation tests at a larger load were performed. Figure 6 shows optical microscope images of the imprints on these glasses. The ...
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INDENTATION OF SANDWICHES USING A LAYERWISE MODEL WITH FIXED DEGREES OF FREEDOM.
... quasi-static indentation tests carried out on 100x100mm fully supported ...indentations tests were carried out using spherical indenters with radii of 21,75, 30,125 and 57,25 ...
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Finite indentation of highly curved elastic shells
... tensile tests, because test-piece shapes must be controlled. Indentation tests are another classical technique, in which a rigid indenter is pushed into the specimen to generate a force–displacement ...
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Evaluation of Brie cheese maturity from indentation test
... the indentation test at the constant speed of the indentor penetration (20 ...the indentation tests are independent on the direction in the ...
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Mechanical Characterization of Metallic Materials by Instrumented Spherical Indentation Testing
... instrumented indentation tests onto any kind of ductile materials and a maximum load of 2000 N can be attained, with a resolution of ...the indentation response of the hardest metallic ...
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Indentation Creep Behavior and Microstructure of Cu Ge Ferrites
... The indentation tests were performed using a Vickers hardness tester (AKASHI MVK-H2, Japan) where the applied load (F) in Newton and testing time (t) in minute are the two only ...The indentation ...
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The influence of the indenter tip radius on indentation testing of brittle materials
... in indentation tests on brittle materials, there are two key parameters to consider; the ®rst is the maximum tension in the surface, as this is the quantity which is responsible for starting and propelling ...
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Estimation of local anisotropy of plexiform bone: Comparison between depth sensing micro-indentation and Reference Point Indentation.
... for indentation tests along the three anatomical ...for indentation along the axial, one along the radial and one along the circumferential ...
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Evaluating the Wear of Polycrystalline Diamond Compact Drill Bit Cutters using Indentation and Scratch Tests
... microindentation tests were performed on the diamond and the substrate layers of the PDC samples using INSTRON 5566 equipment using Vickers indenter at various ...nano-indentation tests on both ...
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Review: Models of Instrumented Indentation Measurements of Elastic Plastic Materials
... Loubet et al. [1] and Mencik and Swain [3] have also explored the relationship between Wp/ Wtot and hf/hm.. By assuming that the respective loading and unloading curves are given by Eqs. (8) and (17), a relationship ...
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Assessment of Surface Caking of Powders Using the Ball Indentation Method
... The relative humidity at which the glass transition occurred was determined by DVS for PVP and HPC powders. Approximately 10 mg of powders was used and initially dried at 0% RH. They were then exposed to a linearly ...
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Study of Dam Concrete Mechanical Properties Using Nano-indentation
... the indentation results of modulus of the dam samples fall in the region in 34-83 GPa, which means the carbonation process is the reason why modulus and hardness change during time and this effect is done by ...
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