uniaxial compression tests
Compressive behaviour of wheat from confined uniaxial compression tests
... stress-strain curves with different maximum vertical stress levels display a similar trend during loading. The biline- ar approximation of unloading is certified by each curve, which means that different slopes of ...
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Mechanical Responses of Copper Bicrystalline Micro Pillars with Σ3 Coherent Twin Boundaries by Uniaxial Compression Tests
... deformation in bulk. However, the response to indent loading involves the sharp stress gradient from the surrounding media via a long-ranged elastic field. Therefore, nanoindentation for the limited volume sample with a ...
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Plastic behaviour and forming limit during biaxial compressions of magnesium alloy AZ31 at room temperature
... True stress-strain curves obtained by uniaxial compression tests in x, y, and z directions at room temperature are presented in Fig. 3. The good agreement of three curves implies that the initial ...
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{001} Texture Map of AA5182 Aluminum Alloy for High Temperature Uniaxial Compression
... Uniaxial compression tests were conducted under constant cross head speed conditions in air with temperatures and strain rates ranging from 673 K to 823 K and 5:0 10 4 to 5:0 10 2 s 1 , ...
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Micro Mechanical Properties of Expanded Clay Particles
... The characterization of the crushing behavior of expanded clay is the main idea of this paper. An experimental investigation was carried out to determine the physical and mechanical properties of this complex material ...
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STUDY ON STRESS-STRAIN PROPERTIES OF REACTIVE POWDER CONCRETE UNDER UNIAXIAL COMPRESSION
... in compression, the stress-strain behaviour of RPC under compression is of considerable interest in the design of RPC members and accurate prediction of their structural ...from uniaxial ...
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Discrete element modelling of uniaxial constant strain rate tests on asphalt mixtures
... Cai et al. [21] used PFC3D to model the asphalt mixtures with graded aggregates. A parallel bond comprising a set of elastic springs with constant normal and shear stiffnesses distributed over a circular disk with ...
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An influence of thermally-induced micro-cracking under cooling treatments: mechanical characteristics of Australian granite
... of uniaxial compression tests was conducted to evaluate the mechanical properties of granite specimens subjected to pre-heating to temperatures ranging from 25–1000 ◦ C under both cooling ...
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Coarse Aggregate Size Effect on Non-linear and Uncertainty Mechanical Behaviors for Concrete
... of uniaxial compression tests and simulations were conducted to evaluate the influences of single coarse aggregate (CA) size on the mechanical properties of concrete and their ...
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Deformation Mechanisms in Nanoscale Single Crystalline Electroplated Copper Pillars
... and uniaxial compression tests (pillars) as well loading conditions: strain rates and experimental constraints are different; (5) and finally different stress states: thin films have a 2-D stress ...
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Evaluating damage to reinforced concrete during mechanical compression and bending tests
... to uniaxial compression and bending. For the uniaxial compression tests, samples of concrete with steel and fiberglass reinforcement were ...bending tests, samples sized 100 × ...
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Performance of the High Strength Self Stressing and Self Compacting Concrete Filled Steel Tube Columns Subjected to the Uniaxial Compression
... the uniaxial compression of ...axial compression were ...better uniaxial compression performance in comparison with conventional CFST ...
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Parameter Identification of a Stress Triaxiality-Dependent Plastic Damage Model for Concrete
... Three parameters, among which two parameters are used for describing scalar damage evolution and one parameter for triaxiality-dependent plastic hardening, were chosen as unknowns to be identified. Numerical validations ...
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The Investigation of Modelling Material Behavior in Autofrettaged Tubes Made from Aluminium Alloys
... This is, in fact, the maximum plastic strain which is created in the specimen before unloading phase. In all presented equations in this paper, e PL L * is in percent. 3. 4. Nonlinear Unloading (D-E-F) Modeling the ...
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Proposal of a Law Behavior Model for High Performance Concrete in Uniaxial Compression
... mechanical tests and the constraint- deformation curves of the literature [2], [3], [4] and [7], the first intuition is to consider a linear law of the shape = E ...
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INTRODUCTION OF IMPERFECTIONS IN THE CUBIC MESH OF THE TRUSS-LIKE DISCRETE ELEMENT METHOD
... nominally uniaxial compression, on the other hand, while the carrying capacity and the fracture patterns are correctly predicted by the present DEM formulation with the imperfect cubic mesh, the predicted ...
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Uniaxial Loading Deformation Tests in Studying Serration Flow of Alloy C460
... The appearance of serration flow under uniaxial loading has been presented as the outcome of interaction between dislocations and precipitates [1, 2]. It has also been reported that the appearance of serration ...
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Re-examination of the mechanical anisotropy of porcine thoracic aorta by uniaxial tensile tests
... mechanical tests. In the tests, the engineering stress σ and strain ε were calculated by σ = F/A and ε = Δl/l, respectively, where F is the tension force, A is the initial cross-sectional area obtained by ...
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A tensile strength apparatus with the facility to monitor negative pore-water pressure
... During early testing, the majority of tests failed under loading at one of the soil-adhesive boundaries. This was attributed to an inability of the paraffin film and cling film to adequately prevent evaporation ...
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Characterization of loading responses and failure loci of a boron steel spot weld
... Due to limited allocated experimental time, indents were not made into the far-field BM; therefore, the instrumented indentation yield value presented for the BM is from the average of three data points at 6.6 mm in ...
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