Tensile Test Research Papers - Academia.edu (original) (raw)

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- by and +2
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- Materials Engineering, Condensed Matter Physics, Secondary Ion Mass Spectrometry, Surface Chemistry
- by Davide Castagnetti
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- Structural Integrity, Experimental Research, Chlorine dioxide, Polyethylene
- by O. Bartier
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- Additive Manufacturing, Functionally Graded Material, Tensile Test
- by Sadhan De
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- Engineering, Materials Science, Materials, Natural rubber
- by Julian F V Vincent
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- Engineering, Materials Science, Crack propagation, CHEMICAL SCIENCES
- by bala kumar
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- Polyethylene, High Density Concrete, High Density Polyethylene, Tensile Properties
- by Elinor Bedia
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- Engineering, Polymer Blends, X Rays, Polymer
- by Leo Tjäderhane
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- Engineering, Mechanics, Water, Dental Materials
- by J.-l. Granju
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- Architecture, Compressive Strength, Building, Building Environment
- by Jaap G van der Laan
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- Materials Engineering, Materials Science, Nuclear Materials, Stainless Steel
- by Bill Clyne
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- Materials Engineering, Mechanical Engineering, Materials Science, Electron Microscopy
- by Dong Shin
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- Materials Engineering, Mechanical Engineering, Materials, Strain Rate
- by Aditya Kumar
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- Electronic Materials, Phosphorus, Copper, Nickel

Electroless Ni-P layers with three different P contents (6.1 wt.%, 8.8 wt.%, and 12.3 wt.%) were deposited on copper (Cu) substrates. Multilayered samples of Sn-3.5Ag/Ni-P/Cu stack were prepared and subjected to multiple reflows at 250°C.... more

- by Mr. Aditya Kumar (Assistant professor)
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- Electronic Materials, Phosphorus, Copper, Nickel

Mg–6Zn–5Al–4RE (RE= Mischmetal, mass%) alloy was prepared by metal mould casting method. The microstructure and mechanical properties of the as-cast and heat-treated alloys were investigated. The results show that the phase compositions of the as-cast state alloy are supersaturated solid solution α-Mg, lamellar β-Al12Mg17, polygonal Al3RE and cluster Al2REZn2 phases. The mechanical properties, especially the ultimate tensile strength and elongation of the alloy were significantly improved by the heat treatment. Fracture surface ...

- by Daniel Aronov
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- Materials Engineering, Biomedical Engineering, Hydroxyapatite, Cell Adhesion

In a number of professions, human life hangs on a knotted rope. However, until now only a poor attention of scientists has been paid to the properties of knots. The main objective of the presented research is to provide an in-depth revision of commonly used loop knot efficiencies employing modern experimental technologies and correct statistical processing. In the first part of the paper, the common mistakes in the available information sources were pointed out and the correct way of assessing the loop knot efficiency was proposed. Subsequently, correct statistical calculus was derived to evaluate mean knot efficiency and confidence interval. Efficiencies of eight commonly used loop knots loaded in several geometries were precisely measured, evaluated, and analyzed. Special attention was paid to avoid misleading conclusions based on experiments of low statistical power. Loop knot efficiency is not a constant, but it depends at least on the static breaking strength of a rope. The process of knot breakage was recorded by high-speed infrared thermal imaging. Analyses showed that the temperature of the most exposed parts of a knot could reach polyamide melting point. Finally, the microfilament analysis using electron microscopy was carried out to understand the breakage process on the microscopic level. topics: knot efficiency, rope, tensile tests, thermal imaging, electron microscopy

- by Ján Šimon
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- Electron Microscopy, Thermal Imaging, Rope, Rope Access
- by Gustavo Vargas
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- Materials Engineering, Mechanical Engineering, Composite Material, Shear Strength
- by Giampaolo Campana
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- Laser Welding, Stainless Steel, Experimental Evaluation, Industrial Production
- by Choong-Un Kim
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- Materials Science, Viscoplasticity, Fracture, Electronic Materials
- by J. Adrien
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- Multidisciplinary, Synchrotron Radiation, Raw materials, Nucleation and Growth
- by Zhenbao Liu
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- Engineering, Materials Engineering, Mechanical Engineering, Chemical Engineering
- by Naresh Bhatnagar
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- Materials Engineering, Mechanical Engineering, Polypropylene, Experimental Tests
- by Ana Popa
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- Materials Engineering, High Temperature, Application, Continuous Casting
- by Ruth Schwaiger
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- Biomass, Multidisciplinary, Energy Metabolism, Bignoniaceae
- by Kaiyang Zeng
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- Engineering, Nanoindentation, Small Angle X Ray Scattering, Morphology
- by Jianshe Chen
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- Food Engineering, Method, Texture, Application
- by Altuğ Saygılı and +1
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- Engineering, Construction Industry, X Rays, Environmental Sciences

Polyhydroxyalkanoate (PHA) copolymers of poly[(R)-3-hydroxybutyrate-co-5mol%-(R)-3-hydroxyhexanoate], poly[(R)-3-hydroxybutyrate-co-7mol%-4-hydroxybutyrate] and poly[(R)-3-hydroxybutyrate-co-97mol%-4-hydroxybutyrate] were electrospun to fabricate scaffolds with enhanced biocompatibility and bioabsorption. Subcutaneous implantation of the fibers in rats was performed to investigate their bioabsorption behavior and tissue response. The fibers before and after the in vivo experiments were characterized using gel permeation chromatography, scanning electron microscopy, X-ray diffraction and tensile test. Histological evaluation was also performed to determine the tissue response. The structures and properties of the electrospun PHA copolymers were compared with those of the electrospun poly[(R)-3-hydroxybutyrate]. The content and type of the second monomer and the diameter of fiber significantly influence the bioabsorption. The tissue response was found to improve with the high content of 4-hydroxybutyrate.

- by Razip Samian and +2
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- Biomaterials, Tissue Engineering, Scanning Electron Microscopy, Polymers

In this report the weldability of ductile iron is established as a function of the chemical composition of different consumables. Manual shield metal arc welding (SMAW) and Oxyacetylene Welding (OAW) were used, with and without preheat, on casting samples of 300×90×5 mm without groove using two types of electrodes: Fe–Cr–Ni, Ni-98% and two types of grey iron rods. The suitability of

- by Mercedes Pascual
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- Engineering, Iron, CHEMICAL SCIENCES, Microstructures
- by Ajay Padsalgikar
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- Biomaterials, Scanning Electron Microscopy, Drug delivery, Multidisciplinary
- by Mark Frogley
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- Engineering, Raman Spectroscopy, Stress Transfer, Tensile Test
- by Andrew Dawson
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- Engineering, Environmental Sciences, Requirements Management, Environmental Impact

Tensile testing has been performed at 25 and at 400 °C on two ferritic/martensitic steels (JFMS and HT-9) after irradiation in FFTF to up to 70 dpa at 373433 °C. As observed in previous studies, this range of irradiation temperatures has... more

- by Kenneth McClellan
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- Materials Engineering, Materials Science, Nuclear Materials, Nuclear
- by Anastasia Badeka and +1
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- Engineering, Chemical Engineering, Water, Carbon Dioxide
- by Marinella Levi
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- Materials Engineering, Chemical Engineering, Stress relaxation, Glass Transition
- by Julien Michels
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- Engineering, Optical Imaging, Shear Stress, Mechanical Testing

Spun cellulose fibres from the viscose, lyocell and carbamate processes have been used to reinforce thermoplastic commodity polymers, such as polypropylene (PP), polyethylene (PE) and (high impact) polystyrene (HIPS) as well as poly(lactic acid) (PLA) and a thermoplastic elastomer (TPE) for injection moulding applications. A specially developed double pultrusion technique has been employed for compounding. Fibres were analysed in single fibre tensile tests. Strength, stiffness, impact strength, and heat distortion temperature (HDT) were determined for injection-moulded standard test specimen and structural features were revealed by scanning electron microscopy. A strong reinforcing effect was observed in all cases. In particular, high tenacity tyre cord rayon gives excellent composite strength and impact strength, often doubling or tripling the pristine matrix values. In the case of PP, Lyocell type fibres provide enhanced stiffness and HDT, and thus the combination of both fibre types leads to a balanced composite property profile. The PE case is very similar to PP. For HIPS mainly strength and stiffness is increased, while for TPE the property profile is changed completely. With PLA, a biogenic and biodegradable composite with excellent mechanical properties is presented.

- by Mariana H Staia
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- Materials Engineering, Mechanical Engineering, Materials Science, Strain Rate

The effect of the thickness on the mechanical properties of injection-molded specimens of pure polyamide-6 (PA6) and polyamide-6 clay nanocomposites (PA6-NC) with 5wt% of layered silicates was investigated. Plates of 0.5, 0.75, 1 and 2mm thickness were characterized in the injection direction using Dynamic Mechanical Analysis under torsion and tension respectively, and tensile tests. The fracture surfaces were analyzed by

- by Volker Altstädt
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- Engineering, Scanning Electron Microscopy, Polymer, Injection Molding
- by F. Medel
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- Biomaterials, Gamma Rays, Multidisciplinary, Elasticity

Compared to traditional prosthetic pylon materials (Aluminum, Titanium, or Stainless steel.), composite prosthetic pylon materials are used instead of metals. Vacuum bagging technique was adopted for the preparation of specimens made of Poly methyl methacrylate (PMMA) as matrix with constant Perlon layers and different number of Hybrid (Carbon + Glass) fibers layers as reinforcement materials at (±45º&0º/90º) orientation relative to applied load. Also the finite element method (ANSYS-15) were used by create a model of prosthetic pylon and applied compressive load at heel strike step from gait cycle to known the critical buckling stress. The experimental and numerical results shown that the tensile strength, modulus of elasticity, and critical buckling stress increases with increasing number of Hybrid fibers layers, that equal to (145 MPa, 6.25 GPa, and 670 MPa) respectively, and the percentage of increase in tensile strength, modulus of elasticity, and critical buckling stress for specimen with three Hybrid (Carbon + Glass) layers and Perlon layers in PMMA resin compared with pure PMMA specimen was (302.7% , 300% & 257.22%) respectively, at (0º/90º) fibers orientation relative to tensile force.

- by Jawad K. Oleiwi
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- Composite Materials, PMMA, Prosthetics, Buckling
- by Houssam Toutanji and +1
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- Civil Engineering, Microstructure, Kinetics, Scanning Electron Microscopy