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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 154 for “"tensile properties"”.
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Tensile Properties of Asphalts in Thin Films
Made available in DSpace on 2014-12-05T17:37:43Z (GMT). No. of bitstreams: 1 6402923.pdf: 6269980 bytes, checksum: 16ad862ca32b4b8cf0c287b138b627a9 (MD5) Previous issue date: 1963
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Tensile Properties of Single Vaginal Smooth Muscle Cells
… experimental setup was used to perform tensile tests. Micropipettes were fabricated to serve as cantilever-type load cells, which were coated in cellular adhesive. Two pipettes applied tension to SMCs until adhesion between the cell and a pipette failed. During mechanical testing, images …
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Effect of nano- fillers on tensile properties of biopolymer films
… structural materials. However, their mechanical properties are limiting. Current research is focused on modifying the physical and chemical properties of biopolymers for better performance and broader applications. The addition of nanofillers has been proposed as a way to modify mechanical …
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Effects of high pressure solidification on the tensile properties of polypropylene
… the crystallinity, and hence mechanical properties, of those regular polymers which can crystallize when cooled from the melt. In this study, samples of isotactic polypropylene were solidified under pressures up to 40,000 psi. In addition to tensile properties, the resultant density, …
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Relationship Between Tensile Properties and Microscopically Ductile Plane Strain Fracture Toughness
Made available in DSpace on 2014-12-12T00:25:54Z (GMT). No. of bitstreams: 1 7405684.pdf: 4740009 bytes, checksum: 7b8008bfb0c0cca00c53833478b5d7b3 (MD5) Previous issue date: 1973
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The role of microarchitecture in the tensile properties of polymer scaffolds
… and movements makes their mechanical properties very important to human health. However, soft tissues have complex mechanical characteristics: they undergo large deformations and have non-linear stress-strain relationships. Numerical models in the literature give insight into their …
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Space environmental effects on graphite-epoxy compressive properties and epoxy tensile properties
… graphite/epoxy composite material and on the tensile properties of the neat (unfilled) epoxy matrix material. Both materials were tested in the baseline state and after exposure to electron radiation (total dose of 10,000 Mrads of 1 MeVelectrons at a dose rate of 50 Mrads/hr). Irradiation was …
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Stretched to the limit : leaf tensile properties and lignin content of resurrection plants
Leaf tensile strength was measured for four resurrection plants, Craterostigma wilmsii Engl, Xerophyta schlecteri (Baker) N.L. Menezes, Xerophyta humilis (Baker) T. Durand & Schinz and Sporobolus stapfianus Gandoger, as well as two desiccation-sensitive controls, Zea mays L. and Arabidopsis …
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Tensile properties of ovine skeletal muscle fibres: Thermal denaturation and selective removal of titin.
… understanding of, the structural and mechanical properties of single muscle fibres as a result of three different postmortem factors. Understanding how these factors affect the meat on a cellular level can help us to better control the environmental and postmortem influences on whole meat quality.
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Investigation the effect of expanded graphite modification on tensile properties and adhesive of epoxy composite
… academia and researchers due to its outstanding properties such as having strength 200 times stronger than steel, great efficiency of heat and electricity conduction, and also low cost. The aim of this study is to determine the tensile properties and adhesive toughness of unmodified graphite …
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Hierarchical carbon fiber composites with radially aligned carbon nanotubes : preservation of in-plane tensile properties
… improvements in inter- and intra-ply mechanical properties as well as multifunctional enhancement via tailorable electrical and thermal conductivities. However, thus far, the development of fuzzy carbon fiber reinforced plastics (fuzzy CFRP) with all-around enhanced mechanical properties has been …
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Tensile Properties of Loblolly Pine Strands Using Digital Image Correlation and Stochastic Finite Element Method
… included many assumptions of unknown mechanical properties associated with the hierarchical structure of wood. The experimental validation of previous models did not account for the variation of mechanical properties present in wood materials. Little research has explored the uncertainties of …
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Effect of heat treatment on tensile properties, dyeability and crystallinity of nylon and polyester filament yarns
… structural changes and changes in physical properties due to heat setting. Density, obtained by the density gradient column technique, was used to calculate the degree of crystallinity as a structural parameter. Filament tensile strength and elongation at break were measured on a …
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Effect of strain rates on tensile properties and fracture toughness determination of extruded Mg-Al-Zn alloys
… protection in survivable crashes. Besides static tensile properties, tensile properties at 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 …
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Influence of Grain Size and Widmanstätten Colonies on Variability of Tensile Properties of Forged Ti-6Al-4V
… did not meet the requirements for mechanical properties. This triggered an investigation into two of the parts from the lot that did not meet specification. The ultimate reason for failure was due to lower than necessary yield strength and ultimate tensile strength values, as well as unwanted …
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Effect of heat treatment on dyeability, glass transition temperature, and tensile properties of polyacrylonitrile fibers (orlon 42)
… in calculations of tenacity and initial modulus. Tensile properties were measured on a constant—rate—of—extension machine. Shrinkage of treated and untreated fibers were measured after they were boiled in water for 15 min. The glass transition temperatures (Tg) were obtained by differential …
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Roles of surface finish and hydrogen availability on the tensile properties of 1018 steel in hydrogen environments
Uniaxial tensile tests were performed on AISI 1018 steel specimens. Tests were conducted both in air and while the specimens were undergoing electrolytic hydrogen charging. Specimens with three different surface finishes were tested at various cathodic charging current densities. The tensile …
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Evaluation of Tensile Properties for Selective Laser Melted 316L Stainless Steel and the Influence of Inherent Process Features
… support the viability of the current settings, tensile material characteristics were needed. Furthermore, reliable performance of the as-printed material had to be demonstrated. Any influence on the static performance of parts in the as-printed condition inherent to the SLM manufacturing process …
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Effects of oxide film, Fe-rich phase, porosity and their interactions on tensile properties of cast Al-Si-Mg alloys
Since mechanical properties of cast Al-Si-Mg alloys are directly influenced by microstructural defects, understanding the characteristics of these defects and any interactions between them is important for improving the properties of castings. This research studied the effect of the most common …
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Material Property Modeling of Ground Tire - Recycled Polymer - Natural Fiber Composite
… reclaimed polymer offer advantages of better tensile properties, better toughness, low energy requirement for molding, more economical, and provides an opportunity to add value to disposed material. Thermoplastic material studied herein is primarily recycled linear low-density polyethylene …
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