Sökning: "porosity"
Visar resultat 21 - 25 av 433 avhandlingar innehållade ordet porosity.
21. Mechanical properties of excavated sulfur rich soil stabilized with cement - A laboratory and field experiment
Sammanfattning : Sulfide soils are silty soils, often found in saturated conditions, under the groundwater level. Characteristics of these soils, including particle size distribution and consistency limits along with chemical composition and environmental properties, cause excavation to be necessary for construction purposes. LÄS MER
22. On Microstructural Analysis of Porous Media Existing in Fuel Cells Using the Lattice Boltzmann Method
Sammanfattning : This Licentiate thesis aims to gain understanding related to the fluid behavior in porous media existent in fuel cells (FCs) at microscale. In order to achieve this; the widely used methodology for solving problems in porous media has been applied, the Lattice Boltzmann Method (LBM). LÄS MER
23. Surface and porous structure of pigment coatings : Interactions with flexographic ink and effects on print quality
Sammanfattning : Each day, we are confronted with a large amount of more or less important information that we have to consider, and even in our digital society we need paper for communication, documentation and education. Much of the paper we use or are confronted by in our daily life, such as newspapers, books and packages, contains printed images or texts, and the appearance of both the print and the supporting surface is important. LÄS MER
24. Mechanical properties of semi-solid Al castings : Role of stirring
Sammanfattning : Aluminum castings have been widely used in the automotive industry to reduce the vehicle's weight. However, the existence of casting defects significantly limits its application. The most common and detrimental defects in aluminum castings are porosity and oxides. LÄS MER
25. The synergistic role of hierarchical macro- and mesoporous implant surface and microscopic view of enhanced osseointegration
Sammanfattning : The trend for designing of a titanium implant explored using different chemical compositions and crystallinity materials until people realized that the implant surface character was another important factor affecting the rate and extent of osseointegartion. Titanium received a macroporous titania surface layer by anodization, which contains open pores with average pore diameter around 5μm. LÄS MER