Composite material

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    M1 - Justify the selection of suitable materials and techniques for use in the construction of substructures for low-rise domestic and commercial buildings, for two different tutor-specified scenarios Concrete is used for foundations as when compressed, concrete can suffer extremely high compressive stresses before any type of cracking of failure occurs which makes it an ideal substance for supporting large masses such as buildings. Concrete will also be less prone to movement. Also concrete…

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    These are similar to mineral component that present in bones and hard tissues (Ilie et al., 2016). The combination of ceramic based materials - hydroxyapatite and natural polymer as sodium alginate will provide strength, stiffness and fracture toughness to bone (S. Lala et al., 2016). The composite materials have been used in load bearing application such as filler and bone defect. Alginate (Alg) is a natural polymer which synthesized from brown algae. Alginate is more…

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    trapezoidal wave with a small radius and a saw-tooth-form, as shown in Fig. 7 (a). Fig. 7 (b) shows the chip shapes formed during the milling of the MMCs. The composite chips had large radii, and were semi-circular helical type and saw-toothed. The SiC foam reinforcement in the Al matrix diminished the ductility and converted the workpiece material for generating saw-toothed and segmented-type…

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    Koutsomichalis et al (2008) discussed that having high hardness and good adhesion with the substrate the sprayed coating exhibited satisfactory wear resistance. Tungsten carbide is an advanced ceramic material combining a unique set of properties such as high hardness, high melting point, wear resistance, good thermal shock resistance, thermal conductivity and good resistance against oxidation. They can be applied as coatings by thermal spraying processes such as plasma-spraying, high-velocity…

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    usually could bid my finished goods fast and get rid of them right away, since I negotiated a short-term delivery. I produced ahead using medium high quality, like fifty quality cotton, when my reputation was low. I produced ahead using high quality material when I had a high reputation and was planning to take bids from high reputation farms. In one game, I had five hundred finished pink nylon hoodies and I could bid many contracts for $75and $100 each and have them delivered in three weeks…

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    building is going to take place. The subsoil has to be able to carry these loads. The primary loads are natural loads, forces due to gravity. That are as follows; Dead load This is the permanent elements of the structure, a consistent load as the materials of the house will always be there. The architect can calculate this load. The objects involved are; • Floors • Walls • Ceilings • Slabs • Columns etc Imposed or live load This is the load of all the people in the building, for example in a…

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    In this work we have prepared ceramic-polybenzoxazine composites based on poly(P-ddm) as matrix reinforced by 0, 3, 5, 7, 10, 15, and 20 wt.% of GX-540 silane-treated nano-Cr2O3 filler via a solution blending method in THF. These nanocomposites are used as new organic coating materials. The effect Cr2O3 nanofillers inclusion on the viscoelastic properties of poly(P-ddm) is studied using dynamic mechanical analysis (DMA). Figure 76 illustrates the change in the storage modulus at 50oC and…

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    Corrosion Cracking Stress Corrosion Cracking (SCC) is the growth of cracks with a under the combined effects of a static stress and a specific chemical environment. All SCC failures involve a macroscopic brittle performance, and the ductility of the material is reduced. It is universally acknowledged that there is no single mechanism for stress corrosion cracking (Ford, 1984). Stress corrosion spectrum (Parkins, 1972) demonstrates the significant alloy-environment the mechanism…

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    magnesium as the major alloying elements constitute a group of non heat treatable alloys (AA5XXX series) used for structural materials in automotive, aircraft and marine applications. Welding of this alloy using conventional technique leads to vaporization of Magnesium, which causes compositional changes in the weld seam [9]. Hence, to regain the Mg content (from AA5XXX series materials) FSW may be the feasible technique to overcome this…

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    Analysis of “Knowing What You Believe” by Quassim Cassam Introduction: In the article “Knowing What You Believe” by Quassim Cassam talks about how the transparency account doesn’t support epistemically immediate. He defends the views about that the belief of P is epistemically inferential and therefore not immediate, which he bases it the transparency. Cassam starts by defining the notion of transparency and gives three questions in which he plans to answer. Then he continues on to talk about…

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