In the paper, a comparison of the related costs of using the five different aircraft materials is shown. When using CFRP, there are also savings of assembling manpower. There will also be savings due to the reduced weight of using composite materials like CFRP and Kevlar.Maintenance cost of a material is determined by several variables. These include the density, ultimate tensile strength, tensile yield strength, durability (fatigue) and fracture toughness properties listed. In a comparison of the related costs of using the five different aircraft materials is shown, the properties of the five materials studied here are displayed. The aluminum alloys have properties which are specific to the number of the series they belong to. The alloy series is categorized by the metal that is the major alloying element. For instance, the 5xxx series aluminum alloys contain magnesium as the major alloying element. The 5xxx series alloys have moderate to high strength and good corrosion resistance. They are not heated treatable. Mechanical properties and strength are less desirable than in the 2xxx and 7xxx series. The 7xxx series aluminum alloys have zinc as the major alloying element. These alloys have the greatest strength of the heat-treated alloys. The 7xxx series alloys also have good heat-treating qualities. In a paper, the particular conditions and tempers used to obtain the material property values are as follows: For aluminum 7475, the T61 temper was used. For aluminum 5052, the H34 condition properties were used. For aluminum 2124, used T351 condition/temper. Kevlar K49 used for density, shear strength and modulus, and yield strength. For density and ultimate tensile strength, used Dupont Kevlar 49 Aramid fiber. For CFRP, data is for Type P-VSB-32 (Union Carbide) carbon fibers. Aluminum alloy 7475 has lower impurity limits than 7075. Aluminum 7475 is used for aircraft structures because of its good fracture toughness.
This paper compares the cost of these five most commonly used materials for a business jet that include the aluminum alloys 7475, 2124, and 5052 as well as the composite materials carbon fibre reinforced plastics (CFRPs) and Kevlar. …
Different materials depending on the type of application used have different densities. For lightweight structures aluminium is used which has a density of 2700kg/m^3. For heavier structures requiring a more robust construction, carbon steels of density 7850kg/m^3 is used.
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In business, environmental analysis is an appreciation of an organizations activities vis-à-vis its environment (Lin& Lee 2006). Such analysis has become imperatively necessary in the light of increasing competition as a present, subsequent operations and strategies direction will be dependent on the result (Lin& Lee 2006).
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Lack of division of passengers into
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2 pages (500 words)Essay
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