Please write 50 words about: Generally, aircraft materials are required to be low density, excellent heat resistance and

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Please write 50 words about:
Generally, aircraft materials are required to be low density,excellent heat resistance and highstrength materials. Aluminium alloys are one of the exampleaircraft materials that are widelyused as the aircraft body structure. The Al7075 are the mainmaterials for the aircraft wingscomponent having a density of 2.81 g/cm3 with ultimate tensilestrength (UTS) up to 572MPa.These mechanical properties are the main factors that Al7075 is tobe selected for the aircraftmaterials.Give different alloys (except aluminium alloys) that are also usedas aircraft materials. Discuss4(FOUR) of their mechanical properties such as Young modulus, yieldstrength, density,thermal conductivity, hardness, etc. Describe how this alloybehaviour on the plasticdeformation that would be occurring if the force or impact exceededthe specific value ofrelated mechanical properties. Finally, by comparing the pureelement of the majorcomponent of this alloy, describe how the alloy’s element promotesthe dislocation density.