a.If you see a white, powdery deposit on a surface, what does it mean to the...

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Mechanical Engineering

a.If you see a white, powdery deposit on a surface, what does itmean to the component?
b.Why does intergranular corrosion reduce the strength of acomponent and does this
affect airworthiness of an aircraft?
c.What are the problems to detect small, sub-laminar tears on alarge aircraft?

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3.9 Ratings (485 Votes)

a Aircraft structures are mostly made up of Aluminum or titanium materials owing to their less density that enhances fuel efficiency When aluminium corrodes unlike steel structures it usually first shows as a whitish or grey dulling of the aluminium surface So basically this is a corrosion attack on the structure This corrosion may spread uniformly entire the exposed surface or limit to a region like stress corrosion cracking In case of steelsIt is a See Answer

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