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1) We would like to produce a transparent canopy for an aircraft. if we were to

ID: 2993381 • Letter: 1

Question

1) We would like to produce a transparent canopy for an aircraft. if we were to use a traditional window glass canopy, rocks or birds might cause it to shatter. Design a material that would minimize damage or at least keep the canopy from shattering into pieces.


2) Coiled springs ought to be very strong and stiff. Silicon nitride (Si3N4) is a strong stiff material. Would you select this material for a spring? Explain.


3) Temperature indicators are sometimes produced from a coil metal strip that uncoils a specific amount when the temperature increases. How does this work; from what kind of material would the indicator be made; and what are the important properties that the material in the indicator must possess?

Explanation / Answer

1

Solution:We might sandwich a thin sheet of a transparent polymer between two layers of the glass. This approach, used for windshields of automobiles, will prevent the