4) You were on the team that developed and launched Moldavia’s first satellite (

Question

4) You were on the team that developed and launched Moldavia’s first satellite (a low earth orbit, spy satellite).   After a few months of perfect performance and great, high resolution of the imperialistic Transylvania despots cavorting around to our west, the satellite failed. Our friends in Russian brought the satellite back for us when they returned from the Glorious International Space Station. All of the polyethylene electrical insulation had disappeared!!! Was it sabotage? Or something else (yes, it was something else)? Explain what happened and how you could avoid this problem in future LEO satellites ?

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Answer the question in clear words and in very good description!!! Please type your answer. Thanks

Explanation / Answer

High Density Polyethylene

Sensitive to thick sections in your part. It may have voids, bubbles or sink. Poor dimensional accuracy. Low mechanical and thermal properties. Price is low to very low.

High thermal expansion

Poor weathering resistance

Subject to stress cracking

Difficult to bond

Flammable

Poor temperature capability

Low strength/stiffness

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