Han Solo was frozen in carbonite by Darth Vader at the end of Empire Strikes Bac

Question

Han Solo was frozen in carbonite by Darth Vader at the end of Empire Strikes Back.

a. Given that carbonite is a (fictitious) metal alloyed with carbon, where will the carbon atoms likely reside in the alloy?

b. Assuming that there is a brittle-ductile transition temperature, predict the crystal structure of the host metal in carbonite. c. Immediately after freezing, the critical stress for failure is 25 MPa due to the largest surface crack being 8 mm long. Later, hanging in Jabba’s Audience Chamber (in a desert), the critical stress for failure has increased to 120 MPa, even though the largest crack has increased to 9 mm. Calculate the ratio of the specific surface energy s to the plastic deformation energy p.

Explanation / Answer

Part A;

due to very smaller size Carbon always resides in the void , or in the cavity between the lattice formed by the atoms

Part B;

The brittle ductile transition is most popular in BCC structure

so the structure will be more likely to Body Centered Cubic

Part C:

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