The equilibrium melting point of pure nickel of zero curvature is 1726°k. by how much will the temperature be lowered if the nickel is a sphere 1 cm radius? 1 ,un radius? 0.01 um radius? deltah = 4,320 cal/mol, v = 6.6 cm3 /mol, a= 255 erg/cm2 (1 cal= 4.184 x 107 erg).

Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables

Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.