Explain why thermal conductivity and thermal expansion have a major influence on the cracking of workpieces, tools, or dies during thermal cycling. (5 points)

Different types of steels contain different elements that alter the characteristics of the steel. for each of the following elements, explain what the element does when alloyed with steel.

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false