1040 steel
1.What is the composition of the material? (10P)
2.What is the typical applications of the material? (10P)
3.What is the most common hardness measurement method for thematerial? What is the hardness values for the material afterdifferent heat treatments. Put some microstructures and discuss thehardness values differences (at least 3 different heat treatment)(20P)
4.What is the typical UTS, yield strenght and strain values ofthe material for 3 different heat treatments (any). Put somemicrostructures and discuss the mechanical properties differences(at least 3 different heat treatment). (20P)
5.What is the typical impact energy value of the material for 3different heat treatments (any). Put some microstructures anddiscuss the impact energy differences. (20P)
