In: Mechanical Engineering
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 the material? What is the hardness values for the material after different heat treatments. Put some microstructures and discuss the hardness values differences (at least 3 different heat treatment) (20P)
4.What is the typical UTS, yield strenght and strain values of the material for 3 different heat treatments (any). Put some microstructures 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 3 different heat treatments (any). Put some microstructures and discuss the impact energy differences. (20P)