(Solved): (a) Explain the terms Ferrite, Pearlite, Cementite, Austenite, Bainite and Martensite, Include in y ...

(a) Explain the terms Ferrite, Pearlite, Cementite, Austenite, Bainite and Martensite, Include in your answer the composition, structure, and properties. ( 8 marks) (b) Explain with the aid of illustrated sketches how you would form a component containing: (i) \( 100 \% \) Bainite, (ii) \( 100 \% \) Martensite, and (2 marks) (iii) \( 25 \% \) Ferrite, \( 25 \% \) Bainite and \( 50 \% \) Martensite. (2 mariss) (4 marks) (c) For maximum corrosion prevention which of the above three options in (b) from (i), (ii) and (iii) would you choose and not choose. Explain your choice with illustrated sketches. (4 marks) (d) How would you make a ferrous based material with the maximum depth of hardness or hardenability? In your answer include illustrated sketches. (5 marks) (25 marks)