Question

1. What is difference between plain carbon steel and cast iron in terms of composition and toughness? Illustrate the difference with the aid of an Fe-FesC eqilibrium phase diagram and stress strain diagram. 2. Perform the literature search and determine the composition and at least one application of the following ferrous alloys a. AISI4140 steel b. AISI 1045 steel с. А36 d. ASTM A312 steel e. ASTM 516 Grades 70 steel f D2 steel g. O1 steel h. AISI304 stainless steel 3. Aluminum and titanium alloys are often used for aerospace applications; what properties make them suitable candidates for these applications 4. A material is to be chosen for a lathe machine turning tool; what material properties must be considered for this application. 5. Material for an automotive body is to be selected; which material would you choose to enhance fuel efficiency of the automobile. Would you choose a material having a higher or lower specific strength and specific modulus? Explain why? 6. Which of the following materials would you choose for refrigerator body, and why? List the properties that make your choice suitable for this application. a. AISI 1020 steel b. AISI 304 stainless steel C. 6061 Aluminum

Answer 1

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