Task 1:

One of the major aspect of material science involves the investigation of material structure. The structure of materials has a profound influence on many properties of materials.

Your Task

1 Both Diamond graphics are made from carbon. Flowerer diamond n considered the hardest material while graphite is brink and slippery. Explain this difference from atoms bonding view point.

2 Inconel is a corrosion resistant tough Nickel chromium alloy because It contains large amounts of Nickel and chromium. How does Nickel increases the toughie's of the material and chromium protect the metal horn corrosion?

3 Industries that manufacture racing can prefers nickel based alloys for engine components andiron based alloys for structural pat. Justify This statement RO Marks. 700 words)

Task 2:

Material engineers short be conversant of various materials their properties, manufacturing process involved environmental issues monetary Issues and more.

Your Task

I. Witch chromium plating is more eco-friendly- trivalent or hexavalent? Justify your answer in the light of environment issues caused. 110 Marks. 400 words I

2 Explain why tempering cycle n 'cliental, required in the heat treatment of Nth tenth carbon steel and salt are the consequences if tempering cycle is not carried out?

3 What are the essential criteria for selecting materials required for the following operating functions?

(a) Turbine blades Such endures vibration' and wine conditions

(b) Domestic utensils used in kitchen

(C) Aircraft body to go undetected n radars

(d) Dental braces used in medical hid

(e) Rocket Chanters of space shutters'

Task 3:

Ability to write an experimental report in a standard format a key competency requirement of a Material engineer.