STUPIDSID
1(a)
High speed steels
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1(b)
Creep resistant materials
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1(c)
Dislocation jog
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1(d)
Allotropic forms of iron
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2(a)
What is recrystalization annealing?Discuss the stages and factor affecting on it?
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2(b)
Define fracture.Explain brittle,ductile,creep and fatigue fracture.
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3(a)
Draw Fe-Fe3 C equilibrium diagram showing important transformation Discuss Eutectoid transformation in details.
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3(b)
Explain griffith theroy pf brittle fracture.What is ductile-brittle transition?
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4(a)
Explain how to determine from the equilibrium diagram,the composition of two phase that are in equilibrium at any temperature.
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4(b)
What is peritectic reaction?Explain with example.
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5(a)
Define a space lattice.What are its important characteristic?
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5(b)
Define:ferrite,cenentile,austenile,pearlite,martensite and bainite.what are their general characteristic?How they obtained?
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6(a)
What are the chemical propertise of a materials?How are they measured?
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6(b)
What is an S-N curve?What useful information is obtained from such curve?
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7(a)
What are the different methods of diffusion coating?Discuss in the details with its principle & application.
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7(b)
How would you improve the machinability of a low carbon,medium carbon and high carbon steel by heat treatment?
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