9. MECHANICAL BEHAVIOUR I AND II_4 - MME 2501 MME 2503 ENG...

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MME 2501 & MME 2503 ENG. MATERIALS & MATERIALS SC. AND ENG. DR ZAHURIN HALIM
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OBJECTIVES OF THE STUDY After studying this chapter you must be able to: Define orally and in written of engineering stress and engineering strain. Able to evaluate and analyze engineering stress- strain diagram and determining a) the modulus of elasticity b) the yield strength c) the tensile strength and d) estimate the percent elongation Calculate and solve the ductility of a metal in terms of both elongation and percent reduction of a metal that is loaded in tension to fracture. 2
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OBJECTIVES OF THE STUDY (II) After studying this chapter you must be able to: Able to describe orally and in written of the changes in specimen profile to the point of fracture for the tensile deformation of a ductile and brittle cylinder. Define orally and in written of what is meant by hardness and able to differentiate it with strength of materials. Able to name the two most common hardness testing technique and to note differences between them. 3
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