1- The effect of metals point on their modulus of elasticity.
2- The effect of heating temperatures on the modulus of elasticity of materials.
Give the reason for the following statements :
1- Grey cast iron used in construction of heavy duty machines
2-White cast iron very hard and brittle
3- The mechanical properties of ductile iron and malleable iron approximately the same
4- Ductile iron with pearlite matrix stronger than ductile iron with ferrite matrix.
5- Compact graphite irons (CGIs) is used for manufacturing exhaust manifolds.
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