HW4

Solution
Ans 4 B .1 (i) However, it is impossible to have a 100% defect free pure metal still to get a 100% pure metal we required to cool the liquid phase at infinitely slow rate to allow all the atoms, ions, or molecules to locate their proper positions.
Ans 4 B.1 (ii) no because maintaining such a slow rate is extremely difficult
Ans 4 B.1 (iii) Yes, metal defects are desirable as defects affects the mechanical behavior of materials and controls the...