Suppose à expand. You have increased the temperature of the metal bar by 10 °C. What will be the amount of residual stress that can be developed for such heating? You can use the data given below (there may/may not be more data than needed for your calculation). Co-efficient of thermal expansion 25%, Young's modulus = 200 GPa, Density = 12.0 x 106 / K, Ultimate tensile strength 300 MPa, Total elongation= 7850 kg/ m3, Heating rate = 0.5 °C/ turoc have been tempered under different time-

Suppose à expand. You have increased the temperature of the metal bar by 10 °C. What will be the amount of residual stress that can be developed for such heating? You can use the data given below (there may/may not be more data than needed for your calculation). Co-efficient of thermal expansion 25%, Young's modulus = 200 GPa, Density = 12.0 x 106 / K, Ultimate tensile strength 300 MPa, Total elongation= 7850 kg/ m3, Heating rate = 0.5 °C/ turoc have been tempered under different time-

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