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Q5: Suggest a heat treatment method required for removing internal stresses present on the welded component...

Q5: Suggest a heat treatment method required for removing internal stresses present on the welded component and Explain the heat treatment process to relieve the accumulated internal stress. (5 Marks)

engineering   Mechanical-Engineering   
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Stress relieving by heat treatment is carried out on metal welded products in order to minimise residual stresses in the structure thereby reducing the risk of dimensional changes during further manufacturing or final use of the component.

Post weld heat treatment  is a controlled process in which a material that has been welded is reheated to a temperature below its lower critical transformation temperature, and then it is held at that temperature for a specified amount of time.so for stress relieving we use post heat treatment process.

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