(a) Describe the steps in conventional powder metallurgy shaping process. What are the advantages and disadvantages...

(a) Describe the steps in conventional powder metallurgy shaping process. What are the advantages and disadvantages of this process? (b) How does the fabrication of thermoplastic polymer differ from the processing of thermosetting polymer? (c) What is the heat affected zone in welding? Why preheating is sometime performed in welding?

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samet mamat answered 2 years ago

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