What role does â€œflashâ€ play in impression die forging?
Why is it problematic for grain boundaries to be exposed on the surface of a forging? And how can this be prevented?
Read about these three defects encountered in rolling: 1) wavy edges, 2) zipper cracks and edge cracks, and 3) alligatoring. Briefly provide a description of each defect, outline the cause, and propose strategies to minimize these defects in a rolling process.
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