Quote:
Originally Posted by Xist
I had read that 3d-printed metal wasn't as strong as forged, people responded "That is stupid, metal is metal," but everything I see now says that 3d printed metal is stronger.
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A forged metal part can actually be weaker when it's not properly treated, as the forging process may disturb the molecular structure of the alloy. No wonder the forged steel crankshaft of the 4-bearing Chevy Stovebolt Six was more prone to break than the cast-iron crankshaft of the 7-bearing engine which replaced it.