Cross-wedge rolling (CWR) is one of the most efficient ways to manufacture axially symmetric parts in large scale and mass production. It combines economical use of material, high performance standards, and high process efficiency for forming precision products. One restriction to CWR technology is the lack of ductility in some alloys, which can lead to a defect of axial cavity opening, known as the Mannesmann effect. Rolling of structural steels, and ductile series alloys based on copper, ...

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