Die land

Microstructural changes with selected extrusion variables in plastic deformation of complex-shaped lead alloy

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Microstructural changes with selected extrusion variables in plastic deformation of complex-shaped lead alloy Joseph S. Ajiboye, Babatunde Idirisu Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria. DOI: https://doi.org/10.7494/cmms.2009.2.0237 Abstract: This paper investigates the effects of changing die land length and web to flange ratio on the pressure and surface structures of cold plastic deformation … Read more

Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes

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Three-dimensional upper bound analyses for extrusion from square billets through complex die-openings’ shapes Joseph S. Ajiboye Department of Mechanical Engineering, University of Lagos, Lagos, Nigeria;,present address: KAIST Valufacture Institute of Mechanical Engineering, School of Mechanical,,Aerospace & Systems Engineering, Korea Advanced Institute of Science and Technology,Daejeon 305-701, Korea DOI: https://doi.org/10.7494/cmms.2008.4.0259 Abstract: A numerical model based on … Read more