The Mechanics of Metal Extrusion |
Contents
BASIC PREMISES FOR ANALYSIS | 3 |
ANALYSIS OF PLANESTRAIN STEADY EXTRUSION | 12 |
12 | 64 |
Copyright | |
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Common terms and phrases
aluminium analysis angle applied assumed assumption axi-symmetric axis billet bottom calculated centre coefficient compared comparison components compression constant container wall corresponding cracking curves dead deformation derived determined direction discontinuity discussion distribution effect equal equation experimental experiments expressed extrusion pressure face flow forward friction geometry given gives hodograph holes idealized inclusion increase indicates Johnson known Kudo lead length lubricated material maximum mean measured metal method MICHIGAN observed obtained occurs opposed orifice piercing plane plane-strain plastic present problems punch reduction refer region relation respectively rigid rough rough container seen shape shear shown in Fig shows side similar single-hole skin slip-line field slip-line solutions slug smooth container solutions speed square steady extrusion straight strain strain-rate surface symmetric technique temperature theory thickness Thomsen tion tool upper bound velocity field yield stress zone