Different tool shoulder surfaces had been preliminary tested, namely a flat a single and two conical ones with 5° and 10°, respectively (Fig. 1b). The die chamber has an inner diameter of fifteen mm deciding an extrusion ratio of 12.25. A thermocouple was embedded at the bottom center of your extrusion chamber for the numerical model validation
In the literature Examination documented earlier mentioned, it occurs that every one the scientific studies focus on the production of “wires” or rods with dimeter in the choice of 2.five–6 mm. Although these geometries is often helpful to exhibit the method feasibility and to focus on extra conveniently the complicated procedure mechanics a
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