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Critical geometric parameters of an Equal Channel Angular Pressing (ECAP) die suitable to plate processing were\udoptimized by making use of the DEFORM™ software. Following the simulation a die was manufactured and employed\udin the processing of 7 mm thick Al AA 1050 plates. Software output included the pressing forces and the equivalent\uddeformation distribution within the plates, after one and four ECAP passes. Calculated pressing forces against the\udpunch displacement were compared with the actual forces, whilst the deformation distribution is validated by Vickers\udmicrohardness measurements. From tensile tests and microstructural observation of the processed plates the die\udperformance was found quite satisfactory

DESENVOLVIMENTO POR SIMULAÇÃO COMPUTACIONAL E ANÁLISE DO DESEMPENHO REAL DE UMA MATRIZ PARA EXTRUSÃO EM CANAL ANGULAR