By performing the void closure process in the forging and sizing process using FDFD alone, the forging time was reduced by approximately 41% compared to traditional methods without compromising the internal quality.
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The main criteria for choosing the design of the device and the forging technology are: high quality of the metal and high technological efficiency of the process, reduction of the forging production cycle and high precision of the resulting forgings.
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A study of void closure in hot-formed AISI 4145 steel bars by forging in a 3000-ton hydraulic press using a four-die forging device and its comparison with the traditional two-die forging process.
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