This study demonstrates the effects of sintering temperature and forging parameters in 7075 aluminum alloy, suggesting improved joint properties.
The conventional forging process faces challenges in manufacturing complex aerospace components using 7075 aluminum alloy. This study investigates the effects of sintering temperatures on the properties of 7075 aluminum alloy preforms and optimizes multi-directional forging parameters through finite element simulations and experimental validation. The optimized powder forging parameters include a sintering temperature of 580°C (heating rate: 50 °C/min, pressure: 40 MPa, holding time: 4 h) and forging conditions of 420 °C with a punch speed of 8 mm/s. Post-T73 heat treatment significantly enhanced the density (99.87%), hardness (150 HB), and tensile strength (582.3 MPa) of powder-forged joints, outperforming conventional bar-forged counterparts under identical conditions.
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Hu et al. (2025) studied this question.
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