Experimentation reveals optimal conditions for printing speed and layer height in 6061 aluminum alloy, indicating improvements in compressive strength.
Metal extrusion printing is a metal additive manufacturing technology based on extrusion molding. This study is based on this method for forming and printing 6061 aluminum alloy composite slurry. Analyzed the extrusion effect of different metal contents. Through multiple experiments, found the optimal extrusion speed, printing speed, and layer height. On this basis, the role of sintering conditions (temperature, rate, and duration) in influencing mechanical properties was further studied. After optimizing the sintering process, the compressive strength of the sintered part obtained was reaching 31.95 MPa, approximately 5.55 times that of before sintering, proving the effectiveness of the process optimization, achieving optimization of the printing and forming process parameters of 6061 aluminum alloy.
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Chen et al. (2025) studied this question.
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