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Microstructure and Phase Analysis of 3D-Printed Components Using Bronze Metal Filament

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Abstract

Typical metal 3D printing processes with powders require either a laser or electron beam as the heating source. In this work, an alternative non-expensive metal 3D printing process based on the fused deposition modeling process using metal filled filament is studied. Using bronze filament as a feedstock, the microstructures, phases, compositions of the filament, as-printed, and sintered specimens are analyzed. The 3D printing process basically does not modify the morphology and phases of the filament. Sintering temperature below 832 °C is recommended. Above 832 °C, there are substantial oxidation reactions leading to the formation of copper oxide and cassiterite shell structure around the bronze core. The mechanical properties of the 3D-printed sample are measured using the three-point bending test. The measured flexural strength is 27.9 MPa, and the modulus of elasticity is 1.2 GPa. This study provides important information for applying the bronze filament in future engineering applications.

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Acknowledgments

This work is partially supported by “Human Resources Program in Energy Technology (No. 20194030202450)”, “Power Generation & Electricity Delivery grant (No. 20181110100310)” of the Korea Institute of Energy Technology Evaluation and Planning (KETEP), and the National Natural Science Foundation of China (No. 51702145).

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Authors and Affiliations

  1. School of Materials and Metallurgical Engineering, University of Science and Technology of Liaoning, Anshan, China

    Zhe Lu & Jing Zhang

  2. Department of Mechanical and Energy Engineering, Indiana University - Purdue University Indianapolis, Indianapolis, USA

    Oyedotun Isaac Ayeni & Xuehui Yang

  3. School of Materials Science and Engineering, Changwon National University, Changwon, Republic of Korea

    Hye-Yeong Park & Yeon-Gil Jung

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  1. Zhe Lu
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  2. Oyedotun Isaac Ayeni
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  3. Xuehui Yang
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  4. Hye-Yeong Park
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  5. Yeon-Gil Jung
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  6. Jing Zhang
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Correspondence to Zhe Lu or Jing Zhang.

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Lu, Z., Ayeni, O.I., Yang, X. et al. Microstructure and Phase Analysis of 3D-Printed Components Using Bronze Metal Filament. J. of Materi Eng and Perform 29, 1650–1656 (2020). https://doi.org/10.1007/s11665-020-04697-x

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  • DOI: https://doi.org/10.1007/s11665-020-04697-x

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