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Influence of Laser Speed and Power on the Magnetic Properties of Fe-50 Wt% Ni Alloy Manufactured by LPBF

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Sustainable Design and Manufacturing 2023 (SDM 2023)

Part of the book series: Smart Innovation, Systems and Technologies ((SIST,volume 377))

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Abstract

Soft magnetic materials are used in a wide range of devices, including mobile phones, computers, motors, and inductors. Among the soft magnets, the Fe-50 wt% Ni alloy exhibits superior properties such as high magnetic saturation and permeability with low coercivity, when manufactured by conventional methods such as injection moulding. However, until now, it is not clear if modern manufacturing methods such as those based on laser powder bed fusion can affect the magnetic response. This work aims to determine experimentally the influence of laser speed and power through additive manufacture and subsequent magnetic characterization of the manufactured samples. These measurements were compared with those of a commercial sample obtained via conventional fabrication methods. The results show that it is possible to achieve magnetic saturation similar to the commercial samples, with both values of ~1.7 T and acceptable permeability of 66 A·m−1 compared to the commercial ones 159 A·m−1 if samples were fabricated with 190 W laser power and 300 m·s−1 laser speed.

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Acknowledgements

Carolina Guerra would like to thank ANID postdoctoral N°3210432 for funding the project.

Author information

Authors and Affiliations

  1. Escuela de Ingeniería, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860, Macul, Santiago, Chile

    C. Guerra, J. Ramos-Grez & I. La Fe

  2. Cardiff School of Engineering, The Parade, Cardiff, CF24 3AA, UK

    Rossi Setchi, P. Anderson & M. Biyiklioglu

Authors
  1. C. Guerra
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  2. J. Ramos-Grez
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  3. Rossi Setchi
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  4. P. Anderson
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  5. M. Biyiklioglu
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  6. I. La Fe
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Corresponding author

Correspondence to C. Guerra .

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Editors and Affiliations

  1. Karlsruhe Institute of Technology, Karlsruhe, Germany

    Steffen G. Scholz

  2. KES International Research, Shoreham-by-sea, UK

    Robert J. Howlett

  3. Cardiff University, Cardiff, UK

    Rossi Setchi

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© 2024 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Guerra, C., Ramos-Grez, J., Setchi, R., Anderson, P., Biyiklioglu, M., La Fe, I. (2024). Influence of Laser Speed and Power on the Magnetic Properties of Fe-50 Wt% Ni Alloy Manufactured by LPBF. In: Scholz, S.G., Howlett, R.J., Setchi, R. (eds) Sustainable Design and Manufacturing 2023. SDM 2023. Smart Innovation, Systems and Technologies, vol 377. Springer, Singapore. https://doi.org/10.1007/978-981-99-8159-5_15

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  • DOI: https://doi.org/10.1007/978-981-99-8159-5_15

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-99-8158-8

  • Online ISBN: 978-981-99-8159-5

  • eBook Packages: EngineeringEngineering (R0)

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