用于粉末床增材制造的铬镍铁合金粉末特征研究

工程（英文） ›› 2017, Vol. 3 ›› Issue (5) : 695-700.

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工程（英文） ›› 2017, Vol. 3 ›› Issue (5) : 695-700. DOI: 10.1016/J.ENG.2017.05.012
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用于粉末床增材制造的铬镍铁合金粉末特征研究

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Characteristics of Inconel Powders for Powder-Bed Additive Manufacturing

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Abstract

In this study, the flow characteristics and behaviors of virgin and recycled Inconel powder for powder-bed additive manufacturing (AM) were studied using different powder characterization techniques. The results revealed that the particle size distribution (PSD) for the selective laser melting (SLM) process is typically in the range from 15 μm to 63 μm. The flow rate of virgin Inconel powder is around 28 s·(50 g)-1. In addition, the packing density was found to be 60%. The rheological test results indicate that the virgin powder has reasonably good flowability compared with the recycled powder. The inter-relation between the powder characteristics is discussed herein. A propeller was successfully printed using the powder. The results suggest that Inconel powder is suitable for AM and can be a good reference for researchers who attempt to produce AM powders.

Keywords

Additive manufacturing / Powder characteristics / Gas atomization / Microstructure / Inconel

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. . Engineering. 2017, 3(5): 695-700 https://doi.org/10.1016/J.ENG.2017.05.012

参考文献

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Acknowledgements

The authors acknowledge the financial support provided by A*STAR Additive Manufacturing Centre (AMC) Initiative: Work package 1—High temperature materials development for 3D additive manufacturing (142680088).

Compliance with ethics guidelines

Quy Bau Nguyen, Mui Ling Sharon Nai, Zhiguang Zhu, Chen-Nan Sun, Jun Wei, and Wei Zhou declare that they have no conflict of interest or financial conflicts to disclose.

版权

2017 2017 THE AUTHORS. Published by Elsevier LTD on behalf of the Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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