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Engineering    2017, Vol. 3 Issue (5) : 695 -700     https://doi.org/10.1016/J.ENG.2017.05.012
Research |
Characteristics of Inconel Powders for Powder-Bed Additive Manufacturing
Quy Bau Nguyen1(),Mui Ling Sharon Nai1(),Zhiguang Zhu1,Chen-Nan Sun1,Jun Wei1(),Wei Zhou2
1. Singapore Institute of Manufacturing Technology, Singapore 637662, Singapore
2. School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore
Abstract
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     
Corresponding Authors: Quy Bau Nguyen,Mui Ling Sharon Nai,Jun Wei   
Just Accepted Date: 21 September 2017   Online First Date: 31 October 2017    Issue Date: 08 November 2017
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Quy Bau Nguyen
Mui Ling Sharon Nai
Zhiguang Zhu
Chen-Nan Sun
Jun Wei
Wei Zhou
Cite this article:   
Quy Bau Nguyen,Mui Ling Sharon Nai,Zhiguang Zhu, et al. Characteristics of Inconel Powders for Powder-Bed Additive Manufacturing[J]. Engineering, 2017, 3(5): 695 -700 .
URL:  
http://engineering.org.cn/EN/10.1016/J.ENG.2017.05.012     OR     http://engineering.org.cn/EN/Y2017/V3/I5/695
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