Effects of the Delivery Tube Diameter on the Qualities of Cu-9.7Sn-0.2P Alloy Powder Produced by Gas Atomization

Abstract:

Article Preview

Gas atomization is one of the most cost-effective methods for preparing spherical powders. The Cu-9.7Sn-0.2P alloy powder for 3D printing was prepared by a self-developed double nozzle gas atomization technique with different deliver tube diameters, and the particle size and shape of the powder were characterized. Results show that the powder particles are mostly nearly spherical, mixed with a few irregular powders. The average O. Bluntness of the powders are 60~70%, the average Outgrowths are lower than 18%. The deliver tube diameter affects the powder characteristics directly. The increase of the diameter increases the particle size of the powder and reduces the sphericity. At the same time, the adhesion of the satellite powder decreases, the flowability becomes better and the oxygen content drop. The surface and internal structure of the powder are mainly cellular and dendritic structures.

Info:

Periodical:

Edited by:

Prof. Ya Fang Han

Pages:

3-10

Citation:

Y. W. Cheng et al., "Effects of the Delivery Tube Diameter on the Qualities of Cu-9.7Sn-0.2P Alloy Powder Produced by Gas Atomization", Materials Science Forum, Vol. 913, pp. 3-10, 2018

Online since:

February 2018

Export:

Price:

$38.00

* - Corresponding Author

[1] Inernational Astm. ASTM F3049 - Standard Guide for Characterizing Properties of Metal Powders Used for Additive Manufacturing Processes, (2014).

[2] Slotwinski J A and Garboczi E, J. 2015 JOM. 67: 538.

[3] Yin J O, Chen G, Zhao S Y, et al. Microstructural characterization and properties of Ti-28Ta at. % powders produced by plasma rotating electrode process, J. Alloys Compd. 713 (2017) 222-228.

[4] Hoeges S, Zwiren A, Schade C. Additive manufacturing using water atomized steel powders, J. Met Powder Rep, (2017).

DOI: https://doi.org/10.1016/j.mprp.2017.01.004

[5] Basak C B, Krishnan M, Kumar R, et al. Characterization and process evaluation of Ni–Ti–Fe shape memory alloy macro-spheres directly fabricated via rotating electrode process, J. Alloys Compd. 597(11) (2014) 15-20.

DOI: https://doi.org/10.1016/j.jallcom.2014.01.227

[6] Tongsri R, Yotkaew T, Krataitong R, et al. Characterization of Cu 6 Sn 5 intermetallic powders produced by water atomization and powder heat treatment, J. Mater Charact. 86(8) (2013) 167-176.

DOI: https://doi.org/10.1016/j.matchar.2013.09.013

[7] Li R, Shi Y, Wang Z, et al. Densification behavior of gas and water atomized 316L stainless steel powder during selective laser melting, J. Appl Surf Sci. 256(13) (2010) 4350-4356.

DOI: https://doi.org/10.1016/j.apsusc.2010.02.030

[8] Scudino S, Unterdörfer C, Prashanth K G, et al. Additive manufacturing of Cu–10Sn bronze, J. Mater Lett., 156 (2015) 202-204.

DOI: https://doi.org/10.1016/j.matlet.2015.05.076

[9] Nilsén F, Aaltio I, Ge Y, et al. Characterization of Gas Atomized Ni-Mn-Ga Powders, J. Materials Today Proceedings, 2(53) (2015) S879-S882.

DOI: https://doi.org/10.1016/j.matpr.2015.07.422

[10] Song C, Li K, Ke X, et al. The effect of the nucleation ability on solidified microstructures of gas-atomized Fe–6. 5 wt. %Si alloy powder, J. Powder Technology. 263(5) (2014) 31-36.

DOI: https://doi.org/10.1016/j.powtec.2014.04.074

[11] Tourret D, Reinhart G, Gandin C A, et al. Gas atomization of Al–Ni powders: Solidification modeling and neutron diffraction analysis, J. Acta Mater, 59(17) (2011) 6658-6669.

DOI: https://doi.org/10.1016/j.actamat.2011.07.023

[12] Zhou H P, Li B, Li S K, et al. Atomizing nozzle for preparing metal superfine powder[P]. China, Patent 201610884114. 6. (2016).

[13] Lubanska H. Correlation of Spray Ring Data for Gas Atomization of Liquid Metals, J. JOM, 22(2) (1970) 45-49.

DOI: https://doi.org/10.1007/bf03355938

[14] Carr R L. Evaluating the flow properties of solids, J. Chem Eng. 72 (1965) 163- 168.

[15] Li Z, Zhang G Q, Zhang Y F, et al. Structures and properties of argon-gas atomized superalloy powders, J. Chin J Nonferrous Met, 15(2) (2005) 335-338.