Hostname: page-component-78c5997874-xbtfd Total loading time: 0 Render date: 2024-11-07T21:02:29.820Z Has data issue: false hasContentIssue false
  • English
  • Français

Selective laser melting additive manufacturing of TiC/Inconel 718 bulk-form nanocomposites: Densification, microstructure, and performance

Published online by Cambridge University Press:  15 July 2014

Qingbo Jia  and
Dongdong Gu
Qingbo Jia
Affiliation:
College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People's Republic of China; and Institute of Additive Manufacturing (3D Printing), Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People's Republic of China
Dongdong Gu*
Affiliation:
College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People's Republic of China; and Institute of Additive Manufacturing (3D Printing), Nanjing University of Aeronautics and Astronautics, 210016 Nanjing, People's Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
Get access

Abstract

Selective laser melting (SLM) process was used to prepare the nanocrystalline titanium carbide (TiC)-reinforced Inconel 718 matrix bulk-form nanocomposites in the present study. An in-depth relationship between SLM process, microstructures, properties, and metallurgical mechanisms was established. The insufficient laser energy density (η) input limited the densification response of shaped parts due to the formation of either larger-sized pore chains or interlayer micropores. The densification of SLM-processed part increased to a near-full level as the applied η was properly settled. The TiC reinforcements generally experienced successive changes from severely agglomerated in a polygon shape to the uniformly distributed with smoothened and refined structures on increasing the applied η, while the columnar dendrite matrix exhibited strong epitaxial growth characteristic concurrently. The optimally prepared fully dense part achieved a high microhardness with a mean value of 419 HV0.2, a considerably low friction coefficient of 0.29, and attendant reduced wear rate of 2.69 × 10−4 mm3/N m in dry sliding wear tests. The improved densification response, SLM-inherent nonequilibrium metallurgical mechanisms with resultant uniformly dispersed reinforcement microstructures, and elevated microhardness were believed to be responsible for the enhancement of wear performance.

Keywords

nanocompositesmetal-matrix composites (MMCs)microstructurewearselective laser melting (SLM)
Type
Articles
Information
Journal of Materials Research , Volume 29 , Issue 17: Focus Issue: The Materials Science of Additive Manufacturing , 14 September 2014 , pp. 1960 - 1969
Copyright
Copyright © Materials Research Society 2014 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Amato, K.N., Gaytan, S.M., Murr, L.E., Martinez, E., Shindo, P.W., Hernandez, J., Collins, S., and Medina, F.: Microstructures and mechanical behavior of Inconel 718 fabricated by selective laser melting. Acta Mater. 60, 2229 (2012).Google Scholar
Cam, G. and Kocak, M.: Progress in joining of advanced materials. Int. Mater. Rev. 43, 1 (1998).Google Scholar
Slama, C., Servant, C., and Cizeron, G.: Aging of the Inconel 718 alloy between 500 and 750°C. J. Mater. Res. 12, 2298 (1997).Google Scholar
Seehra, M.S. and Babu, V.S.: Low temperature magnetic transition and high temperature oxidation in Inconel alloy 718. J. Mater. Res. 11, 1133 (1996).Google Scholar
Ibrahim, I.A., Mohamed, F.A., and Lavernia, E.J.: Particulate reinforced metal matrix composite – A review. J. Mater. Sci. 26, 1137 (1991).CrossRefGoogle Scholar
Wu, X.L.: Microstructural characteristics of TiC-reinforced composite coating produced by laser syntheses. J. Mater. Res. 14, 2704 (1999).Google Scholar
Gu, D.D. and Shen, Y.F.: Microstructures and properties of direct laser sintered tungsten carbide (WC) particle reinforced Cu matrix composites with RE-Si-Fe addition: A comparative study. J. Mater. Res. 24, 3397 (2009).Google Scholar
Gu, D.D., Meiners, W., Wissenbach, K., and Poprawe, R.: Laser additive manufacturing of metallic components: Materials, processes, and mechanisms. Int. Mater. Rev. 57, 133 (2012).CrossRefGoogle Scholar
Tjong, S.C.: Novel nanoparticle-reinforced metal matrix composites with enhanced mechanical properties. Adv. Eng. Mater. 9, 639 (2007).Google Scholar
Mortensen, A. and Llorca, J.: Metal matrix composites. Annu. Rev. Mater. Res. 40, 243 (2010).Google Scholar
Kruth, J.P., Levy, G., Klocke, F., and Childs, T.H.C.: Consolidation phenomena in laser and powder-bed based layered manufacturing. CIRP Ann. Manuf. Technol. 56, 730 (2007).Google Scholar
Das, M., Balla, V.K., Basu, D., Bose, S., and Bandyopadhyay, A.: Laser processing of SiC-particle-reinforced coating on titanium. Scr. Mater. 63, 438 (2010).Google Scholar
Thijs, L., Verhaeghe, F., Craeghs, T., Humbeeck, J.V., and Kruth, J.P.: A study of the microstructural evolution during selective laser melting of Ti-6Al-4V. Acta Mater. 58, 3303 (2010).CrossRefGoogle Scholar
Zhou, Y. and Wu, G.H.: Analysis Methods in Materials Science—X-ray Diffraction and Electron Microscopy in Materials Science, 2nd ed. (Harbin Institute of Technology Press, Harbin, China, 2007).Google Scholar
Agarwala, M., Bourell, D., Beaman, J., Marcus, H., and Barlow, J.: Direct selective laser sintering of metals. Rapid Prototyping J. 1, 26 (1995).CrossRefGoogle Scholar
Zhou, X.B. and De Hosson, J.Th.M.: Reactive wetting of liquid metals on ceramic substrates. Acta Mater. 44, 421 (1996).Google Scholar
Yuan, Z.F., Ke, J.J., and Li, J.: Surface Tension of Metals and Alloys, 1st ed. (Science Press, Beijing, China, 2006).Google Scholar
Ajayan, P.M., Schadler, L.S., and Braun, P.V.: Nanocomposite Science and Technology (Wiley-VCH Verlag GmbH, Weinheim, 2003).Google Scholar
Jia, Q.B. and Gu, D.D.: Selective laser melting additive manufacturing of Inconel 718 superalloy parts: Densification, microstructure and properties. J. Alloys Compd. 585, 713 (2014).Google Scholar
Fischer, P., Romano, V., Weber, H.P., Karapatis, N.P., Boillat, E., and Glardon, R.: Sintering of commercially pure titanium powder with a Nd:YAG laser source. Acta Mater. 51, 1651 (2003).CrossRefGoogle Scholar
Vilaro, T., Colin, C., Bartout, J.D., Nazé, L., and Sennour, M.: Microstructural and mechanical approaches of the selective laser melting process applied to a nickel-base superalloy. Mater. Sci. Eng., A 534, 446 (2012).Google Scholar
Yan, H., Zhang, P.L., Yu, Z.S., Li, C.G., and Li, R.D.: Development and characterization of laser surface cladding (Ti,W)C reinforced Ni-30Cu alloy composite coating on copper. Opt. Laser Technol. 44, 1351 (2012).CrossRefGoogle Scholar
Wang, Z.M., Guan, K., Gao, M., Li, X.Y., Chen, X.F., and Zeng, X.Y.: The microstructure and mechanical properties of deposited-IN718 by selective laser melting. J. Alloys Compd. 513, 518 (2012).Google Scholar
Erukhimovitch, V. and Baram, J.: Crystallization kinetics. Phys. Rev. B 50, 5854 (1994).CrossRefGoogle ScholarPubMed
Simchi, A. and Pohl, H.: Effects of laser sintering processing parameters on the microstructure and densification of iron powder. Mater. Sci. Eng., A 359,119 (2003).Google Scholar
Arafune, K. and Hirata, A.: Thermal and solutal marangoni convection in Ln-Ga-Sb system. J. Cryst. Growth 197, 811 (1999).Google Scholar
Mahamood, R.M., Akinlabi, E.T., Shukla, M., and Pityana, S.: Scanning velocity influence on microstructure, microhardness and wear resistance performance of laser deposited Ti6Al4V/TiC composite. Mater. Des. 50, 656 (2013).Google Scholar
Sheng, L.Y., Yang, F., Xi, T.F., and Guo, J.T.: Investigation on microstructure and wear behavior of the NiAl–TiC-Al2O3 composite fabricated by self-propagation high-temperature synthesis with extrusion. J. Alloys Compd. 554, 182 (2013).Google Scholar
Supplementary material: File

Supplementary Material

Supplementary information supplied by authors.

Download Supplementary Material(File)
File 5.2 MB