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An Analysis of Binder Decomposition and its Inhibitory Effects on the Sintering of Lattice Structured Ti6Al4V-Polyamide 12 Composites

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Abstract:

Applications of 3D printed metallic alloy materials like Ti6Al4V or Ti64 offer significant advantages for certain applications and incorporates complex geometries like lattice structures achieving material optimization. This study analyzes the thermal processing of i-SLS 3D-printed Ti6Al4V-PA12 composites with varying lattice structures (Solid, Gyroid, and Sinusoid). This paper analyzes the chemical barriers and morphological indicators of the sintered composites using SEM-EDX and Optical Microscopy, Pearson Correlation is calculated for statistical analysis. Results among the varying sintering profiles showed that sintering at 1250 °C (Intermediate Temperature Profile) has progress on initial Ti64 contact. Outcomes are dependent with the high surface-area-to volume ratio of the geometric shapes, leading to higher residual carbon decomposition, but prone to surface oxidation. Oxidation and carbon residues are factors interfering with the necking between Ti6Al4V particles. Thus, high temperature treatment for Ti6Al4V sintering under high purity argon atmosphere showed a lack of densification and failed to reach a sintered state.

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Periodical:

Materials Science Forum (Volume 1198)

Pages:

15-21

DOI:

https://doi.org/10.4028/p-rFO2TK

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Cite this paper

Online since:

August 2026

Authors:

Lean Mae P. Cagujas*, Ana Katrina L. Dumduman, Alvin Kim M. Collera, John Lemuel G. Untalasco, Anthony Al C. Aquiro, Mar Christian O. Que, Marianito T. Margarito

Keywords:

Additive Manufacturing, I-SLS, Lattice Structures, PA12, Thermal Post Processing Optimization, Ti64

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

References

[1] P. Snarr, J. Beaman, and D. Haas, "Investigating Thermally Induced Phase Separation as a Composite Powder Synthesis Technique for Indirect Selective Laser Sintering," in Solid Freeform Fabrication 2021: Proceedings of the 32nd Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference, 2021, p.678–687.

DOI: 10.32656/2018_29sff_symposium

Google Scholar

[2] R. Kumar, M. Kumar, and J. S. Chohan, "The role of additive manufacturing for biomedical applications: A critical review," J. Manuf. Process., vol. 64, p.828–850, Apr. 2021.

DOI: 10.1016/j.jmapro.2021.02.022

Google Scholar

[3] K. Shahzad, "Powder-based Indirect Selective Laser Sintering of Ceramics," 2013.

Google Scholar

[4] K. Shahzad, J. Deckers, S. Boury, B. Neirinck, J.-P. Kruth, and J. Vleugels, "Preparation and indirect selective laser sintering of alumina/PA microspheres," Ceram. Int., vol. 38, no. 2, p.1241–1247, Mar. 2012.

DOI: 10.1016/j.ceramint.2011.08.055

Google Scholar

[5] Chun-Ze Yan, Yu-Sheng Shi, Jing-Song Yang, and Lin Xu, "Preparation and Selective Laser Sintering of Nylon-12-Coated Aluminum Powders," J. Compos. Mater., vol. 43, no. 17, p.1835–1851, Aug. 2009.

DOI: 10.1177/0021998309340932

Google Scholar

[6] J. L. Cabezas-Villa, J. Lemus-Ruiz, D. Bouvard, O. Jiménez, H. J. Vergara-Hernández, and L. Olmos, "Sintering study of Ti6Al4V powders with different particle sizes and their mechanical properties," International Journal of Minerals, Metallurgy, and Materials, vol. 25, no. 12, p.1389–1401, Dec. 2018.

DOI: 10.1007/s12613-018-1693-5

Google Scholar

[7] Y. Wu, R. M. German, D. Blaine, B. Marx, and C. Schlaefer, "Effects of residual carbon content on sintering shrinkage, microstructure and mechanical properties of injection molded 17-4 PH stainless steel," Journal of Materials Science, vol. 37, no. 17, p.3573–3583, Sep. 2002.

DOI: 10.1023/a:1016532418920

Google Scholar

[8] M. R. Mazlan et al., "Necking mechanism under various sintering process parameters – A review," Journal of Materials Research and Technology, vol. 23, p.2189–2201, Mar. 2023.

DOI: 10.1016/j.jmrt.2023.01.013

Google Scholar

[9] C. Arvieu, J. P. Manaud, and J. M. Quenisset, "Interaction between titanium and carbon at moderate temperatures," J. Alloys Compd., vol. 368, no. 1–2, p.116–122, Apr. 2004.

DOI: 10.1016/j.jallcom.2003.08.051

Google Scholar

[10] F. Yang, N. Zobeiry, R. Mamidala, and X. Chen, "A review of aging, degradation, and reusability of PA12 powders in selective laser sintering additive manufacturing," Materials Today Communications, vol. 34, p.105279, Mar. 2023.

DOI: 10.1016/j.mtcomm.2022.105279

Google Scholar

[11] J. Čapek and D. Vojtěch, "Effect of sintering conditions on the microstructural and mechanical characteristics of porous magnesium materials prepared by powder metallurgy," Materials Science and Engineering: C, vol. 35, p.21–28, Feb. 2014.

DOI: 10.1016/j.msec.2013.10.014

Google Scholar

[12] A. Gonchar, V. Troshchylo, A. Brodskyy, V. Yarovynskyi, and O. Chukhmanov, "Development of a technology to produce titanium powder with a low carbon footprint," Eastern-European Journal of Enterprise Technologies, vol. 2, no. 12 (122), p.42–54, Apr. 2023.

DOI: 10.15587/1729-4061.2023.276746

Google Scholar