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Heat treatment influences densification and porosity of AlSi10Mg alloy thin-walled parts manufactured by selective laser melting technique

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Abstract

The fully dense thin-walled structures are very important for manufacturers and customers. Selective laser melting (SLM) is mainly employed for the fabrication of thin-walled and lightweight structures of aluminum alloys, titanium alloys, etc. The goal of the paper is to study the effect of heat treatments, i.e., solution heat treatment (SHT) and artificial aging (AA) on the densification and porosity of the thin-walled specimens. Thin-walled specimens with various wall thicknesses (i.e., from 0.50 to 5.0 mm) were fabricated using AlSi10Mg alloy powder with optimal process parameters on the SLM system. The relative densities of the heat-treated specimens were compared with the as-built test specimens. The porosity development during the process and their relationship with the relative density are also studied critically by applying Archimedes’ method and optical microscopic analysis. Results showed that the densification and porosity distribution behavior is changing with the variations in the wall thickness of specimens. The lowest relative density of 93.42% was obtained for 1.50-mm-wall-thickness specimen in SHT condition. The maximum relative density of 98.61% was achieved for 5.0-mm-wall-thickness specimen in the AA condition. Finally, it is concluded that the AA has a significant influence on the low-wall-thickness (i.e., from 0.50 to 2.0 mm) specimens, and the densification is improved, and porosities are reduced due to fine grain structure and strong bonding between particles.

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References

  1. Buchbinder D, Schleifenbaum H, Heidrich S, Meiners W, Bültmann J (2011) High Power selective laser melting (HP SLM) of aluminum parts. Phy Procedia 12:271–278

    Article  Google Scholar 

  2. Krauss H, Zaeh MF (2013) Investigations on manufacturability and process reliability of selective laser melting. Phys Procedia 41:815–822

    Article  Google Scholar 

  3. Józwik J, Ostrowski D, Milczarczyk R, Krolczyk GM (2018) Analysis of relation between the 3D printer laser beam power and the surface morphology properties in Ti-6Al-4 V titanium alloy parts. J Braz Soc Mech Sci Eng 40(4):215

    Article  Google Scholar 

  4. Martin JH, Yahata BD, Hundley JM, Mayer JA, Schaedler TA, Pollock TM (2017) 3D printing of high-strength aluminium alloys. Nature 549:365–369

    Article  Google Scholar 

  5. Abele E, Stoffregen HA, Kniepkamp M, Lang S, Hampe M (2015) Selective laser melting for manufacturing of thin-walled porous elements. J Mater Process Technol 215:114–122

    Article  Google Scholar 

  6. Alexopoulos ND, Pantelakis SG (2004) Quality evaluation of A357 cast aluminum alloy specimens subjected to different artificial aging treatment. Mater Des 25(5):419–430

    Article  Google Scholar 

  7. Kimura T, Nakamoto T (2016) Microstructures and mechanical properties of A356 (AlSi7Mg0.3) aluminum alloy fabricated by selective laser melting. Mater Des 89:1294–1301

    Article  Google Scholar 

  8. Ahuja B, Karg M, Nagulin KY, Schmidt M (2014) Fabrication and characterization of high strength Al–Cu alloys processed using laser beam melting in metal powder bed. Phys Procedia 56:135–146

    Article  Google Scholar 

  9. Qiu C, Yue S, Adkins NJE, Ward M, Hassanin H, Lee PD, Withers PJ, Attallah MM (2015) Influence of processing conditions on strut structure and compressive properties of cellular lattice structures fabricated by selective laser melting. Mat Sci Eng A 628:188–197

    Article  Google Scholar 

  10. Aboulkhair NT, Maskery I, Tuck C, Ashcroft I, Everitt NM (2016) The microstructure and mechanical properties of selectively laser melted AlSi10Mg: the effect of a conventional T6-like heat treatment. Mat Sci Eng A 667:139–146

    Article  Google Scholar 

  11. Aboulkhair NT, Everitt NM, Ashcroft I, Tuck C (2014) Reducing porosity in AlSi10Mg parts processed by selective laser melting. Addit Manuf 1–4:77–86

    Article  Google Scholar 

  12. Majeed A, Lv J, Peng T (2019) A framework for big data driven process analysis and optimization for additive manufacturing. Rapid Prototype J 25(2):308–321

    Article  Google Scholar 

  13. Wang LF, Sun J, Yu XL, Shi Y, Zhu XG, Cheng LY, Liang HH, Yan B, Guo LJ (2018) Enhancement in mechanical properties of selectively laser-melted AlSi10Mg aluminum alloys by T6-like heat treatment. Mat Sci Eng A 734:299–310

    Article  Google Scholar 

  14. Yu X, Wang L (2018) T6 heat-treated AlSi10Mg alloys additive-manufactured by selective laser melting. Proc Manuf 15:1701–1707

    Google Scholar 

  15. Fousová M, Dvorský D, Michalcová A, Vojtěch D (2018) Changes in the microstructure and mechanical properties of additively manufactured AlSi10Mg alloy after exposure to elevated temperatures. Mater Charact 137:119–126

    Article  Google Scholar 

  16. Kempen K, Lore T, Yasa E, Badrossamay M, Verheecke W, Kruth J-P (2011) Process optimization and microstructural analysis for selective laser melting of AlSi10Mg. In: Proceedings of solid freeform fabrication symposium, pp 484–495

  17. Wang L, Jiang X, Guo M, Zhu X, Yan B (2017) Characterisation of structural properties for AlSi10Mg alloys fabricated by selective laser melting. Mater Sci Technol 33(18):2274–2282

    Article  Google Scholar 

  18. Raus AA, Wahab MS, Ibrahim M, Kamarudin K, Ahmed A, Shamsudin S (2017) Mechanical and physical properties of AlSi10Mg processed through selective laser melting. AIP Conf Proc 1831(1):020027

    Article  Google Scholar 

  19. Raus AA, Wahab MS, Shayfull Z, Kamarudin K, Ibrahim M (2016) The influence of selective laser melting parameters on density and mechanical properties of AlSi10Mg. In: 2nd international conference on green design and manufacture, IConGDM 2016, May 1, 2016–May 2, 2016, Phuket, Thailand, 2016. MATEC web of conferences. EDP Sciences

  20. Ahmed A, Wahab MS, Raus AA, Kamarudin K, Bakhsh Q, Ali D (2016) Effects of selective laser melting parameters on relative density of AlSi10Mg. Int J Eng Tech 8(6):2552–2557

    Article  Google Scholar 

  21. Soni A, Kumar S, Singh B (2018) Prediction of tensile strength of 3D printed part using response surface methodology. J Braz Soc Mech Sci Eng 40(12):566

    Article  Google Scholar 

  22. Abd-Elghany K, Bourell DL (2012) Property evaluation of 304L stainless steel fabricated by selective laser melting. Rapid Prototype J 18(5):420–428

    Article  Google Scholar 

  23. Kumar N, Jain PK, Tandon P, Pandey PM (2018) Extrusion-based additive manufacturing process for producing flexible parts. J Braz Soc Mech Sci Eng 40(3):143

    Article  Google Scholar 

  24. Song C, Yang Y, Liu Y, Luo Z, Yu J-K (2015) Study on manufacturing of W–Cu alloy thin wall parts by selective laser melting. Int J Adv Manuf Technol 78(5):885–893

    Article  Google Scholar 

  25. Gu D, Shen Y, Lu Z (2009) Microstructural characteristics and formation mechanism of direct laser-sintered Cu-based alloys reinforced with Ni particles. Mater Des 30(6):2099–2107

    Article  Google Scholar 

  26. Zhao X, Song B, Fan W, Zhang Y, Shi Y (2016) Selective laser melting of carbon/AlSi10Mg composites: microstructure, mechanical and electronical properties. J Alloys Compd 665:271–281

    Article  Google Scholar 

  27. Peng T, Chen C (2018) Influence of energy density on energy demand and porosity of 316L stainless steel fabricated by selective laser melting. Int J Prec Eng Manuf Green Technol 5(1):55–62

    Article  Google Scholar 

  28. Zhang B, Dembinski L, Coddet C (2013) The study of the laser parameters and environment variables effect on mechanical properties of high compact parts elaborated by selective laser melting 316L powder. Mater Sci Eng A 584:21–31

    Article  Google Scholar 

  29. Yap CY, Chua CK, Dong ZL (2016) An effective analytical model of selective laser melting. Virtual Phys Prototype 11(1):21–26

    Article  Google Scholar 

  30. Kempen K, Thijs L, Van Humbeeck J, Kruth JP (2015) Processing AlSi10Mg by selective laser melting: parameter optimisation and material characterisation. Mater Sci Technol 31(8):917–923

    Article  Google Scholar 

  31. Read N, Wang W, Essa K, Attallah MM (2015) Selective laser melting of AlSi10Mg alloy: process optimisation and mechanical properties development. Mater Des 1980–2015(65):417–424

    Article  Google Scholar 

  32. Brandl E, Heckenberger U, Holzinger V, Buchbinder D (2012) Additive manufactured AlSi10Mg samples using selective laser melting (SLM): microstructure, high cycle fatigue, and fracture behavior. Mater Des 34:159–169

    Article  Google Scholar 

  33. Majeed A, Zhang YF, Lv JX, Peng T, Waqar S, Atta Z (2018) Study the effect of heat treatment on the relative density of SLM built parts of alsi10 mg alloy. In: 48th international conference on computers and industrial engineering, CIE 2018, December 2, 2018–December 5, 2018, Auckland, New zealand, 2018. Proceedings of international conference on computers and industrial engineering, CIE. Curran Associates Inc

  34. Majeed A, Lv J, Zhang Y, Muzamil M, Waqas A, Shamim K, Qureshi ME, Zafar F (2019) An investigation into the influence of processing parameters on the surface quality of AlSi10Mg parts by SLM process. In: 2019 16th international bhurban conference on applied sciences and technology (IBCAST), 8–12 Jan. 2019, pp 143–147

  35. L-Z Wang, Wang S, J-J Wu (2017) Experimental investigation on densification behavior and surface roughness of AlSi10Mg powders produced by selective laser melting. Opt Laser Technol 96:88–96

    Article  Google Scholar 

  36. Kamath C, El-dasher B, Gallegos GF, King WE, Sisto A (2014) Density of additively-manufactured, 316L SS parts using laser powder-bed fusion at powers up to 400 W. Int J Adv Manuf Technol 74(1–4):65–78

    Article  Google Scholar 

  37. Louvis E, Fox P, Sutcliffe CJ (2011) Selective laser melting of aluminium components. J Mater Process Technol 211(2):275–284

    Article  Google Scholar 

  38. Diego M, Flaviana C, Manickavasagam K, Riccardo C, Elisa Paola A, Sara B, Daniele U, Matteo P, Paolo F (2014) Additive manufacturing of Al alloys and aluminium matrix composites (AMCs), light metal alloys applications light metal alloys applications. In: Monteiro WA (ed) InTech: Rijeka, Croatia

  39. Aboulkhair NT, Tuck C, Ashcroft I, Maskery I, Everitt NM (2015) On the precipitation hardening of selective laser melted AlSi10Mg. Metall Mater Trans A 46(8):3337–3341

    Article  Google Scholar 

  40. Li W, Li S, Liu J, Zhang A, Zhou Y, Wei Q, Yan C, Shi Y (2016) Effect of heat treatment on AlSi10Mg alloy fabricated by selective laser melting: microstructure evolution, mechanical properties and fracture mechanism. Mater Sci Eng A 663:116–125

    Article  Google Scholar 

  41. Kempen K, Thijs L, Van Humbeeck J, Kruth JP (2012) Mechanical properties of AlSi10Mg produced by selective laser melting. Phys Procedia 39:439–446

    Article  Google Scholar 

  42. ASM-Handbook (1990) Volume 2-Properties and selection: non ferrous alloys and special-purpose materials, and volume 4—heat treating. ASM International The Materials Information Company, United States of America, ISBN 0-87170-379-3

  43. Kruth JP, Badrossamay M, Yasa E, Deckers J, Thijs L, Van Humbeeck J (2010) Part and material properties in selective laser melting of metals. In: 16th international symposium on electromachining, ISEM 2010, April 19, 2010–April 23, 2010, Shanghai, China, 2010. In: 16th International symposium on electromachining, ISEM 2010. Shanghai Jiaotong University Press, pp 3–14

  44. Galy C, Le Guen E, Lacoste E, Arvieu C (2018) Main defects observed in aluminum alloy parts produced by SLM: from causes to consequences. Addit Manuf 22:165–175

    Article  Google Scholar 

  45. Malcolm AA, Wong BS, Fan Z (2015) Measurement and characterization of porosity in aluminium selective laser melting parts using X-ray CT AU. Virtual Phys Prototype 10(4):195–206

    Article  Google Scholar 

  46. Tang M, Pistorius PC (2017) Oxides, porosity and fatigue performance of AlSi10Mg parts produced by selective laser melting. Int J Fatigue 94:192–201

    Article  Google Scholar 

Download references

Acknowledgements

This research is supported by the National Natural Science Foundation of China (Nos. 51505423, 51705428) and the International Clean Energy Talent Program (ICET) of China Scholarship Council (Liujinfa [2017] 5047 and Liujinfa [2018] 5023). The author would like to thank Miss Song Le and Mr. Fahad Zafar for helping in performing heat treatment of specimens.

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Authors and Affiliations

  1. Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi, China

    Arfan Majeed, Muhammad Muzamil, Jingxiang Lv & Bufan Liu

  2. Mechanical Engineering Department, NED University of Engineering and Technology, Karachi, 75270, Pakistan

    Muhammad Muzamil

  3. School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China

    Fiaz Ahmad

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  1. Arfan Majeed
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Correspondence to Arfan Majeed.

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Technical Editor: Lincoln Cardoso Brandão.

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Majeed, A., Muzamil, M., Lv, J. et al. Heat treatment influences densification and porosity of AlSi10Mg alloy thin-walled parts manufactured by selective laser melting technique. J Braz. Soc. Mech. Sci. Eng. 41, 267 (2019). https://doi.org/10.1007/s40430-019-1769-9

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