Hostname: page-component-cd9895bd7-fscjk Total loading time: 0 Render date: 2024-12-28T16:41:55.032Z Has data issue: false hasContentIssue false

Additive manufacturing-enabled shape transformations via FFF 4D printing

Published online by Cambridge University Press:  15 November 2018

Abishera Ravichandra Rajkumar
Affiliation:
Department of Mechanical and Materials Engineering, Khalifa University of Science and Technology, Masdar Institute, Masdar City, Abu Dhabi, UAE
Kumar Shanmugam*
Affiliation:
Department of Mechanical and Materials Engineering, Khalifa University of Science and Technology, Masdar Institute, Masdar City, Abu Dhabi, UAE
*
a)Address all correspondence to this author. e-mail: s.kumar@eng.oxon.org
Get access

Abstract

Fused-filament-fabrication (FFF) is a commonly used and commercially successful additive-manufacturing method for thermoplastics. Depending on the FFF process parameters, the internal-strains along print direction, thermal-gradient across layers, and anisotropy introduced during layer-by-layer build-up can significantly affect the macroscopic properties, dimensional stability, and structural performance of the final part. Conversely, these factors can be optimized to result in unique, controllable thermally actuated shape-transformations. This work aims at quantifying and understanding the underlying mechanisms that drive the thermally actuated shape-transformation in three commonly used thermoplastics fabricated by the FFF method namely, poly-lactic-acid (PLA), high-impact-polystyrene (HIPS), and acrylonitrile-butadiene-styrene (ABS). Initially, the release of internal-strains is analyzed for unidirectionally printed samples experimentally and computationally, employing a thermoviscoelastic-viscoplastic constitutive model. Subsequently, two basic initial (as-printed) configurations, namely, a beam and a circular-disc are chosen to study the 1D to 2D and 2D to 3D shape-transformations, respectively. The effect of process parameters such as the printing speed, print path, and infill density on the shape transformation behavior is investigated systematically. Finally, the results are applied to demonstrate shape-transformations for application in morphing-structures and/or as an alternative, simplified process in fabricating curved-components.

Type
Article
Copyright
Copyright © Materials Research Society 2018 

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

Liljenhjerte, J., Upadhyaya, P., and Kumar, S.: Hyperelastic strain measurements and constitutive parameters identification of 3d printed soft polymers by image processing. Addit. Manuf. 1, 4048 (2016).CrossRefGoogle Scholar
Kumar, S., Wardle, B.L., and Arif, M.F.: Strength and performance enhancement of bonded joints by spatial tailoring of adhesive compliance via 3D printing. ACS Appl. Mater. Interfaces 9, 884891 (2016).CrossRefGoogle ScholarPubMed
Kumar, S., Wardle, B.L., Arif, M.F., and Ubaid, J.: Stress reduction of 3D printed compliance‐tailored multilayers. Adv. Eng. Mater. 20, 1700883 (2018).CrossRefGoogle Scholar
Khan, M.A., Kumar, S., and Cantwell, W.J.: Performance of additively manufactured cylindrical bonded systems with stiffness-tailored interface. Int. J. Solids Struct. 152, 7184 (2018).CrossRefGoogle Scholar
Khan, M.A. and Kumar, S.: Performance enhancement of tubular multilayers via compliance-tailoring: 3D printing, testing, and modeling. Int. J. Mech. Sci. 140, 93108 (2018).CrossRefGoogle Scholar
Ubaid, J., Wardlle, B.L., and Kumar, S.: Strength and performance enhancement of multilayers by spatial tailoring of adherend compliance and morphology via multimaterial jetting additive manufacturing. Sci. Rep. 8, 13592 (2018).CrossRefGoogle ScholarPubMed
Dugbenoo, E., Arif, M.F., Wardle, B.L., and Kumar, S.: Enhanced bonding via additive manufacturing-enabled surface tailoring of 3D printed continuous-fiber composites. Adv. Eng. Mater. (2018). (in press). https://doi.org/10.1002/adem.201800691.CrossRefGoogle Scholar
Ahn, S-H., Montero, M., Odell, D., Roundy, S., and Wright, P.K.: Anisotropic material properties of fused deposition modeling ABS. Rapid Prototyp. J. 8, 248257 (2002).CrossRefGoogle Scholar
Sood, A.K., Ohdar, R.K., and Mahapatra, S.S.: Parametric appraisal of mechanical property of fused deposition modelling processed parts. Mater. Des 31, 287295 (2010).CrossRefGoogle Scholar
Domingo-Espin, M., Puigoriol-Forcada, J.M., Garcia-Granada, A-A., Lluma, J., Borros, S., and Reyes, G.: Mechanical property characterization and simulation of fused deposition modeling polycarbonate parts. Mater. Des. 83, 670677 (2015).CrossRefGoogle Scholar
Arif, M., Kumar, S., Varadarajan, K., and Cantwell, W.: Performance of biocompatible peek processed by fused deposition additive manufacturing. Mater. Des. 146, 249259 (2018).CrossRefGoogle Scholar
Wang, T-M., Xi, J-T., and Jin, Y.: A model research for prototype warp deformation in the fdm process. Int. J. Adv. Des. Manuf. Technol. 33, 10871096 (2007).CrossRefGoogle Scholar
Kousiatza, C. and Karalekas, D.: In situ monitoring of strain and temperature distributions during fused deposition modeling process. Mater. Des. 97, 400406 (2016).CrossRefGoogle Scholar
Kantaros, A. and Karalekas, D.: Fiber Bragg grating based investigation of residual strains in abs parts fabricated by fused deposition modeling process. Mater. Des. 50, 4450 (2013).CrossRefGoogle Scholar
Casavola, C., Cazzato, A., Moramarco, V., and Pappalettera, G.: Residual stress measurement in fused deposition modelling parts. Polym. Test. 58, 249255 (2017).CrossRefGoogle Scholar
Sood, A.K., Ohdar, R., and Mahapatra, S.S.: Improving dimensional accuracy of fused deposition modelling processed part using grey Taguchi method. Mater. Des. 30, 42434252 (2009).CrossRefGoogle Scholar
Zhang, Q., Yan, D., Zhang, K., and Hu, G.: Pattern transformation of heat-shrinkable polymer by three-dimensional (3d) printing technique. Sci. Rep. 5, 8936 (2015).CrossRefGoogle ScholarPubMed
Turner, B.N. and Gold, S.A.: A review of melt extrusion additive manufacturing processes: II. Materials, dimensional accuracy, and surface roughness. Rapid Prototyp. J. 21, 250261 (2015).CrossRefGoogle Scholar
Zhang, J., Wang, X.Z., Yu, W.W., and Deng, Y.H.: Numerical investigation of the influence of process conditions on the temperature variation in fused deposition modeling. Mater. Des. 130, 5968 (2017).CrossRefGoogle Scholar
Zhang, Q., Zhang, K., and Hu, G.: Smart three-dimensional lightweight structure triggered from a thin composite sheet via 3d printing technique. Sci. Rep. 6, 22431 (2016).CrossRefGoogle ScholarPubMed
Bodaghi, M., Damanpack, A., and Liao, W.: Adaptive metamaterials by functionally graded 4d printing. Mater. Des. 135, 2636 (2017).CrossRefGoogle Scholar
Hu, G., Damanpack, A., Bodaghi, M., and Liao, W.: Increasing dimension of structures by 4d printing shape memory polymers via fused deposition modeling. Smart Mater. Struct. 26, 125023 (2017).CrossRefGoogle Scholar
Tibbits, S.: The emergence of 4d printing. In TED Conference (2013). Available at: http://www.ted.com/talks/skylar_tibbits_the_emergence_of_4d_printing?language=en.Google Scholar
Momeni, F., Liu, X., and Ni, J.: A review of 4d printing. Mater. Des. 122, 4279 (2017).CrossRefGoogle Scholar
Ge, Q., Dunn, C.K., Qi, H.J., and Dunn, M.L.: Active origami by 4d printing. Smart Mater. Struct. 23, 094007 (2014).CrossRefGoogle Scholar
Mao, Y., Yu, K., Isakov, M.S., Wu, J., Dunn, M.L., and Qi, H.J.: Sequential self-folding structures by 3d printed digital shape memory polymers. Sci. Rep. 5, 13616 (2015).CrossRefGoogle ScholarPubMed
Liu, K., Wu, J., Paulino, G.H., and Qi, H.J.: Programmable deployment of tensegrity structures by stimulus-responsive polymers. Sci. Rep. 7, 3511 (2017).CrossRefGoogle ScholarPubMed
Tibbits, S.: 4d printing: Multi-material shape change. Architect. Des. 84, 116121 (2014).Google Scholar
Nguyen, T.D., Qi, H.J., Castro, F., and Long, K.N.: A thermoviscoelastic model for amorphous shape memory polymers: Incorporating structural and stress relaxation. J. Phys. Chem. Solids 56, 27922814 (2008).CrossRefGoogle Scholar
Abishera, R., Velmurugan, R., and Gopal, K.N.: Reversible plasticity shape memory effect in epoxy/CNT nanocomposites—A theoretical study. Compos. Sci. Technol. 141, 145153 (2017).CrossRefGoogle Scholar
Rajkumar, A.R., Ramachandran, V., Gopal, K.V.N., and Gupta, N.K.: Reversible plasticity shape-memory effect in epoxy nanocomposites: Experiments, modeling and predictions. In Mechanics for Materials and Technologies, Advanced Structured Materials, Vol. 46, Altenbach, H., Goldstein, R., and Murashkin, E., eds. (Springer, Cham, Switzerland, 2017); pp. 387415.CrossRefGoogle Scholar
Abishera, R., Velmurugan, R., and Nagendra Gopal, K.: Free, partial, and fully constrained recovery analysis of cold-programmed shape memory epoxy/carbon nanotube nanocomposites: Experiments and predictions. J. Intell. Mater. Syst. Struct. 29, 21642176 (2018).CrossRefGoogle Scholar
Liu, Y., Gall, K., Dunn, M.L., Greenberg, A.R., and Diani, J.: Thermomechanics of shape memory polymers: Uniaxial experiments and constitutive modeling. Int. J. Plast. 22, 279313 (2006).CrossRefGoogle Scholar
Arruda, E.M. and Boyce, M.C.: A three-dimensional constitutive model for the large stretch behavior of rubber elastic materials. J. Phys. Chem. Solids 41, 389412 (1993).CrossRefGoogle Scholar
Li, G. and Xu, W.: Thermomechanical behavior of thermoset shape memory polymer programmed by cold-compression: Testing and constitutive modeling. J. Phys. Chem. Solids 59, 12311250 (2011).CrossRefGoogle Scholar
Boyce, M.C., Weber, G., and Parks, D.M.: On the kinematics of finite strain plasticity. J. Phys. Chem. Solids 37, 647665 (1989).CrossRefGoogle Scholar
Hashmi, S.A., Prasad, H.C., Abishera, R., Bhargaw, H.N., and Naik, A.: Improved recovery stress in multi-walled-carbon-nanotubes reinforced polyurethane. Mater. Des. 67, 492500 (2015).CrossRefGoogle Scholar
Abishera, R., Velmurugan, R., and Gopal, K.N.: Reversible plasticity shape memory effect in carbon nanotubes reinforced epoxy nanocomposites. Compos. Sci. Technol. 37, 148158 (2016).CrossRefGoogle Scholar
Srivastava, V., Chester, S.A., and Anand, L.: Thermally actuated shape-memory polymers: Experiments, theory, and numerical simulations. J. Phys. Chem. Solids 58, 11001124 (2010).CrossRefGoogle Scholar
Chacón, J., Caminero, M., García-Plaza, E., and Núñez, P.: Additive manufacturing of PLA structures using fused deposition modelling: Effect of process parameters on mechanical properties and their optimal selection. Mater. Des. 124, 143157 (2017).CrossRefGoogle Scholar
Ning, F., Cong, W., Hu, Y., and Wang, H.: Additive manufacturing of carbon fiber reinforced plastic composites using fused deposition modeling: Effects of process parameters on tensile properties. J. Compos. Mater. 51, 451462 (2017).CrossRefGoogle Scholar
Jin, Y., Du, J., He, Y., and Fu, G.: Modeling and process planning for curved layer fused deposition. Int. J. Adv. Des. Manuf. Technol. 91, 273285 (2017).CrossRefGoogle Scholar
Allen, R.J. and Trask, R.S.: An experimental demonstration of effective curved layer fused filament fabrication utilizing a parallel deposition robot. Addit. Manuf. 8, 7887 (2015).CrossRefGoogle Scholar
Supplementary material: File

Rajkumar and Shanmugam supplementary material

Rajkumar and Shanmugam supplementary material 1

Download Rajkumar and Shanmugam supplementary material(File)
File 1.2 MB