Remote activation of nanomagnetite reinforced shape memory polymer foam
Abstract
Shape memory polymer foams are thermally activated using remote induction of magnetic susceptor filler particles dispersed in the thermoset foam matrix. Material properties and foam performance are characterized and compared over a range of fillers, induction parameters, and packaging configurations. This investigation indicates an improvement in heating performance for increased weight percentage of filler without sacrifice in foam thermo-mechanical properties up to 10 wt% filler. Detailed analysis of the results indicates that the primary factor in improving heating performance is heat transfer between the filler nanoparticles and the bulk foam.
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To obtain outstanding magnetic-active shape memory effect, a homogeneous distribution and a large content of fillers in the shape memory polymer matrix are required.
“To obtain outstanding magnetic-active SME, a homogeneous distribution and a large content of fillers in the SMP matrix are required [375,391].”
From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [391]
To obtain outstanding magnetic-active SME, a homogeneous distribution and a large content of fillers in the SMP matrix are required.
“To obtain outstanding magnetic-active SME, a homogeneous distribution and a large content of fillers in the SMP matrix are required [375,391].”
From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [391]
The relationships among the interface interaction, induction heating performance, as well as the influence on the mechanical properties and SME have been investigated systemically.
“The relationships among the interface interaction, induction heating performance, as well as the influence on the mechanical properties and SME have been investigated systemically [375,380,391,396].”
From A review of stimuli-responsive shape memory polymer composites (2013) · cites this paper as [391]
Cites
Cellular solids structure and properties
Gibson, L. J., Ashby, M. F., et al. (1997) · Cited by 9,042 · see citing works
Gibson, L. J., & Ashby, M. F. (1997) · Cambridge University Press eBooks · doi:10.1017/cbo9781139878326 · Cited by 5,520 · see citing works
Kraus, A. D., Welty, J. R., & Aziz, A. (2011) · CRC Press eBooks · doi:10.1201/b12301-22 · Cited by 4,223 · see citing works
Lendlein, A., Kelch, S., Kratz, K., Schulte, J., & Schauer, S. (2002) · Wiley eBooks · doi:10.1002/0471238961.1908011612051404.a01 · Cited by 2,616 · see citing works
Amorphous and nanocrystalline materials for applications as soft magnets
McHenry, M. E., Willard, M. A., & Laughlin, D. E. (1999) · Progress in Materials Science · doi:10.1016/s0079-6425(99)00002-x · Cited by 1,693 · see citing works
Koerner, H., Price, G., Pearce, N. A., Alexander, M., & Vaia, R. A. (2004) · Nature Materials · doi:10.1038/nmat1059 · Cited by 1,034 · see citing works
Rudnev, V., Loveless, D., & Cook, R. L. (2017) · CRC Press eBooks · doi:10.1201/9781315117485 · Cited by 859 · see citing works
Thermomechanics of shape memory polymers: Uniaxial experiments and constitutive modeling
Liu, Y., Gall, K., Dunn, M. L., Greenberg, A. R., & Diani, J. (2005) · International Journal of Plasticity · doi:10.1016/j.ijplas.2005.03.004 · Cited by 826 · see citing works
Self-citationBehl, M., & Lendlein, A. (2011) · Wiley eBooks · doi:10.1002/0471238961.1908011612051404.a01.pub2 · Cited by 664 · see citing works
Yakacki, C. M., Shandas, R., Lanning, C., Rech, B., Eckstein, A., & Gall, K. (2007) · Biomaterials · doi:10.1016/j.biomaterials.2007.01.030 · Cited by 618 · see citing works
Self-citationRudnev, V., Loveless, D., Cook, R. L., & Black, M. S. (2002) · CRC Press eBooks · doi:10.1201/9781420028904 · Cited by 572 · see citing works
Electromagnetic activation of shape memory polymer networks containing magnetic nanoparticles
Schmidt, A. M. (2006) · Macromolecular Rapid Communications · doi:10.1002/marc.200600225 · Cited by 518 · see citing works
Thermomechanical properties in a thin film of shape memory polymer of polyurethane series
TOBUSHI, H., Hara, H., Yamada, E., & HAYASHI, S. (1996) · Smart Materials and Structures · doi:10.1088/0964-1726/5/4/012 · Cited by 432 · see citing works
Inductively Heated Shape Memory Polymer for the Magnetic Actuation of Medical Devices
Buckley, P. R., McKinley, G. H., Wilson, T. S., Small, W., Benett, W. J., Bearinger, J. P., McElfresh, M. W., & Maitland, D. J. (2006) · IEEE Transactions on Biomedical Engineering · doi:10.1109/tbme.2006.877113 · Cited by 361 · see citing works
Thermomechanics of the shape memory effect in polymers for biomedical applications
Gall, K., Yakacki, C. M., Liu, Y., Shandas, R., Willett, N., & Anseth, K. S. (2005) · Journal of Biomedical Materials Research Part A · doi:10.1002/jbm.a.30296 · Cited by 351 · see citing works
Self-citationFoundations of electroheat. A unified approach
Metaxas, A. C. (1996) · Fuel and Energy Abstracts · doi:10.1016/0140-6701(96)88691-7 · Cited by 287 · see citing works
Thermal, electrical and magnetic studies of magnetite filled polyurethane shape memory polymers
Razzaq, M. Y., Anhalt, M., Frormann, L., & Weidenfeller, B. (2007) · Materials Science and Engineering: A · doi:10.1016/j.msea.2006.08.083 · Cited by 225 · see citing works
Thermo-mechanical behavior of epoxy shape memory polymer foams
Prima, M. A. D., Lesniewski, M., Gall, K., McDowell, D., Sanderson, T., & Campbell, D. (2007) · Smart Materials and Structures · doi:10.1088/0964-1726/16/6/037 · Cited by 124 · see citing works
Self-citationTey, S. J., Huang, W. M., & Sokolowski, W. M. (2001) · Smart Materials and Structures · doi:10.1088/0964-1726/10/2/318 · Cited by 108 · see citing works
Tobushi, H., Matsui, R., Hayashi, S., & Shimada, D. (2004) · Smart Materials and Structures · doi:10.1088/0964-1726/13/4/026 · Cited by 107 · see citing works
Mechanical spectroscopy of magnetite filled polyurethane shape memory polymers
Razzaq, M. Y., Anhalt, M., Frormann, L., & Weidenfeller, B. (2007) · Materials Science and Engineering: A · doi:10.1016/j.msea.2007.03.059 · Cited by 103 · see citing works
Cold hibernated elastic memory (CHEM) self-deployable structures
Sokolowski, W. M., Chmielewski, A. B., HAYASHI, S., & Yamada, T. (1999) · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · doi:10.1117/12.349675 · Cited by 65 · see citing works
Elastic memory composites (EMC) for deployable industrial and commercial applications
Arzberger, S. C., Tupper, M. L., Lake, M. S., Barrett, R., Mallick, K., Hazelton, C. S., Francis, W. H., Keller, P. N., Campbell, D., Feucht, S. W., et al. (2005) · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · doi:10.1117/12.600583 · Cited by 57 · see citing works
Self-citationInfluence of particle size on hysteresis heating behavior of nickel particulate polymer films
Suwanwatana, W., Yarlagadda, S., & Gillespie, J. W. (2006) · Composites Science and Technology · doi:10.1016/j.compscitech.2006.02.033 · Cited by 38 · see citing works
White, E. V. (2005) · Cited by 26 · see citing works
Thermomechanical Properties of Polyurethane Shape-Memory Polymer Foam
TOBUSHI, H., Okumura, K., Endo, M., & Hayashi, S. (2002) · Materials science forum · doi:10.4028/www.scientific.net/msf.394-395.577 · Cited by 10 · see citing works
Tooley, M., & Dingle, L. (2020) · Engineering Science · doi:10.1201/9781003002246-17 · Cited by 9 · see citing works
Flexural Testing of Shape Memory Polymers for Morphing Aircraft Applications
Gross, K., & Weiland, L. M. (2007) · doi:10.1115/imece2007-43219 · Cited by 5 · see citing works
Flagged first, then by citations
1 of the 29 references couldn’t be matched to a known paper.
Cited by
Sorted by citations
A review of stimuli-responsive shape memory polymer composites
Meng, H., & Li, G. (2013) · Polymer · doi:10.1016/j.polymer.2013.02.023 · Cited by 1,190 · see citing works
Shape memory polymers and their composites in aerospace applications: a review
Liu, Y., Du, H., Liu, L., & Leng, J. (2014) · Smart Materials and Structures · doi:10.1088/0964-1726/23/2/023001 · Cited by 1,061 · see citing works
4D printing of high performance shape memory polymer using stereolithography
Choong, Y. Y. C., Maleksaeedi, S., Eng, H., Wei, J., & Su, P. (2017) · Materials & Design · doi:10.1016/j.matdes.2017.04.049 · Cited by 328 · see citing works
Various shape memory effects of stimuli-responsive shape memory polymers
Meng, H., Mohamadian, H., Stubblefield, M., Jerro, D., Ibekwe, S., Pang, S.-S., & Li, G. (2013) · Smart Materials and Structures · doi:10.1088/0964-1726/22/9/093001 · Cited by 257 · see citing works
Stimulus methods of multi-functional shape memory polymer nanocomposites: A review
Liu, T., Zhou, T., Yao, Y., Zhang, F., Liu, L., Liu, Y., & Leng, J. (2017) · Composites Part A Applied Science and Manufacturing · doi:10.1016/j.compositesa.2017.04.022 · Cited by 227 · see citing works
Review on the Functional Determinants and Durability of Shape Memory Polymers
Pretsch, T. (2010) · Polymers · doi:10.3390/polym2030120 · Cited by 138 · see citing works
A self-healing 3D woven fabric reinforced shape memory polymer composite for impact mitigation
Nji, J., & Li, G. (2010) · Smart Materials and Structures · doi:10.1088/0964-1726/19/3/035007 · Cited by 131 · see citing works
Review of Progress in Shape Memory Epoxies and Their Composites
Karger-Kocsis, J., & Kéki, S. (2017) · Polymers · doi:10.3390/polym10010034 · Cited by 133 · see citing works
Recent progress in shape memory polymer composites: methods, properties, applications and prospects
Lei, M., Chen, Z., Lu, H., & Yu, K. (2019) · Nanotechnology Reviews · doi:10.1515/ntrev-2019-0031 · Cited by 122 · see citing works
Mechanical Models, Structures, and Applications of Shape-Memory Polymers and Their Composites
Xin, X., Liu, L., Liu, Y., & Leng, J. (2019) · Acta Mechanica Solida Sinica · doi:10.1007/s10338-019-00103-9 · Cited by 115 · see citing works
Self-healing of sandwich structures with a grid stiffened shape memory polymer syntactic foam core
John, M., & Li, G. (2010) · Smart Materials and Structures · doi:10.1088/0964-1726/19/7/075013 · Cited by 116 · see citing works
Reversible switching transitions of stimuli-responsive shape changing polymers
Meng, H., & Li, G. (2013) · Journal of Materials Chemistry A · doi:10.1039/c3ta10716g · Cited by 115 · see citing works
Magnetic memory effect of nanocomposites
Razzaq, M. Y., Behl, M., & Lendlein, A. (2012) · Advanced Functional Materials · doi:10.1002/adfm.201101590 · Cited by 109 · see citing works
Synergistic effect of carbon nanofiber and carbon nanopaper on shape memory polymer composite
Lu, H., Liu, Y., Gou, J., Leng, J., & Du, S. (2010) · Applied Physics Letters · doi:10.1063/1.3323096 · Cited by 107 · see citing works
Melly, S. K., Liu, L., Liu, Y., & Leng, J. (2020) · Journal of Materials Science · doi:10.1007/s10853-020-04761-w · Cited by 105 · see citing works
Thermoset shape memory polymers and their composites
Xie, F., Huang, L., Leng, J., & Liu, Y. (2016) · Journal of Intelligent Material Systems and Structures · doi:10.1177/1045389x16634211 · Cited by 103 · see citing works
Microwave synthesis and actuation of shape memory polycaprolactone foams with high speed
Zhang, F., Zhou, T., Liu, Y., & Leng, J. (2015) · Scientific Reports · doi:10.1038/srep11152 · Cited by 97 · see citing works
Hearon, K., Singhal, P., Horn, J. D., Small, W., Olsovsky, C. A., Maitland, K. C., Wilson, T. S., & Maitland, D. J. (2013) · Journal of macromolecular science. Part C, Reviews in macromolecular chemistry and physics/Journal of macromolecular science. Reviews in macromolecular chemistry and physics · doi:10.1080/15583724.2012.751399 · Cited by 92 · see citing works
Shape‐Memory Nanocomposites with Magnetically Adjustable Apparent Switching Temperatures
Kumar, U. N., Kratz, K. L., Heuchel, M., Behl, M., & Lendlein, A. (2011) · Advanced Materials · doi:10.1002/adma.201102251 · Cited by 80 · see citing works
Santo, L. (2016) · Progress in Aerospace Sciences · doi:10.1016/j.paerosci.2015.12.003 · Cited by 75 · see citing works
Additive Manufacturing of Shape Memory Polymer Composites for Futuristic Technology
Patadiya, J., Gawande, A., Joshi, G. N., & Kandasubramanian, B. (2021) · Industrial & Engineering Chemistry Research · doi:10.1021/acs.iecr.1c03083 · Cited by 74 · see citing works
Smart Polymers for Neural Interfaces
Ware, T. H., Simon, D., Rennaker, R. L., & Voit, W. (2013) · Journal of macromolecular science. Part C, Reviews in macromolecular chemistry and physics/Journal of macromolecular science. Reviews in macromolecular chemistry and physics · doi:10.1080/15583724.2012.751924 · Cited by 74 · see citing works
Raja, M., Ryu, S. H., & Shanmugharaj, A. M. (2014) · Colloids and Surfaces A: Physicochemical and Engineering Aspects · doi:10.1016/j.colsurfa.2014.03.008 · Cited by 66 · see citing works
Narendra Kumar, U., Kratz, K., Behl, M., & Lendlein, A. (2012) · Express Polymer Letters · doi:10.3144/expresspolymlett.2012.4 · Cited by 67 · see citing works
Prima, M. A. D., Gall, K., McDowell, D. L., Guldberg, R. E., Lin, A., Sanderson, T., Campbell, D., & Arzberger, S. C. (2009) · Mechanics of Materials · doi:10.1016/j.mechmat.2009.11.001 · Cited by 61 · see citing works
Self-citationReview of Magnetic Shape Memory Polymers and Magnetic Soft Materials
van Vilsteren, S. J. M., Yarmand, H., & Ghodrat, S. (2021) · Magnetochemistry · doi:10.3390/magnetochemistry7090123 · Cited by 57 · see citing works
Memory-effects of magnetic nanocomposites
Razzaq, M. Y., Behl, M., & Lendlein, A. (2012) · Nanoscale · doi:10.1039/c2nr31332d · Cited by 57 · see citing works
Cyclic compression behavior of epoxy shape memory polymer foam
Prima, M. A. D., Gall, K., McDowell, D. L., Guldberg, R. E., Lin, A., Sanderson, T., Campbell, D., & Arzberger, S. C. (2010) · Mechanics of Materials · doi:10.1016/j.mechmat.2010.01.004 · Cited by 52 · see citing works
Self-citationDong, Y., Ding, J., Wang, J., Fu, X., Hu, H., Li, S., Yang, H., Xu, C., Du, M., & Fu, Y. (2013) · Composites Science and Technology · doi:10.1016/j.compscitech.2012.12.011 · Cited by 48 · see citing works
Gels, jets, mosquitoes, and magnets: a review of implantation strategies for soft neural probes
Apollo, N. V., Murphy, B. B., Prezelski, K., Driscoll, N., Richardson, A. G., Lucas, T. H., & Vitale, F. (2020) · Journal of Neural Engineering · doi:10.1088/1741-2552/abacd7 · Cited by 45 · see citing works
Patel, K. K., & Purohit, R. (2018) · Materials Today Proceedings · doi:10.1016/j.matpr.2018.06.389 · Cited by 44 · see citing works
Preparation of corn straw based spongy aerogel for spillage oil capture
Li, Y., Liu, X., Cai, W., Cao, Y., Sun, Y., & Tan, F. (2018) · Korean Journal of Chemical Engineering · doi:10.1007/s11814-018-0010-3 · Cited by 37 · see citing works
Liu, R., Li, X.-Q., Liu, H., Luo, Z., Ma, J., Zhang, Z., & Fu, Q. (2016) · RSC Advances · doi:10.1039/c6ra02794f · Cited by 35 · see citing works
Gu, S., Jin, S., Gao, X.-F., & Mu, J. (2016) · Smart Materials and Structures · doi:10.1088/0964-1726/25/5/055036 · Cited by 35 · see citing works
Intelligent structures based on the improved activation of shape memory polymers using Peltier cells
Lantada, A. D., Morgado, P. L., Sanz, J. L. M., García, J. M., Muñoz-Guijosa, J. M., & Otero, J. E. (2010) · Smart Materials and Structures · doi:10.1088/0964-1726/19/5/055022 · Cited by 31 · see citing works
Razzaq, M. Y., Behl, M., Kratz, K. L., & Lendlein, A. (2013) · Advanced Materials · doi:10.1002/adma.201301521 · Cited by 29 · see citing works
Heuchel, M., Razzaq, M. Y., Kratz, K. L., Behl, M., & Lendlein, A. (2015) · Polymer · doi:10.1016/j.polymer.2015.03.063 · Cited by 27 · see citing works
Xia, S., Li, X., Wang, Y., Pan, Y., Zheng, Z., Ding, X., & Peng, Y. (2014) · Smart Materials and Structures · doi:10.1088/0964-1726/23/8/085005 · Cited by 25 · see citing works
Advantages and challenges of novel materials for future space applications
Pernigoni, L., & Grande, A. M. (2023) · Frontiers in Space Technologies · doi:10.3389/frspt.2023.1253419 · Cited by 24 · see citing works
Barmouz, M., & Behravesh, A. H. (2018) · Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials · doi:10.1016/j.jmbbm.2018.12.021 · Cited by 24 · see citing works
Applications of Shape-Memory Polymers
Safranski, D. L., & Griffis, J. C. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-37797-3.00006-3 · Cited by 20 · see citing works
Zimmerer, C. A., Mejía, C. S., Utech, T., Arnhold, K., Janke, A., & Wosnitza, J. (2019) · Polymers · doi:10.3390/polym11030535 · Cited by 17 · see citing works
Collado, I., Vázquez‐López, A., Fernández, M. J., de la Vega, J., Jiménez‐Suárez, A., & Prolongo, S. G. (2025) · Advanced Composites and Hybrid Materials · doi:10.1007/s42114-025-01264-7 · Cited by 15 · see citing works
Introduction to Shape-Memory Polymers
Safranski, D. L. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-37797-3.00001-4 · Cited by 13 · see citing works
Campbell, S., Rivera, N. P., Said, S. S., Lam, A., Weir, L., Gour, J., Smeets, N. M. B., & Hoare, T. R. (2023) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.3c09299 · Cited by 12 · see citing works
Magnetic shape memory polymers: a state-of-the-art review
Ahari, M. F., & Mirsayar, M. M. (2025) · Smart Materials and Structures · doi:10.1088/1361-665x/add068 · Cited by 11 · see citing works
Activation Mechanisms of Shape-Memory Polymers
Hanzon, D. W., Yu, K., & Yakacki, C. M. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-37797-3.00005-1 · Cited by 10 · see citing works
Recent advances in shape memory scaffolds and regenerative outcomes
Valioğlu, F., Valipour, F., Atazadeh, S., Hasansadeh, M., Khosrowshahi, N. D., Nezamdoust, F. V., Mohammad-Jafarieh, P., Rahbarghazi, R., & Mahdipour, M. (2024) · Biomedical Engineering Letters · doi:10.1007/s13534-024-00417-9 · Cited by 9 · see citing works
Shape memory epoxy foam-defense and aerospace applications
Unnikrishnan, T. G., Dubey, U., Mohan, S., Joy, J., Chirayil, C. J., & Panneerselvam, K. (2024) · Elsevier eBooks · doi:10.1016/b978-0-323-99452-1.00013-9 · Cited by 6 · see citing works
Sahu, Y. K., Arjunan, T. V., Singh, S., & Vishwas, S. (2025) · Journal of Thermoplastic Composite Materials · doi:10.1177/08927057251377054 · Cited by 9 · see citing works
Meso, Micro, and Nano Particulate Filled Shape-Memory Polymers
Rajani, T., & Bhogi, A. (2022) · Springer eBooks · doi:10.1007/978-3-030-94114-7_11 · Cited by 4 · see citing works
Safranski, D. L., Laffoon, S. L., Sycks, D. G., & Gall, K. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-37797-3.00003-8 · Cited by 3 · see citing works
Self-citationPorous Polyurethane Shape Memory Polymers
Huang, W. M., Yang, B., & Fu, Y. (2011) · CRC Press eBooks · doi:10.1201/b11209-9 · Cited by 2 · see citing works
Shape memory composites and braids
Ayranci, C., Ivey, M. A., & Carey, J. P. (2016) · Elsevier eBooks · doi:10.1016/b978-0-08-100369-5.00011-8 · Cited by 2 · see citing works
Shape memory composites and braids
Garces, I., Ayranci, C., Ivey, M. A., & Carey, J. P. (2024) · Elsevier eBooks · doi:10.1016/b978-0-443-18602-8.00009-7 · Cited by 2 · see citing works
3D printing of shape memory polymers via stereolithography process
Choong, Y. Y. C. (2018) · doi:10.32657/10356/75861 · Cited by 2 · see citing works
Magnetic field-induced nonlinear vibration in large-deformation shape memory polymer cosserat rods
Ahari, M. F., Mirsayar, M. M., & Jha, R. (2025) · Smart Materials and Structures · doi:10.1088/1361-665x/ae20d9 · Cited by 1 · see citing works
Multi-trigger nechanism with shape memory polymer nanocomposite
Carrell, J. (2012) · ThinkTech (Texas Tech University)
Mahajan, U. R., & Mhaske, S. T. (2022) · Gels horizons: from science to smart materials · doi:10.1007/978-981-16-5237-0_6
- Authors
- Vialle, G., Di Prima, M., Hocking, E., Gall, K., Garmestani, H., Sanderson, T., & Arzberger, S. C.
- Affiliations
- Georgia Institute of Technology (US)
- Raytheon (United States) (US)
- Composite Technology Development (United States) (US)
- Venue
- Smart Materials and Structures
- Publisher
- IOP Publishing
- Published
- 2009-09-15
- Volume
- 18
- Issue
- 11
- Pages
- 115014
- ISSN
- 0964-1726 (ISSN-L)
- 1361-665X
- OpenAlex
- W2061037723
- Cited by
- 59
- References
- 29
- Citations by year
- 2025: 4 · 2024: 3 · 2023: 2 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 3 · 2018: 4 · 2017: 7 · 2016: 5 · 2015: 2 · 2014: 3 · 2013: 6 · 2012: 3
- FWCI
- 9.35
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Smart Materials and Structures (publishedVersion)
- Funders
- Air Force Research Laboratory
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Physical Sciences › Engineering › Biomedical Engineering › Dielectric materials and actuators
- Keywords
- shape memory polymer foam, nanomagnetite, magnetic fillers, induction heating, filler content, heat transfer, thermomechanical properties, smart packaging
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