2023
DOI: 10.1177/1045389x231167797
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4D printing of hard magnetic soft materials based on NdFeB particles

Abstract: Magnetic soft materials (MSM) show excellent potential in soft robotics, biomedicine, and sensors because of their excellent magnetic response, reversible deformation, and controlled motion. A hard magnetic soft material (HASM) that can be obtained by adding hard magnetic particles to a soft material matrix. By programing the spatial magnetization profile of the HASM object and manipulating the driving magnetic field, it exhibits excellent shape manipulation performance with unconstrained, reversible deformati… Show more

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Cited by 4 publications
(6 citation statements)
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“…Our NdFeB–SIS-based MSMs demonstrate the best stretchable behavior among the printed MSMs reported to date (Figure S4). , The compression test was conducted with 4D printed cylindrical MSMs (diameter of 12.7 mm and height of 5 mm). The specimen was compressed to a strain of 70% at 11 MPa (Figure S5).…”
Section: Resultsmentioning
confidence: 99%
“…Our NdFeB–SIS-based MSMs demonstrate the best stretchable behavior among the printed MSMs reported to date (Figure S4). , The compression test was conducted with 4D printed cylindrical MSMs (diameter of 12.7 mm and height of 5 mm). The specimen was compressed to a strain of 70% at 11 MPa (Figure S5).…”
Section: Resultsmentioning
confidence: 99%
“…Stepanov et al [248] studied the magneto-rheological behavior of silicone polymer embedded with NdFeB particles and characterized the materials' damping behavior. Following this, several studies have extensively characterized hMSMs, covering their rheological, mechanical, and magneto-mechanical properties under various loading conditions [180,[249][250][251]. The magneto-mechanical characterization by Da Veiga et al [252] analyzes the effect of particle concentration, stiffness, and magnetic field intensity on the hMSMs.…”
Section: Magneto-mechanical Characterizationmentioning
confidence: 99%
“…Recent advancements in additive manufacturing have led to the development of innovative techniques like 4D printing for producing hMSMs [179][180][181]. 4D printing goes beyond traditional 3D printing by incorporating the dimension of time, allowing the printed structures to change shape and/or behavior over time in response to external stimuli [182,183].…”
Section: Other Techniquesmentioning
confidence: 99%
“…Especially, our recent work report an amphiphilic hydrogel containing both hydrophilic and hydrophobic groups [ 12 ], making the micro/nano 4D products respond to various stimuli rather than simple humidity. The hydrogels/polymers are also ideal soft carriers of magnetic nanoparticles [ 35 , 44 , 45 , 46 ], mechanics-reinforced carbon nanotubes [ 24 ], photon-sensitive fillers, drug particles, or electrically conductive dopants. Using these advantages, the cross-linked network can generate responsiveness under small loading of environmental stimuli, such as temperature, magnetic field, electric field, or multiple stimuli.…”
Section: Micro/nanoscale Laser 4d Additive Manufacturing With Smart M...mentioning
confidence: 99%
“…Numerous current works emphasize the programming strategies of 4DM/NR biomimetic function [ 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 ], allowing the artificially made 4DM/NRs to realize high-level motions beyond nature. To spatiotemporally program reverse 4D behaviors, the shape-programming strategy is crucially important and not inferior to structural design or smart materials.…”
Section: Shape Programming Strategies By Ultrafine Nanostructuresmentioning
confidence: 99%