Results 31 to 40 of about 477,103 (285)

Biomaterials-based additive manufacturing for customized bioengineering in management of otolaryngology: a comprehensive review

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
Three-dimensional (3D)/four-dimensional (4D) printing, also known as additive manufacturing or fast prototyping, is a manufacturing technique that uses a digital model to generate a 3D/4D solid product.
Jigar Vyas   +4 more
doaj   +1 more source

4D Printing of Hydrogels: Innovation in Material Design and Emerging Smart Systems for Drug Delivery

open access: yes, 2022
Advancements in the material design of smart hydrogels have transformed the way therapeutic agents are encapsulated and released in biological environments. On the other hand, the expeditious development of 3D printing technologies has revolutionized the
Mettu, Srinivas   +9 more
core   +1 more source

Residual force and deformation measurement in FDM 4D printing

open access: yes, 2023
In FDM 4D printing, residual stresses are purposely introduce into a structure by controlling the print parameters. The residual stress introduction can be interpreted as the programming step of the shape memory cycle.
Mahlstedt, Dominik, Cerbe, Ferdinand
core   +1 more source

Mechanics-based design strategies for 4D printing: A review

open access: yesForces in Mechanics, 2022
Four-dimensional (4D) printing is an emerging technology that aims to endow the additive manufactured objects with the capability of time-dependent transformation.
Chao Yuan, Tongqing Lu, T.J. Wang
doaj   +1 more source

3D and 4D Printing of Multistable Structures

open access: yesApplied Sciences, 2020
Three-dimensional (3D) printing is a new paradigm in customized manufacturing and allows the fabrication of complex structures that are difficult to realize with other conventional methods. Four-dimensional (4D) printing adds active, responsive functions
Hoon Yeub Jeong   +5 more
doaj   +1 more source

4D Printing Self-Morphing Structures [PDF]

open access: yesMaterials, 2019
The main objective of this paper is to introduce complex structures with self-bending/morphing/rolling features fabricated by 4D printing technology, and replicate their thermo-mechanical behaviors using a simple computational tool. Fused deposition modeling (FDM) is implemented to fabricate adaptive composite structures with performance-driven ...
Mahdi Bodaghi   +4 more
openaire   +4 more sources

New possibilities with 4D printing - why now is an attractive point in time

open access: yes, 2022
Four-dimensional (4D) printing is a technology that enables material functions to be introduced into components in an additive manufacturing (AM) process.
Ziervogel, Fabian   +3 more
core   +1 more source

Shape-reversible 4D printing aided by shape memory alloys

open access: yes, 2022
Four-dimensional (4D) printed structures fabricated from shape memory polymers (SMPs) are typically one-way actuators, that is, for each actuation cycle, they must be programmed to deform from the original (as-printed) shape to a secondary (programmed ...
Ge, Qi   +9 more
core   +1 more source

Four-Dimensional (4D) Printing of Dynamic Foods—Definitions, Considerations, and Current Scientific Status

open access: yesFoods, 2023
Since its conception, the application of 3D printing in the structuring of food materials has been focused on the processing of novel material formulations and customized textures for innovative food applications, such as personalized nutrition and full ...
Ahmed Raouf Fahmy   +2 more
doaj   +1 more source

Developments in 4D-printing: a review on current smart materials, technologies, and applications

open access: yesInternational Journal of Smart and Nano Materials, 2019
Recent advances in additive manufacturing (AM), commonly known as three-dimensional (3D)-printing, have allowed researchers to create complex shapes previously impossible using traditional fabrication methods.
Zhizhou Zhang   +2 more
doaj   +1 more source

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