4D printing in biomedical engineering: Advancements, challenges, and future directions

M Ramezani, Z Mohd Ripin - Journal of functional biomaterials, 2023 - mdpi.com
4D printing has emerged as a transformative technology in the field of biomedical
engineering, offering the potential for dynamic, stimuli-responsive structures with …

[HTML][HTML] Advancing sustainable shape memory polymers through 4D printing of polylactic acid-polybutylene adipate terephthalate blends

D Rahmatabadi, M Khajepour, A Bayati… - European Polymer …, 2024 - Elsevier
One of the major challenges in 4D printed Shape Memory Polymers (SMPs) is their slow
response to thermal stimuli. Synthetic carbon fillers have been introduced to address this …

Recent progress in 4D printed energy-absorbing metamaterials and structures

CW Isaac, F Duddeck - Virtual and Physical Prototy**, 2023 - Taylor & Francis
The emergence of 4D printing from additive manufacturing has opened new frontiers in
crashworthiness application. Energy-absorbing structures with fixed geometrical shapes and …

4D printing of PLA-TPU blends: Effect of PLA concentration, loading mode, and programming temperature on the shape memory effect

D Rahmatabadi, I Ghasemi, M Baniassadi… - Journal of Materials …, 2023 - Springer
In this study, PLA-TPU blends with different component ratios were prepared and printed by
melt blending and fused deposition modeling (FDM), respectively. The shape memory effect …

Shape memory performance assessment of FDM 3D printed PLA-TPU composites by Box-Behnken response surface methodology

D Rahmatabadi, K Soltanmohammadi… - … International Journal of …, 2023 - Springer
In this paper, for the first time, the role of manufacturing parameters of fused deposition
modeling (FDM) on the shape memory effect (SME) is investigated by design of …

A novel practical method for the production of Functionally Graded Materials by varying exposure time via photo-curing 3D printing

MM Bazyar, SAAB Tabary, D Rahmatabdi… - Journal of Manufacturing …, 2023 - Elsevier
Abstract Functionally Graded Materials (FGMs) are one category of composites suitable for
situations requiring conflicting properties in one component. Due to the limitations of …

Mechanical properties, fractal dimension, and texture analysis of selected 3D-printed resins used in dentistry that underwent the compression test

A Paradowska-Stolarz, M Wieckiewicz, M Kozakiewicz… - Polymers, 2023 - mdpi.com
Three-dimensional printing is finding increasing applications in today's world. Due to the
accuracy and the possibility of rapid production, the CAD/CAM (computer-aided …

Additive manufacturing of polymer/Mg-based composites for porous tissue scaffolds

F Ali, SN Kalva, M Koç - Polymers, 2022 - mdpi.com
Due to their commercial availability, superior processability, and biocompatibility, polymers
are frequently used to build three-dimensional (3D) porous scaffolds. The main issues …

Shape recovery effect and energy absorption of reusable honeycomb structures

Y Liu, C Zhao, C Xu, J Ren - Composite Structures, 2025 - Elsevier
When using auxetic honeycomb structures to create repeatable energy-absorbing
components, a key challenge is selecting the appropriate unit configuration for effective …

Fabrication of gastro-floating famotidine tablets: hydroxypropyl methylcellulose-based semisolid extrusion 3D printing

HS Yang, DW Kim - Pharmaceutics, 2023 - mdpi.com
Semisolid extrusion (SSE) three-dimensional (3D) printing uses drug-loaded paste for the
printing process, which is capable of constructing intricate 3D structures. This research …