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Additive manufacturing landscape and materials perspective in 4D printing
Muhammad Imran Farid1, Wenzheng Wu1, Xilin Liu1
1Advanced Materials Additive Manufacturing Lab ((AM)2), School of Mechanical and Aerospace Engineering, Jilin University, Changchun, Jilin, 130025 China.
The International Journal, Advanced Manufacturing Technology
|June 7, 2021
Summary
4D printing uses smart materials to create responsive products on commercial 3D printers. This review explores shape-shifting mechanisms and future applications for shape-memory materials (SMMs) and shape-memory alloys (SMAs).
Area of Science:
- Materials Science
- Engineering
- Additive Manufacturing
Background:
- 4D printing leverages stimuli-responsive materials to create dynamic products.
- Advances in smart material performance and additive manufacturing processes are crucial.
- Existing research focuses on new strategies and process improvements.
Purpose of the Study:
- To review material arrangements and mechanisms in 4D printing.
- To highlight structural evolution, deformation behavior, and implementation of 4D printed materials.
- To explore prospective applications of shape-memory materials (SMMs) and shape-memory alloys (SMAs).
Main Methods:
- Review of literature on 4D printing concepts and workflows.
- Analysis of structural evolvement mechanisms and deformation behavior.
- Examination of single and multiple material mechanisms for shape-shifting.
Main Results:
- Discussion of 4D printing for shape-memory materials (SMMs).
- Review of self-fitting wearables based on shape-memory alloys (SMAs).
- Summary of single and multiple material capabilities for shape-shifting.
Conclusions:
- 4D printing offers potential for smart materials in applications like wearables and transforming food.
- Future directions include realizing "dream it and make it feasible" technologies.
- Advancements in smart materials will drive sector-wise development in 4D printing.
