期刊
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
卷 4, 期 3, 页码 349-357出版社
KOREAN SOC PRECISION ENG
DOI: 10.1007/s40684-017-0040-z
关键词
3D printing; 4D printing; Shape memory effect; Shape memory polymer
资金
- National Research Foundation of Korea (NRF) grant - Korea government (MSIP) [2010-0018289]
- National Research Foundation of Korea [2010-0018289] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Since its introduction, the 3D printing technology has been widely used in fields such as design, rapid prototyping, and biomedical devices, owing to its advantages of inexpensive, facile embodiment of computer 3D files into physical objects. Later, 4D printing was introduced by adding the temporal dimension to 3D. Stimuli such as heat, humidity, pH, and light trigger the actuation of printed objects without motors or wires. Smart materials that respond to external stimuli are good candidates for 4D printing. In this paper; we review the recent. research on 4D printing, and categorize it with respect to the activating stimuli. The mechanical properties of 4D printing materials are mentioned as well. Finally, the future of 4D printing is discussed.
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