Khan, Fraz and Celik, H Kursat and Oral, Okan and Rennie, Allan Edward Watson (2018) A Short Review on 4D Printing. In: 3rd International Congress on 3D Printing (Additive Manufacturing) Technologies and Digital Industry 2018 :. UNSPECIFIED, TUR, pp. 199-203. ISBN 9789759679729
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Abstract
Additive Manufacturing can be described as a process to build 3D objects by adding layer-upon-layer of material, the material traditionally being plastics, metals or ceramics, however ‘smart’ materials are now in use. Nowadays, the term “3D Printing” has become a much-used synonym for additive manufacturing. The use of computing, 3D solid modeling applications, layering materials and machine equipment is common to majority of additive manufacturing technologies. Advancing from this 3D printing technology, is an emerging trend for what is being termed “4D printing”. 4D printing places dependency on smart materials, the functionality of additive manufacturing machines and in ingenious design processes. Although many developments have been made, limitations are still very much in existence, particularly with regards to function and application. The objective of this short review is to discuss the developments, challenges and outlook for 4D printing technology. The review revealed that 4D printing technology has application potential but further research work will be vital for the future success of 4D printing.