Journal
VIRTUAL AND PHYSICAL PROTOTYPING
Volume 8, Issue 1, Pages 19-50Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17452759.2013.778175
Keywords
additive manufacturing; multiple material objects; multiple material additive manufacturing; 3D printing; rapid prototyping
Funding
- Engineering Sciences
- Faculty of Engineering and the Environment and the Environment, University of Southampton
- Invibio Ltd
- Royal Thai Government
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Interest in multifunctional structures made automatically from multiple materials poses a challenge for today's additive manufacturing (AM) technologies; however the ability to process multiple materials is a fundamental advantage to some AM technologies. The capability to fabricate multiple material parts can improve AM technologies by either optimising the mechanical properties of the parts or providing additional functions to the final parts. The objective of this paper is to give an overview on the current state of the art of multiple material AM technologies and their practical applications. In this paper, multiple material AM processes have been classified and the principles of the key processes have been reviewed comprehensively. The advantages and disadvantages of each process, recent progress, challenging technological obstacles, the possible strategies to overcome these barriers, and future trends are also discussed.
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