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This study highlights the demand for low-cost and high accuracy products through the design and development of new 3D printing technologies. Besides, signiﬁcant progress…
This study highlights the demand for low-cost and high accuracy products through the design and development of new 3D printing technologies. Besides, signiﬁcant progress has been made in this ﬁeld. A comparative study helps to understand the latest development in materials and future prospect of this technology.
Nevertheless, a large amount of progress still remains to be made. While some of the works have focused on the performances of the materials, the rest have focused on the development of new methods and techniques in additive manufacturing.
This paper critically evaluates the current 3D printing technologies, including the development and optimizations made to the printing methods, as well as the printed objects. Meanwhile, previous developments in this area and contributions to the modern trend in manufacturing technology are summarized briefly.
The paper can be summarized in three sections. Firstly, the existing printing methods along with the frequently used printing materials, as well as the processing parameters, and the factors which influence the quality and mechanical performances of the printed objects are discussed. Secondly, the optimization techniques, such as topology, shape, structure and mechanical property, are described. Thirdly, the latest development and applications of additive manufacturing are depicted, and the scope of future research in the relevant area is put forward.