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KMID : 1137820220430020116
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의공학회지
2022 Volume.43 No. 2 p.116 ~ p.123
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Mechanical Properties Characteristics according to Heat Treatment Conditions of Medical Bone Plates by 3D Printing
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Jung Hyun-Woo
Park Sung-Jun
Woo Su-Heon
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Abstract
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This study analyzes the Mechanical properties of a medical bone plate by 3D printing. With the recent development of 3D printing technology, it is being applied in various fields. In particular, in the medical field, the use of 3D printing technology, which was limited to the existing orthosis and surgical simulation, has recently been used to replacement bones lost due to orthopedic implants using metal 3D printing. The field of application is increasing, such as replacement. However, due to the manufacturing characteristics of 3D printing, micro pores are generated inside the metal printing output, and it is necessary to reduce the pores and the loss of mechanical properties through post-processing such as heat treatment. Accordingly, the purpose of this study is to analyze the change in mechanical performance characteristics of medical metal plates manufactured by metal 3D printing under various conditions and to find efficient metal printing results. The specimen to be used in the experiment is a metal plate for trauma fixation applied to the human phalanx, and it was manufactured using the ‘DMP Flex 100(3D Systems, USA), a metal 3D printer of DMLS (Direct Metal Laser Sintering) method. It was manufactured using the PBF(Powder Bed Fusion) method using Ti6Al4V ELI powder material.
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KEYWORD
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3D Printing, Additive manufacturing, Implants, Bone plate, Heat treatment
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