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한국생산제조학회 학술지 영문 홈페이지
[ Technical Papers ]
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 29, No. 2, pp.147-154
ISSN: 2508-5107 (Online)
Print publication date 15 Apr 2020
Received 31 Dec 2019 Revised 28 Feb 2020 Accepted 09 Mar 2020
DOI: https://doi.org/10.7735/ksmte.2020.29.2.147

EBM 적층제조 방식으로 제조된 요골 금속판의 기계, 물리적 특성 분석

임권묵a ; 박성준a, *
Mechanical and Physical Characteristics Analysis of Radius Trauma Plate by EBM Additive Manufacturing
Kwun-Mook Lima ; Sung-Jun Parka, *
aGraduate School of Mechanical Engineering, Korea National University of Transportation

Correspondence to: *Tel.: +82-43-849-5130 E-mail address: park@ut.ac.kr (Sung-Jun Park).

Abstract

This study analyzes the mechanical and physical characteristics of a metal plate manufactured by 3D printing and machining. We performed static and dynamic three-point bending tests, measured the surface roughness and hardness, and determined the presence of internals defect through computed tomography. The results of static and dynamic three-point bending tests showed good and poor performance of the plate manufactured by 3D printing, respectively. In conclusion, although good results were obtained in terms of static hardness of the plate manufactured by 3D printing, a weaker result was obtained under the condition of repeated loading. Thus, it is considered that heat treatment is needed for the plate design to be compatible with 3D printing-manufacturing with sufficient endurance for repeated loading.

Keywords:

Additive manufacturing, Trauma plate, Electron beam melting, 3D printing, Titanium

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