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- Space holder 방법으로 제조된 다공질 타이타늄의 기계적 성질에 대한 Computed-Tomography를 이용한 유한요소해석
- 이동준, 안동현, 이병갑, 정지원, 오상호, 이종수, 김형섭
- Tomography-based Finite Element Analysis for the Mechanical Behavior of Porous Titanium Manufactured by a Space Holder Method
- Dong Jun Lee, Dong-Hyun Ahn, Byounggab Lee, Jiwon Jeong, Sang Ho Oh, Chong Soo Lee, Hyoung Seop Kim
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Journal of Korean Powder Metallurgy Institute 2013;20(5):350-354
DOI: https://doi.org/10.4150/KPMI.2013.20.5.350
1포항공과대학교 신소재공학과
2포항공과대학교 신소재공학과
3포항공과대학교 신소재공학과
4포항공과대학교 신소재공학과
5포항공과대학교 신소재공학과
6포항공과대학교 신소재공학과
7포항공과대학교 신소재공학과
1Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
2Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
3Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
4Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
5Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
6Department of Materials Science and Engi
2포항공과대학교 신소재공학과
3포항공과대학교 신소재공학과
4포항공과대학교 신소재공학과
5포항공과대학교 신소재공학과
6포항공과대학교 신소재공학과
7포항공과대학교 신소재공학과
1Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
2Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
3Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
4Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
5Department of Materials Science and Engineering, Pohang University of Science and Technology (POSTECH)
6Department of Materials Science and Engi
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Abstract
In this study, porous titanium samples were manufactured by space holder methods using two kinds of urea and sodium chloride space holders. Three-dimensional pore structures were obtained by a computed-tomography (CT) technique and utilized for finite element analysis in order to investigate the mechanical properties. The CT-based finite element analyses were in better agreement with the experimental results than unit cell model-based analyses. Both the experimental and CT-based results showed the same tendency that the elastic modulus decreased with increasing the porosities. The total porosity of the bulk body plays a key role in determining the elastic modulus of porous materials.
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