| Title |
A Study on Pore Structure and Mechanical Properties of Porous Titanium Fabricated by Three-dimensional Layer Manufacturing Process |
| Authors |
손병휘(Byoung Hwi Son); 홍재근(Jae Geun Hong); 현용택(Yong Taek Hyun); 배석천(Seok Choun Bae); 김승언(Seung Eon Kim) |
| DOI |
https://doi.org/10.3365/KJMM.2012.50.2.100 |
| ISSN |
1738-8228(ISSN), 2288-8241(eISSN) |
| Keywords |
foams; sintering; mechanical properties; compression test; porous titanium |
| Abstract |
This study was performed to fabricate porous titanium foam by three-dimensional layer manufacturing process, and to evaluate the porosities, compressive stress, Young`s modulus and fracture pattern. Porous titanium foam was made of CP(Commercial Pure) titanium powder (≤5 ㎛). Total porosities of titanium foam were in the range of 55-68%. Pore size distribution was 200-440 ㎛ for coarse pores, 50-100 ㎛ for intermediate pores and 5-10 ㎛ for fine pores. Compression elastic modulus and compression stress were decreased with increasing porosity. Young`s modulus ranged from 1.04-5.62 GPa and maximum stress ranged from 20-241 MPa. Regarding the mechanical properties, 3D(Three Demensional) porous titanium fabricated layer manufacturing is a promising material for human bone replacement. |