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논문 기본 정보

자료유형
학술저널
저자정보
Mengchen Mao (Xi’an University of Technology) Yufei Tang (Xi’an University of Technology) Kang Zhao (Xi’an University of Technology) Zihao Duan (Xi’an University of Technology) Cong Wu (Xi’an University of Technology)
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.25 No.2
발행연도
2019.1
수록면
508 - 515 (8page)

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초록· 키워드

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Porous titanium scaffolds with aligned lamellar pore channels and smooth inner walls were fabricated by directional freezecasting using aqueous TiH2slurries. The formation of dendrites was inhibited by increasing the TiH2content in slurry. Thepore structures and compression strengths of porous titanium scaffolds that were made with different solid contents werecharacterized. The formation mechanism of aligned lamellar pore channels and the reason for the improvement of compressionstrength were analyzed. With increasing TiH2content in slurry, the open porosity reduced from 38.57 to 29.03% whilelamellar spacing decreased. Young’s modulus was decreased with the increasing open porosity. Directional lamellar porechannels were obtained by controlling the TiH2content in slurry, which can reduce the number of branches and preventstress concentrations during compression. Also, the porous titanium scaffolds prepared by this process had a good biocompatibilitywith osteoblasts.

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