Characterization of microstructure and compressive deformation behavior of reinforced porous poly(L-lactide)

Joo Eon Park, Mitsugu Todo

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

Novel reinforcements such as beam, film, and porous frame were developed to improve the mechanical properties of poly(L-lactide) (PLLA) scaffolds. A solid-liquid phase separation method was used to fabricate porous structures such as core portions and porous frame of reinforced scaffolds. The beam and film reinforcements were also fabricated from PLLA pellets by applying the thermal-press technique. In the standard scaffold, the localized deformation was characterized as buckling of the pore structures. On the contrary, the primary microstructural deformation mechanism in the beam and the film reinforced scaffolds was characterized as buckling deformation and interfacial failure of the matrix and the reinforcement respectively. It is also seen that the inner porous structure could maintain the initial structure without local buckling of the pore structure. The compressive mechanical properties of the reinforced scaffolds were dramatically improved by about 2 - 5 times compared to the standard scaffold.

本文言語英語
ホスト出版物のタイトルMulti-Functional Materials and Structures III
ページ303-306
ページ数4
DOI
出版ステータス出版済み - 2010
イベント3rd International Conference on Multi-Functional Materials and Structures, MFMS 2010 - Jeonju, 大韓民国
継続期間: 9 14 20109 18 2010

出版物シリーズ

名前Advanced Materials Research
123-125
ISSN(印刷版)1022-6680

その他

その他3rd International Conference on Multi-Functional Materials and Structures, MFMS 2010
国/地域大韓民国
CityJeonju
Period9/14/109/18/10

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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