Effect of mixing process on the fracture behavior of HA/PLLA composite material

Sang Dae Park, Mitsugu Todo, Kazuo Arakawa, Yasuharu Takenoshita

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Effect of mixing process on the fracture behavior of HA/PLLA Composites were investigated. Fracture toughness values of HA/PLLA composites prepared under different mixing time and rotor speed were measured. The fracture surface morphology was also examined by scanning electron microscopy. It was found that the fracture toughness of HA/PLLA composite decreases due to decrease of ductile deformation of PLLA matrix and debonding of interfaces with increase of the rotor speed and mixing time. Effect of mixing process on neat PLLA was also assessed, and it was found that the fracture toughness of PLLA decreases due to such pocess. Disappearance of multiple craze formation and thermal degradation were found to be the primary mechanisms of the toughness degradation.

Original languageEnglish
Pages (from-to)2453-2458
Number of pages6
JournalKey Engineering Materials
Volume297-300 IV
Publication statusPublished - Dec 1 2005

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Fracture toughness
Composite materials
Rotors
Debonding
Toughness
Surface morphology
Pyrolysis
Degradation
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Park, S. D., Todo, M., Arakawa, K., & Takenoshita, Y. (2005). Effect of mixing process on the fracture behavior of HA/PLLA composite material. Key Engineering Materials, 297-300 IV, 2453-2458.

Effect of mixing process on the fracture behavior of HA/PLLA composite material. / Park, Sang Dae; Todo, Mitsugu; Arakawa, Kazuo; Takenoshita, Yasuharu.

In: Key Engineering Materials, Vol. 297-300 IV, 01.12.2005, p. 2453-2458.

Research output: Contribution to journalArticle

Park, SD, Todo, M, Arakawa, K & Takenoshita, Y 2005, 'Effect of mixing process on the fracture behavior of HA/PLLA composite material', Key Engineering Materials, vol. 297-300 IV, pp. 2453-2458.
Park, Sang Dae ; Todo, Mitsugu ; Arakawa, Kazuo ; Takenoshita, Yasuharu. / Effect of mixing process on the fracture behavior of HA/PLLA composite material. In: Key Engineering Materials. 2005 ; Vol. 297-300 IV. pp. 2453-2458.
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