National Institute of Advanced Industrial Science and Technology (AIST) This page is a page of the former research institute. We stopped updating on March 31.2001.
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Hiroshi Ogawa, Dr. Eng.

Superplastic Nano-Science Lab., Structure Formation Process Dept.

National Industrial Research Institute of Nagoya (NIRIN), AIST

Main Research Projects

1. Fundamental study on the material design by computer simulation (1995-6).

2. Molecular simulation of microscopic dynamics at the ceramic grain boundary (1996-7).

FIGURES: Simulated G.B. structure (left), deformation under the tensile stress (right).

Recent Publication

  1. "A molecular dynamics study on the high temperature deformation of zirconia polycrystals", Adv. Mater. Res., (1997) in press.
  2. "High temperature deformation of ceramics simulated by molecular dynamics", Mater. Sci. Forum, 243-5 (1997) 351-6.
  3. "Amorphous grain boundary in superplastic ceramics", Mater. Sci. Forum, 243-5 (1997) 337-346.
  4. "Ceramics superplasticity: Deformation mechanisms and microstructures", Mater. Characteriz., 37 (1996) 331-341.
  5. "Molecular dynamics simulation on the grain boundary structure of polycrystalline zirconia", Trans. MRS-J, 20 (1996) 807-810.
  6. "Molecular dynamics simulation of the model grain boundary structure of polycrystalline materials", Mol. Simul., 18 (1996) 179-192.

Recent Japanese Publication

  1. "Hoover: Molecular dynamics" (Japanese translation), Kyoritsu, Tokyo, (1997) in press.
  2. "Molecular dynamics simulation of ceramic polycrystals", Fine Ceram. Rep., 15 (1997) 84-88.
  3. "Molecular dynamics study of zirconia II: Oxygen diffusion in polycrystals", Rep. Natl. Indust. Res. Inst. Nagoya, 46 (1997) 135-140.
  4. "Molecular dynamics study of zirconia I: Single crystal model and diffusion of oxide ion", Rep. Natl. Indust. Res. Inst. Nagoya, 46 (1997) 127-134.
  5. "A molecular dynamics study of high-temperature deformation and fracture of a model zirconia polycrystal", Rep. Natl. Indust. Res. Inst. Nagoya, 45 (1996) 639-646.