Brownian motion analysis of grain trajectories during superplastic deformation of TZP ceramics

Taku Okamoto; Kouichi Yasuda; Tadashi Shiota

doi:10.1299/kikaia.76.680

Brownian motion analysis of grain trajectories during superplastic deformation of TZP ceramics

Taku Okamoto, Kouichi Yasuda, Tadashi Shiota

研究成果 › 査読

抄録

This study focuses on grain motion in TZP (Tetragonal Zirconia Polycrystal) ceramics during superplastic deformation. The zigzag motion of grains was found in experimental data and analyzed statistically based on Brownian motion. At the beginning of deformation, constraint by surrounding grains is widely distributed, however, it becomes spatially uniform after 15% true plastic strain.

本文言語	English
ページ（範囲）	680-681
ページ数	2
ジャーナル	Nihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
巻	76
号	766
DOI	https://doi.org/10.1299/kikaia.76.680
出版ステータス	Published - 6月 2010
外部発表	はい

ASJC Scopus subject areas

材料科学（全般）
材料力学
機械工学

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10.1299/kikaia.76.680

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abstract = "This study focuses on grain motion in TZP (Tetragonal Zirconia Polycrystal) ceramics during superplastic deformation. The zigzag motion of grains was found in experimental data and analyzed statistically based on Brownian motion. At the beginning of deformation, constraint by surrounding grains is widely distributed, however, it becomes spatially uniform after 15% true plastic strain.",

keywords = "Deformation mechanism, Displacement vector, Grain kinematics, Random walk, Superplastic deformation, TZP, Trajectory",

author = "Taku Okamoto and Kouichi Yasuda and Tadashi Shiota",

year = "2010",

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doi = "10.1299/kikaia.76.680",

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AU - Okamoto, Taku

AU - Yasuda, Kouichi

AU - Shiota, Tadashi

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N2 - This study focuses on grain motion in TZP (Tetragonal Zirconia Polycrystal) ceramics during superplastic deformation. The zigzag motion of grains was found in experimental data and analyzed statistically based on Brownian motion. At the beginning of deformation, constraint by surrounding grains is widely distributed, however, it becomes spatially uniform after 15% true plastic strain.

AB - This study focuses on grain motion in TZP (Tetragonal Zirconia Polycrystal) ceramics during superplastic deformation. The zigzag motion of grains was found in experimental data and analyzed statistically based on Brownian motion. At the beginning of deformation, constraint by surrounding grains is widely distributed, however, it becomes spatially uniform after 15% true plastic strain.

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KW - Displacement vector

KW - Grain kinematics

KW - Random walk

KW - Superplastic deformation

KW - TZP

KW - Trajectory

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Brownian motion analysis of grain trajectories during superplastic deformation of TZP ceramics

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