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Masuda, Hiroshi

Morita, Koji

Nambu, Kohta

Yamamoto, Takahisa

Yoshida, Hidehiro

English

Engineering Conferences International

ATHERMALLY ENHANCED HIGH TEMPERATURE PLASTIC FLOW IN ZIRCONIA CERAMICS  UNDER FLASH EVENT  Hidehiro Yoshida, Department of Materials Science and Engineering, The University of Tokyo hyoshida@material.t.u-tokyo.ac.jp Kohta Nambu, Kyushu University Hiroshi Masuda, The University of Tokyo Koji Morita, National Institute for Materials Science Takahisa Yamamoto, Nagoya University   Key Words: ZrO2, creep, grain boundary, diffusion.   We have experimentally demonstrated that high-temperature superplastic flow in densified, fine-grained tetragonal zirconia polycrystal is highly enhanced by flash event. The flash event accelerates the cation diffusion in an athermal manner, leading to a decrease in the flow stress and acceleration of deformation speed. This process can also be applied to ceramic-to-ceramic self-joining.  

Athermally Enhanced High Temperature Plastic Flow in Zirconia Ceramics under Flash Event

https://dc.engconfintl.org/cgi/viewcontent.cgi?filename=0&article=1003&context=efe_advancedmaterials_iii&type=additional

Athermally Enhanced High Temperature Plastic Flow in Zirconia Ceramics under Flash Event

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Engineering Conferences International