Microstructure characterization of high‐pressure induced texture in fully densified zirconium diboride ceramics
Journal of the American Ceramic Society(2022)
摘要
Fully dense oriented monolithic zirconium diboride (ZrB2) ceramics with fiber texture were fabricated using high-pressure spark plasma sintering. The fiber texture is proposed to be triggered by grain rotation, as (0001) <112 over bar 0$11\bar{2}0$> basal ⟨a⟩$\langle a\rangle $ slip of ZrB2 was activated during sintering. The high temperature, uniaxial high pressure, and uniform starting particles play a vital role in the texture formation of ZrB2 ceramics. The result provides visible evidence for the occurrence of plastic deformation during high-pressure-assisted sintering.
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关键词
plastic deformation, spark plasma sintering, texture, uniaxial high pressure, zirconium diboride
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