Grain size and grain boundary effects on the mechanical behavior of fully stabilized zirconia investigated by nanoindentation

Mechanical behavior of fully yttria stabilized zirconia (F-YSZ) was investigated by nanoindentation. The coarse- and fine-grained materials displayed similar reduced modulus and hardness. Clear pop-in was observed in coarse-grained F-YSZ, with the pop-in loads varying with grain orientation and dist...

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Bibliographic Details
Published inScripta materialia Vol. 56; no. 12; pp. 1095 - 1098
Main Authors Lian, Jie, Garay, Javier E., Wang, Junlan
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.06.2007
Subjects
Atomic structure
F-YSZ
Grain boundaries
Grain boundary effect
Grain size
Grain size effect
Hardness
Nanocrystals
Nanoindentation
Pop-in
Yttria stabilized zirconia
Zirconium dioxide
Grain size effect
Grain boundary effect
F-YSZ
Pop-in
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Summary:Mechanical behavior of fully yttria stabilized zirconia (F-YSZ) was investigated by nanoindentation. The coarse- and fine-grained materials displayed similar reduced modulus and hardness. Clear pop-in was observed in coarse-grained F-YSZ, with the pop-in loads varying with grain orientation and distance from the grain boundary. Pop-in was not clear in nanocrystalline F-YSZ. The lower hardness of the grain boundary and the similar hardness of the two grain-sized materials indicate an intrinsic atomic structure difference in the coarse- and fine-grained F-YSZ.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2007.02.027