Mechanical properties of composites of alumina and partially stabilized zirconia
β Scribed by T. Sornakumar; V. E. Annamalai; R. Krishnamurthy; C. V. Gokularathnam
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 244 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0261-8028
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Yttrium-oxide-partially-stabilized zirconia (YPSZ) belongs to a new class of ceramics exhibiting an improved toughness when compared to alumina. The toughening mechanism is related to a martensitic-like transformation of tetragonal metastable grains into a monoclinic state occurring at the crack tip
High-temperature plastic deformation of laminar composites containing alternate layers of Al 2 O 3 and a mixture of 60 vol.% Al 2 O 3 + 40 vol.% 3 mol% Y 2 O 3 -stabilized tetragonal ZrO 2 (ZTA) produced by tape casting is investigated in isostrain compression testing at temperatures between 1400 an