Tetragonal polycrystalline zirconia

由 RC Garvie 著作 · 1965 · 被引用 1969 次 — The Occurrence of Metastable Tetragonal Zirconia as a Crystallite Size Effect · Article Views · Altmetric · Citations · Cited By · Partners · About · Resources ...

The tetragonal form is stable between 1170 and 2370°C. At temperatures above 2370°C, zirconium takes a cubic crystal structure. A reversible T-M transformation ...

ZrO₂ crystallizes in the tetragonal P4₂/nmc space group. Zr⁴⁺ is bonded in a distorted body-centered cubic geometry to eight equivalent O²⁻ atoms.

由 J Chevalier 著作 · 2009 · 被引用 1783 次 — The conceptual idea being that oxygen over- crowding around the small zirconium Zr41 cation is responsible for the poor stability of undoped tetragonal zirconia ...

TT is an induced transformation of the tetragonal phase into the monoclinic phase caused by the exposure to crack stress energy. The grains that constitute the ...

2023年2月17日 — Tetragonal zirconia polycrystal (TZP) is commonly stabilized with 3% to 5% Yttria and has the finest grain size.

These grades exhibit the highest toughness at room temperature, because they are nearly 100% tetragonal, but this degrades severely between 200 and 500 °C as ...

Cubic Zirconia: This single crystal optically clear form of ZrO2 has a relatively low fracture toughness and strength, but very high thermal shock resistance.