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464228

Yttria stabilized zirconia

Name: Yttria stabilized zirconia
Brand: ALDRICH

submicron powder, 99.9% trace metals basis (purity excludes ~2% HfO₂)

Synonym(s):

Zirconium(IV) oxide-yttria stabilized, YSZ, Yttria stabilized zirconia, Yttrium stabilized zirconium oxide

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About This Item

Linear Formula:

ZrO_{2 ·}Y₂O₃

CAS Number:

114168-16-0

Molecular Weight:

349.03

UNSPSC Code:

26111700

PubChem Substance ID:

329757174

NACRES:

NA.23

MDL number:

MFCD00145546

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Properties

Product Name

Zirconium(IV) oxide-yttria stabilized, submicron powder, 99.9% trace metals basis (purity excludes ~2% HfO₂)

Quality Level

100

assay

99.9% trace metals basis (purity excludes ~2% HfO₂)

form

submicron powder

contains

~8 wt. % yttria as stabilizer

reaction suitability

core: zirconium

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surface area

5.0-9.0 m²/g

particle size

~700 nm

mp

>2,600 °C (lit.)

density

>5.95 g/cm³ (when sintered at 1450º C for 4 hours)

greener alternative category

, Enabling

SMILES string

O=[Zr]=O.O=[Y]O[Y]=O

InChI

1S/5O.2Y.Zr

InChI key

KSTOPEBVPBSOTK-UHFFFAOYSA-N

Description

General description

Yttria stabilized zirconia (YSZ) is the most commonly used solid electrolyte for solid oxide fuel cells (SOFCs) and oxygen sensors. YSZ exhibits high oxygen-ionic conductivity while blocking electronic conduction. YSZ particles may be synthesized from yttrium nitrate or isopropoxide by the sol gel method. YSZ nanoparticles may be prepared in supercritical water (SCW). YSZ nanoparticles of different sizes with varying % mol of yttria may be obtained by CO₂ laser based continuous/pulsed laser vaporization method.

Zirconium(IV) oxide-yttria stabilized (YSZ) (submicron powder) is an oxygen ion conductor with properties such as good ionic conductivity and high physiochemical stability. Its other properties include excellent shock resistance, low thermal conductivity and a high coefficient of thermal expansion.

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Application

Collagen-yttria-stabilized amorphous zirconia hybrid scaffolds may be developed. YSZ thin films may be used as thermal barrier coatings on combustors, stationary and rotating components of gas turbines or diesel engines. 6

YSZ can be used for a variety of applications such as:

a thermal barrier coating for the protection and insulation of metal components in gas turbines
an electrolyte in the fabrication of solid oxide fuel cells (SOFCs)
in the fabrication of zirconia dental implant abutments
membranes for micro energy conversion devices
a solid acid and a catalyst for catalytic applications

Electrolyte material for solid oxide fuel cells (SOFC).

Packaging

Packaged in glass bottles

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pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Articles

Advances in Materials for Solid Oxide Fuel Cells

As with all types of fuel cells, a Solid Oxide Fuel Cell (SOFC) is capable of efficiently transforming chemical energy into electrical energy.

Zigzag or spiral-shaped nanostructures improve mechanical stability in yttria-stabilized zirconia membranes for micro-energy conversion devices

Shi Y, et al.

Nano Energy, 59(1), 674-682 (2019)

Fracture resistance of yttria-stabilized zirconia dental implant abutments

Adatia ND, et al.

Journal of Prosthodontics : Official Journal of the American College of Prosthodontists, 18(1), 17-22 (2009)

Confined Transformation of UiO-66 Nanocrystals to Yttria-Stabilized Zirconia with Hierarchical Pore Structures for Catalytic Applications

Qin R and Zeng H

Advances in Functional Materials, 29(39), 1903264-1903264 (2019)

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Global Trade Item Number

SKU	GTIN
464228-500G	04061832356037
464228-100G	04061832356013