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Yttria-stabilized Zirconia Washer

Available Configurations

Properties common to all products in this list

Composition: ZrO₂/Y₂O₃ Form: Washer Material: Zirconium Oxide CAS Number: 114168-16-0 Commodity: Ceramics Standard: ANSI B18.22M-1981, R1990 (Reg)
Yttria Stabilised Zirconia (YSZ) Washer offers the toughness, chemical stability, and thermal resistance of stabilized zirconia in a precise flat-ring geometry suited for high-performance fastening and sealing. Yttria additions prevent phase degradation, ensuring dimensional integrity at elevated temperatures. Industries including aerospace, chemical processing, and electronics employ YSZ washers in chemically inert seals, non-magnetic spacers, and insulating fixtures. Specific applications include insulating washers in high-voltage assemblies, chemically stable seals in corrosive fluid systems, and precision components in high-vacuum chambers. In research, YSZ washers are investigated for phase stability, ionic transport, and compatibility with novel electrode coatings. Their combination of resilience and insulating capability makes them vital in electrochemical, aerospace, and high-performance fastening technologies.
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Material Properties

Thermal Properties
Element Value
Melting point( C ) 2700
Upper continuous use temperature( C ) 2200
Specific heat( J K⁻¹ kg⁻¹ ) 400-500@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 2.5@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 10@20-1000°C
Physical Properties
Element Value
Density( gcm⁻³ ) 5.9
Mechanical Properties
Element Value
Tensile modulus( GPa ) 200
Hardness - Vickers( kgf mm⁻² ) 1250
Tensile strength( MPa ) 300-600
Pultrusions
Element Value
Compressive strength( MPa ) 2000
each

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Available Configurations

Properties common to all products in this list

Composition: ZrO₂/Y₂O₃ Form: Washer Material: Zirconium Oxide CAS Number: 114168-16-0 Commodity: Ceramics Standard: ANSI B18.22M-1981, R1990 (Reg)

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Tolerances

Washer
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