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Formula: ZrO₂/Y₂O₃
Form: Nut
Material: Zirconium Oxide
CAS Number: 114168-16-0
Commodity: Ceramics
Size: M2
Standard: ASME B18.2.4.1M-2002 (R2007)
Pitch: 0.4mm

Yttria-stabilized Zirconia Nut

Yttria Stabilised Zirconia (YSZ) Nut offers exceptional hardness, thermal stability, and resistance to chemical corrosion, making it ideal for fastening applications in demanding environments. Yttria addition stabilizes the zirconia phase, preventing degradation under heat or stress. Industries including chemical engineering, aerospace, and electronics employ YSZ nuts in secure assemblies requiring ceramic fasteners. Specific applications include chemically inert fastenings in corrosive fluid systems, non-magnetic fasteners in aerospace sensor housings, and high-temperature fixtures in semiconductor processing. In research, YSZ nuts are investigated for load-bearing stability, ion conductivity, and compatibility with next-generation ceramic composites. Their reliability in chemically aggressive and thermally extreme environments ensures continuing importance in high-performance engineering and scientific systems.
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Tolerances

Nut
Size See Item

Material Properties for Ceramics

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

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