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Customised zirconia ceramic stracture parts for photovoltaic equipment

Zirconia ceramic 
1. High hardness: 
zirconia ceramics have high hardness and good wear resistance.

2. good high temperature resistance: 
zirconia ceramics have high high temperature resistance and can work for a long time in high temperature environment of 1200℃-1600℃.

3. excellent oxidation resistance: 
zirconia ceramics have good oxidation resistance in the air, not easy to have chemical reaction with oxygen.

4. High strength: 
zirconia ceramics have high flexural and tensile strength, and can withstand greater pressure.

5. good electrical insulation properties: 
zirconia ceramics have excellent electrical insulation properties, suitable for making electrical
  • 02A32

  • HaoRui

Zirconia ceramic workpiece production, processing and performance characteristics of zirconia ceramic workpiece material deformation is very small, there is higher than the strength of the metal, the ordinary condition of the ceramic spool material constitutes the crystal ionic radius is small, and the ionic valence of the high coordination number is also relatively large. These properties determine the ceramic spool material tensile strength, compressive strength, modulus of elasticity, hardness and so on are very high, but industrial ceramics itself is brittle and difficult to process limits the scope of its use. In recent years, because of the martensitic phase change toughening skills and composite materials and nano-ceramics technology and the development and improvement of the concept of ceramics, ceramic brittleness has been greatly improved, ceramic spool toughness and strength has been greatly improved.

Zirconia ceramic components are designed for highly abrasive and erosive applications and are characterised by a particularly long service life. Zirconia ceramic workpiece function cost-effective far better than other similar metal valves. With the development of scientific skills from time to time and improve the ceramic valve material from the moulding and processing technology and other aspects of the skills more and more mature. Ceramic valve spool with excellent performance more and more to obtain the recognition of the spool industry! With the development of the economy zirconia ceramic workpieces in the field of petroleum and chemical machinery and other areas of use is very popular, of course, zirconia ceramic workpieces of wear resistance and corrosion-resistant parts instead of the future high-tech market will be one of the main development and use.

Zirconia Ceramic Performance Table

Mechanical CharacteristicsColorIvory-
Bending Strength800MPa
Compressive trength3000MPa
Elastic Modulus200GPa
Fracture Toughness8MPa m1/2
Weber Coefficient15m
Vickers Hardness1200HV 0.5
Thermal CharactericsCoefficient of Line Thermal Expansion1010-6K-1
Thermal Conductivity3W/mK
Thermal Shock Resistance(Put in Water)300ΔT °C
Max Working Temperature1000°C
Electrical CharacteristicsVolume Resistance at 20°C>1013Ωcm
Dielectric Strength11×106V/m
Dielectric Constant33εr
One MHZ Dielectric Loss Angle at 20°C0.0016tanδ
Chemical CharacteristicsNitric Acid (60%) 90°C≒0.00WT Loss mg/cm^2/day

Sulphuric Acid (95%) 95°C0.04

Caustic Soda (30%) 80°C0.08

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