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Non-standard zirconia ceramic threaded connectors threaded bushings precision industrial ceramic parts

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
  • 02A25

  • HaoRui

Zirconia ceramic material strength is very good, often used to make a variety of ceramic structural components, ceramic rods is the most commonly used ceramic rods are usually alumina ceramics or zirconia ceramics as raw materials, dry pressure, static pressure, hot die casting and other processes molding of the row of rubber or wax and then sintered at high temperatures made of ceramic rods, widely used in the military machinery, medical equipment, aerospace, and other fields. But to give the ceramic rod for precision machining, to the ceramic rod on the processing of threads will need to use special equipment. Ceramic milling machine is specially designed for the processing of ceramic materials out of the CNC machine tools, can be paid to ceramic materials for punching, slotting, threading, microporous processing and other precision processing.

The main processing technology of ceramic rods are: 

1. Ceramic rod punching;

2. Ceramic rod grooving: according to the customer's requirements for grooving, can be single-sided grooving, as well as can be double-sided grooving;

3. Ceramic rod straightness processing: straightness and the size of the ceramic rod has a great relationship, the longer the ceramic rod will be more prone to bending, usually the length of 100mm ceramic rods can be controlled in straightness 0.1mm, 300mm ceramic rods can be controlled in 0.3mm;

4. Ceramic rod polishing: after the sintering of ceramic rods, the surface will appear very rough, it must be centreless grinder and grinding equipment for ceramic rod surface polishing, after polishing ceramic rods can achieve the effect of atomised mirror;

5. Ceramic rod chamfering: can be divided into 45 degrees, 60 degrees, 90 degrees, etc., the use of grinding wheels can be chamfered at different angles of the ceramic rod;

6. Ceramic rod rounding: ceramic rod is usually required to carry out the external round grinding, which can reach 0.002mm roundness.

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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