High Hardness Insulator Zro2 Y-Tzp Ceramic Sleeves

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100 pc
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10000 pc/month

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Product Description

Zirconia is most famous high-performance material among all oxide ceramics. Ceramic components made out of Zirconia generally consist of Zirconia as basic material doped with some percentage of other oxides like Yttria (Y2O3) or Magnesia (MgO). Depending on doping material different material properties could be achieved because of influencing the Yttria's microstructure. The "ceramic steel" titled Zirconia is doped with Yttria forming an ultra-fine ductile structure with sub-micron grain formation leading to enormous bending strengths. Magnesia doped qualities are less strong also showing a coarser microstructure.

Common applications of Zirconia ceramics include extrusion dies, wire and pipe extension, guide and other wear rollers, pressure valves, and bearing materials.

 

Ceramic Manufacturing Process
Raw Material >> Milling/Mixing >> Spray/Drying >> Forming >> Green Machining >> Sintering >> Grinding >> Special Process >> Inspection >> Cleaning >> Final Product

 

Product Feture:
*High density
*High strength and fracture toughness
*High hardness and wear resistance
*Low thermal conductivity (20% that of Alumina)
*Good chemical resistance

 

Application of Zirconia Ceramics
1. Precision ball valve (balls and seats)
2. Pump seals, valves and impellors
3. High density grinding media
4. Oxygen sensors
5. Threadguides
6. Fuel cell membranes
7. Cutting blades
8. Radio frequency heating susceptors
9. Medical prostheses
10. Metrology components

 

  

 

Data Sheet

 

Characteristics

Unit

95 Al2O3

99 Al2O3

ZrO2

GPSi3N4

BN

Glass Ceramic

Crystal Structure

-

hexagonal

hexagonal

tetragonal

hexagonal

hexagonal

-

Color

-

white

ivory

white

gray

white

white

Density

g/cm³

3.65

3.88

5.95

3.22

2.26

2.55

Water Absorption

%

0

0

0

0

0.0-1.0

0

Young's Modulus

Gpa

280

350

205

295

670

65

Vickers Hardness

Gpa

14

20

12

18-20

-

-

Flexural Strength

Mpa

280

300

900

650

51

100

Compressive Strength

Mpa

2000

2500

2200

2200

230

500

Thermal Conductivity 

W/(m•K) 

18-25

30

2.2

25

20

1.70

Thermal shock resistance

ΔT(C°)

220

180-200

280-350

450-650

>1500

25-100

Max. Working Temperature 

1500

1700

850

1200

960

800

Volume Resistivity

Ω . cm

>10^15

>10^14

>10^12

>10^14

10^13

10^16

Dielectric Constant

-

9.50

9.80

26

8.20

4.08

6.02

Dielectric Strength

kV/mm

16

22

-

16

375

40

 

 

FAQ

We have organized several common questions for our clients, may help you sincerely

 

--------What is the application of Ceramic Sleeves?

 

1. Precision ball valve (balls and seats)
2. Pump seals, valves and impellors
3. High density grinding media
4. Oxygen sensors
5. Threadguides
6. Fuel cell membranes
7. Cutting blades
8. Radio frequency heating susceptors

 

----------What advantages of Ceramic Sleeves?

High density
High strength and fracture toughness
High hardness and wear resistance
Low thermal conductivity (20% that of Alumina)
Good chemical resistance

 

 

 

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Q:There is a black spot on the ceramic 5
It is iron oxide, in the firing time of clay containing iron, is not clear, or fall in the firing cable caused by the removal of little significance, only using hydrofluoric acid (careful) wash!
Q:Ceramic bearing cooling fan advantages?
Q:How do we calculate the bulk shrinkage of ceramics?
With the length before contraction minus the length of the contraction, and then divided by the length of the contraction before the line shrinkage, the general body contraction rate is three times the first contraction, you can get the body contraction rate! Personal views are for reference only!
Q:How to judge whether the ceramic cup is poisonous or not?
According to the standard indicators of the state of ceramic production to the production, as long as the ceramic products, especially like ceramic cups and the like necessities index is more strict, the reason why there will be some cheaper ceramic glass or ceramic supplies is because these glass indicators and safety are not very high. The main advantage of these products is relatively low prices, so most consumers in the purchase process will generally choose such ceramic products, especially on the market comparison color cup attract our attention, so consumers in its magical effect under very easy to buy!
Q:Where is the difference between ceramics and ceramics?
Five glaze differentPottery has two kinds of glazes without glaze and glaze. Glazed glazes can be melted at lower firing temperature. There are two kinds of glazes in China, which can be burnt once in a high temperature with the carcass, and also in low temperature and high temperature, and then hung with low temperature glaze, second times low temperature.In the above several aspects, the most important condition is the raw material and the firing temperature, several other conditions are closely related with these two. Therefore, once the master of pottery mastered the technique of burning temperature and realized the difference between kaolin and general clay, he would have the condition to invent porcelain.
Q:Ceramic knife?! Listen, why are you so fragile? Can you cut bones?
Anything that cannot be used to cut hard or cut bones because of its poor toughness.Ceramic knives have high hardness, but they are as brittle as glass, so be careful when using them.
Q:What are industrial ceramics, including what?
Generally speaking, we specialize in 95 porcelain, that is, more than 95% aluminum content. Industrial porcelain.
Q:Why do ceramic knives cut onions without hot eyes?
This substance can stimulate corneal nerve endings, the human body through the nervous system the command of lacrimal gland tear secretion, the irritating substances washed away.Cut the onion with a ceramic knife. Because the ceramic knife is very sharp, it can not destroy the food tissue and make the irritating gas less volatile
Q:Fine ceramics do not break easily?
Brittleness is the common character of ceramic materials.Fine ceramics can be divided into two major categories: engineering ceramics and functional ceramics. The former mainly use their high hardness, high melting point, wear resistance, corrosion resistance, also known as structural ceramics; the latter mainly use their light, sound, electricity, heat, magnetic and other physical characteristics, also known as electronic ceramics. Chemically divided into oxides and non oxides. The former consists of various oxides and salts of oxygen; the latter include nitrides, carbides, boride, etc.. The former is used as functional ceramics, and the latter as engineering ceramics. Some varieties are used to make engine parts, automobile parts, TV sets, hair dryers, fire alarms, high temperature extrusion dies, etc..
Q:What is the time and temperature of the ceramic press?
Ceramic perm normal hair, heating temperature of 130-135 degrees.The resistance to hair temperature is about 140 degrees.The damaged hair is added at 120 degrees, plus 8 minutes, plus 110 degrees, and 7 minutes, plus two.Normal hair, damaged hair, resist hair should be set at different times, damaged hair 15 minutes or so, about 15-20 of normal hair, resist hair about 25-30.The far infrared ceramic ceramic hot hot, this curly hair than traditional hair effect is more natural, especially in the wet dry hair volume is more beautiful. Ceramic hot is to use a single instrument looks like octopus, ceramic rod will be pulled away from the hair from all sides clamped and inserted an electrical conductivity after the hot roll, so the hair is easy to leak volume, is not suitable for trying.

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