ZTA1877 Zirconia Toughened Alumina (ZTA) Ceramic Rod

Catalog No. ZTA187
Appearance White smooth surface
Purity 99.9 %
Shape Rod
Length 150~300 mm
Component Alumina, Zirconia

Zirconia Toughened Alumina (ZTA) Ceramic Rod has the characteristics of corrosion resistance and good chemical stability. Stanford Advanced Materials (SAM) is a trust-worthy supplier of the Zirconia Toughened Alumina (ZTA) Ceramic Rod.

Related products: ZTA Disc, ZTA Tube, ZTA Nano Powder, ZTA Seal Rings, ZTA Sheet/Plate, ZTA Tube, ZTA Rod

Zirconia Toughened Alumina (ZTA) Ceramic Rod Description

Zirconia Toughened Alumina (ZTA) Ceramic Rod has the properties of corrosion resistance and good chemical stability. Alumina has high hardness while zirconia has good toughness. Zirconia Toughened Alumina (ZTA) Ceramic Rod has the advantages of both alumina and zirconia and has a wider range of applications in machinery, electronics, petroleum, chemical industry, aerospace, and textile industries. Stanford Advanced Materials (SAM) can adjust the specific ratio of alumina and zirconia in Zirconia Toughened Alumina (ZTA) Ceramic Rod according to the actual requirements of users.

ZTA-rod

Zirconia Toughened Alumina (ZTA) Ceramic Rod Specification

 

Condition

Unit

ZTA Substrate

ZTA

Material

-

-

Al2O3/ZrO2

Color

-

-

White

Bulk Density

-

g/㎤

4

Surface Roughness Ra

-

µm

0.2

Reflectivity

0.3-0.4mmt

%

80

0.8-1.0mmt

90

Mechanical

Bending Strength

3-point method

MPa

700

Modulus of Elasticity

-

GPa

310

Vickers Hardness

-

GPa

15

Fracture Toughness

IF method

MPa・m1/2

3.5

Thermal

Coefficient of Thermal Expansion

40-400°C

10-6/K

7.1

40-800°C

8

Thermal Conductivity

25°C

W/(m・K)

27

300°C

16

Specific Heat

25°C

J/(㎏・K)

720

Electrical

Dielectric Constant

1MHz

-

10.2

Dielectric Loss Factor

1MHz

10-3

0.2

Volume Resistivity

25°C

Ω・㎝

>1014

Breakdown Strength

DC

㎸/㎜

>15

 

Performance of Al2O3, ZTA, and YTZ

Item

Unit

Alumina(AL2O3)

Zirconia(ZrO2)

AL2O3≥95

AL2O3≥99

AL2O3≥99.5

AL2O3≥99.8

ZTA

YTZ

Bulk Density

g/cm3

3.7

3.80~3.85

3.85

3.9

3.8~4.6

6

Hardness

HRA≥

86

88

88

88

86~88

88~90

Bending Strength

Mpa≥

300

350

400

400

172~450

900

Maximum Service Temperature

1500

1500

1500

1500

1400~1500

1500

Linear Expansion Coefficient

×10-6/℃

7.5

8.2

8.2

8.2

 

 

Dielectric Constant

εr(20℃,1MHz)

9

9.2

9.2

9.2

 

 

Dielectric Loss

tanδ×10-4,1MHz

3

2

2

2

 

 

Volume Resistivity

Ω·cm(20℃)

1013

1014

1014

1014

1013

1014

Breakdown Strength

KV/mm, DC≥

20

20

20

20

 

 

Acid Resistance

mg/cm2≤

0.7

0.7

0.7

0.7

 

 

Alkali Resistance

mg/cm2≤

0.2

0.1

0.1

0.1

 

 

Wear Resistance

g/cm2≤

0.2

0.1

0.1

0.1

 

 

The Compressive Strength

Mpa≥

2500

2500

2500

2800

2300~2900

2500

Flexural Strength

Mpa≥

200

350

350

350

 

 

Modulus of Elasticity

Gpa

300

350

350

350

 

 

Poisson's Ratio

 

0.2

0.22

0.22

0.22

 

 

Coefficient of Thermal Conductivity

W/m·K(20℃)

20

25

25

25

 

 

 

Zirconia Toughened Alumina (ZTA) Ceramic Rod Applications

* Mechanical, electronic, petroleum, chemical, aerospace, and textile industries.
* Insulators
* Probe bodies
* Bushing
* Analytical instrument columns

Zirconia Toughened Alumina (ZTA) Ceramic Rod Packaging

Our ZTA Rod is clearly tagged and labeled externally to ensure efficient identification and quality control. The products are wrapped in plastic foam for shockproof purposes and finally packed in wooden boxes. Great care is taken to avoid any damage which might be caused during storage or transportation.

packing-disc

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