Ceramic materials

B U L L E T I N
P R O D U C T
Ceramic materials
Founded in 1922 as a manufacturer of high voltage insulators, SCT has developed a wide range of
ceramic oxide formulations for mechanical, electrical, chemical and thermal applications.
SCT offers ALUCER® high purity alumina with or without glassy phase, high purity zirconia or
magnesia CEROXIDE® ceramics, as well as dielectric ceramics based on CAPINVAR® or
FARADITE® formulations.
a long experience of ceramic solutions
Full expertise
of manufacturing
process
To ensure the highest product reliability, SCT has full expertise in the whole
manufacturing process, from powder formulation to the finished product
including ceramic/metal assemblies.
The Research & Development team and the technical group are both at your
service for the development of your projects.
Materials
Properties
310
Unit
PHYSICAL
Density
Open porosity
Rockwell hardness
MECHANICAL
320
Faradite® Capinvar®
351
K5000
410
Cordierite
Aluminas with
glassy phase
786
Al94
Ceroxide®
Aluminas without
glassy phase
Zirconia
799
830
795
Al96
Al97
Al99.7
Al 99.8
Al99.8
HIP
Al 99.98 T
ZrO2
3YTZP
4
3,6
5,7
2,4
3,7
3,7
3,7
3,9
3,93
3,96
3,99
-
0
0
0
0
0
0
0
0
0
0
0
0
HR 45N
-
-
63
-
73
73
76
80
80
82
94 (15N)
84
Light
brown
Ivory
Red
Brown
White
White
White
Ivory
Ivory
White
Translucent
Ivory
Color
THERMAL
Mg Silico
Aluminate
Titanates
Classification NFEN60672-3
6,08
Flexural strength
MPa
170
130
80
60
310
310
300
310
320
350
230
1000
Elasticity modulus
GPa
170
130
130
-
300
300
350
320
320
330
-
205
°C
-
-
-
1100
1550
1550
1550
1600
1600
1600
1650
1450
J.kg-1.k-1
-
-
-
800
950
950
950
950
950
950
950
720
T max operating
Specific heat
Thermal conductivity
Linear expansion coef.
20 at 600°C
Resistivity at 20°C
ELECTRICAL
PRODUCT BULLETIN
Alucer®
Tg δ X 10-4 de 1 at 10
MHz
Dielectric constant 1-10
MHz
Dielectric strength
W.m-1.K-1
3,1
4,7
2,2
2,0
18
18
20
25
25
25
25
2,9
10-6.K-1
8,6
9,5
12
2,2
7,4
7,4
7,4
7,6
7,5
7,5
7,4
9,5
Ω.cm
1010 at
200°C
109 at
200°C
1011
>1014
>1014
>1014
>1014
>1015
>1015
>1015
> 109
-
<3
<3
< 60
80
3
3 to 5
3 to 5
3 to 8
1,5
1,5
-
-
-
1013 at
200°C
75
17
3500
5
9,5
9,5
10,1
11
10,5
14,5
-
-
KV/mm
12
14
5
10
17
17
17
20
20
25
15
-
TK 100 (MΩ
Ω .cm)
°C
300
500
250
250
-
-
-
-
-
-
-
50
TK 1 (MΩ
Ω.cm)
°C
450
750
350
500
900
900
900
820
-
-
-
120
Quality :
◗ The quality of SCT ceramic products is
checked at every step of the
manufacturing process, according to a
stringent control program.
◗ A demanding quality policy as well as a
strict quality program led SCT to be
qualified ISO 9002 (AFAQ certificate n°
1994/2789b).
Main application fields :
Optical fiber connection,
Electronic tubes,
Medical imaging,
HF generators, broadcasting,
Instrumentation, industrial control,
Space and avionics,
Vacuum & ultra high vacuum,
Military,
Nuclear physics,
Mechanical
&
metallurgical
industries,
❖ Chemicals, petrochemicals,
❖ Power lasers.
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Société des Céramiques Techniques
BP 9 - 65460 BAZET - France
tel : +33 5 62 38 97 97 - fax : +33 5 62 33 41 81
E-mail : [email protected]
Website : www.sct-ceramics.com
Features and characteristics of the products described in the present technical sheet are based upon tests performed by SCT in laboratories following precise procedures and upon its experience. These are given for guidance only and are not binding on SCT
for product performances or results in operating conditions different from conditions applied during the tests. In a constant view of improving its product line, SCT reserves the right, at any time, to modify the characteristics of the products described
herein. Any copy, reproduction or translation of this information, in full or part, is forbidden without SCT’s prior consent. Ref. MAT Ang Rev. e - 01/09/2001.

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