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ÁúÈ
¾Ë·ç¹Ì´½ |
ÁúÈ
ºØ¼Ò |
ÁúÈ
±Ô¼Ò |
źÈ
±Ô¼Ò |
½Ç¸®ÄÜ |
Alumina
(Al2O3) |
Alumina
(Al2O3) |
Yttrium
Oxide
(Y2O3) |
Zirconia
Yttizia
Stabilised
(Zro2) |
Quartz
(SiO2) |
Aluminum
Nitride
(ALN) |
Boron
Nitride
(BN) |
Silicon
Carbide
(Si3N4) |
Silicon
Carbide
(Si-Sic) |
Silicon
(Si)
Single Crystal |
Mechanical
properties |
¼øµµPurity % |
99.8 |
99.97 |
99.9 |
99.9 |
99.99 |
99.9 |
99 |
|
99.99 |
99.999999999
Non-Dope |
¹Ðµµ [g/cc]
Bulk Density |
3.9ÀÌ»ó |
3.99 |
4.9~5.0 |
5.5~6.0 |
2.15~2.21 |
3.30~3.32 |
1.91 |
3.25 |
3.02 |
2.33 |
¹öÄ¿½º°æµµ[Gpa]
Load 0.5Kg
HV1=9.807N
Vickers Hardness |
17.2~17.5 |
17.7 |
6 |
12.5~13 |
8.6 |
11.2 |
|
14 |
21~22 |
10.2 |
±ÁÈû °µµ [Mpa]
Bending Strength |
345~370 |
300 |
100~130 |
890~930 |
70 |
310 |
18~22 |
880 |
250 |
~300 |
¾ÐÃà°µµ [Mpa]
Compressive
Strength |
2350~2400 |
|
|
5100~5400 |
>1100 |
3000 |
18~25 |
3820 |
2700 |
481~549 |
¿µÀ² [Gpa]
Youngs Modulus |
370 |
390 |
160~170 |
200~210 |
72 |
310~320 |
|
300 |
270 |
190 |
Æ÷¾Æ¼Õºñ
Poissons Ratio |
0.23 |
|
0.31 |
0.3 |
0.17 |
0.24 |
|
0.28 |
0.24 |
0.27 |
Thermal Propeties |
¿Àüµµµµ
RT[W/mK]
Thermal Conductivity
|
30 |
33.5 |
14 |
2.9~3.1 |
1.5 |
160~170 |
130 |
30 |
175 |
157 |
¿ÆØâ°è¼ö [x106/oC]
Thermal Expansion |
7.8 |
8 |
7~9 |
9~11 |
0.5 |
4.2 |
0.3~1 |
2.6~2.8 |
4.3 |
3.9 |
³»¿Ãæ°Ý [¡âT(oC)]
Heat Shock Strength |
350 |
200 |
|
350 |
>1000 |
400 |
|
750 |
400 |
|
ºñ¿
[RT](J/kg. K)
Specific Heat |
0.78X10 |
|
0.45x10 |
0.48x10 |
|
0.72x10 |
0.35x10 |
0.66x10 |
0.68 |
0.7x10 |
»ç¿ë¿Âµµ [oC]
Max Useable
Temperature |
1400~1800 |
1800 |
»êÈ
1400 |
1400 |
1200(1350) |
»êÈ
800~1000
ºñ»êÈ
1900 |
»êÈ
800
ºñ»êÈ
>1800 |
1200 |
1300 |
1300 |
Electrical I Properties |
äÀû°íÀ¯ÀúÇ× [¥Ø. cm]
Volume Resistivity |
>10 |
>10 |
>10 |
>10 |
>10 |
>10~>10 |
>10 |
>10 |
>10 |
2.3x10 |
Àý¿¬Æı«°µµ [V/m]
Dielectric Strength |
15x10 |
15x10 |
11x10 |
13x10 |
|
14~16x10 |
20x10 |
10x10 |
35x10 |
30x10 |
À¯Àü»ó¼ö
[25 oC 1MHz]
Dielectric Constant |
10 |
10 |
11 |
30~33 |
3.75 |
9 |
4 |
9.6 |
2.7 |
|