:::°æÀÎÁ¤¹Ð ÁÖ½Äȸ»ç:::
 
 
Untitled Document
  ¾Ë·ç
¹Ì³ª
Åõ±¤¼º
¾Ë·ç¹Ì³ª
ÀÌÆ®¸®¾Æ Áö¸£
ÄڴϾÆ
¼®¿µ
À¯¸®
ÁúÈ­
¾Ë·ç¹Ì´½
ÁúÈ­
ºØ¼Ò
ÁúÈ­
±Ô¼Ò
źȭ
±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
Temperatur
e
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