Tabelle | BCE | High-Performance Ceramics made out of ZrO2, Al2O3, ATZ and ZTA

Metal

Typ		A-960	A-997	A-999	Z-507	Z-700	Z-700 E	Z-700 E HIP	ATZ	ZTA 86/14	C-100	C-200	C-300	N-105	N-205	BN-500	Stahl
Description		Al₂O₃ purity 96%	Al₂O₃ purity 99,7%	Al₂O₃ purity 99,99%	Mg-PSZ MgO partially stabilized	Y-TZP Y₂O₃ partially stabilized	Y-TZP Y₂O₃ partially stabilized	Y-TZP Y₂O₃ partially stabilized	ZrO₂ particle reinforced	Al₂O₃ particle reinforced	SiSiC Si-infiltrated, with 8-12% free silicon	SSiC sintered without free silicon	HP SIC hot pressed without free silicon	HP SN hot pressed	SSN sintered	HP BN* hot pressed	C-15* unalloyed steel
Colour		white	white	white	yellow	white	white	white	white	white	black	black	black	black	grey	white	-
Microstructure Properties		A-960	A-997	A-999	Z-507	Z-700	Z-700 E	Z-700 E HIP	ATZ	ZTA 86/14	C-100	C-200	C-300	N-105	N-205	BN-500	Stahl
Density	g/cm³	3.7	3.9	>3.9	5.7	>6.0	>6.0	>6.03	5.5	4.1	3.1	3.1	3.2	3.2	3.22	2	7.87
Open Porosity	%	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Average Grain Size	µm	10	5	3	50	0.7	0.4	0.35	0.7	0.5	15	1	10	5	5	-	-
Mechanical Properties		A-960	A-997	A-999	Z-507	Z-700	Z-700 E	Z-700 E HIP	ATZ	ZTA 86/14	C-100	C-200	C-300	N-105	N-205	BN-500	Stahl
Vickers Hardness (HV₁₀)	MPa	1400	1800	1800	1200	1300	1300	1300	1400	1700	2200	2500	2500	1600	1450	190	700
Compressive Strength	MPa	2800	2800	2800	1600	2200	2200	2200	2100	2600	1200	2200	2900	2500	2500	160	1000
Bending Strength	MPa	290	340	340	500	1000	1100	1300	820	600	320	420	430	850	750	70/30**	450
Fracture Toughness	MPam^½	-	4.3	4.3	7.0	10.5	10.5	10.5	7.0	7.0	-	3.2	3.2	6.0	7.0	-	-
Module of Elasticity*	GPa	350	380	380	200	200	210	210	220	360	350	410	440	320	300	30/25**	210
Weibull-Modulus*	-	10	10	10	12	20	20	20	20	20	12	10	12	18	15	-	-
Poisson-Ratio*	-	0.22	0.22	0.22	0.3	0.3	0.3	0.3	0,27	0,24	0.22	0.17	0.16	0.26	0.25	0.13	0.33
Thermal Properties		A-960	A-997	A-999	Z-507	Z-700	Z-700 E	Z-700 E HIP	ATZ	ZTA 86/14	C-100	C-200	C-300	N-105	N-205	BN-500	Stahl
max. Application Temperature* Inert Gas Atmosphere	°C	1600	1650	1650	900	1200	1200	1200	1200	1000	1350	1800	1800	1300	1300	2400	400
max. Application Temperature* Air	°C	1600	1650	1650	900	1200	1200	1200	1200	1000	1350	1500	1500	1100	1100	850	300
Specific Heat at 20°C	J/Kg K	900	900	900	550	500	500	500	600	700	950	650	1000	750	700	-	462
Thermal Conductivity at 100°C	W/mK	25	30	30	2	2	2	2	6	25	85	75	90	35	35	35	50
Coefficient of Thermal Expansion (between 20°C and 1000°C)	10^-6K^-1	8.5	8.5	8.5	10.5	10.5	10.5	10.5	9	9	4.5	4.1	4.1	3.2	3.3	2.2	11
Thermal Shock Resistance*	K	180	190	190	260	300	300	300	300	250	400	350	450	400	450	-	-
Electrical Properties		A-960	A-997	A-999	Z-507	Z-700	Z-700 E	Z-700 E HIP	ATZ	ZTA 86/14	C-100	C-200	C-300	N-105	N-205	BN-500	Stahl
Vol. Resisitivity at 20°C	Ωcm	10¹⁴	10¹⁴	10¹⁴	10¹⁰	10⁹	10⁹	10⁹	10⁹	10⁹	0,2	10-100	10²	10¹⁰	10¹²	10¹⁴	0.0015
Vol. Resisitivity at 400°C	Ωcm	10¹¹	10¹²	10¹²	10⁴	10⁴	10⁴	10⁴	10⁴	10⁷	-	-	-	-	-	-	-
Vol. Resisitivity at 1000°C	Ωcm	10⁴	10⁷	10⁷	10³	10³	10³	10³	10²	10⁵	0,05	0,2	0,2	10⁷	10⁷	10⁹	-
Dielectric Strength	kV/mm	>18	>25	>25	-	-	-	-	-	-	-	-	-	-	-	39	-
Dielectric Constant at 20°C and 1 GHz	-	8	9	9	>20	>20	>20	>20	>20	-	-	-	-	20	20	-	-
Loss Factor (tgΔ) at 20°C and 1 GHz	-	5x10^-4	2x10^-4	2x10^-4	-	-	-	-	-	-	-	-	-	-	-	-	-
Loss Factor (tgΔ) at 20°C and 10 kHz	-	3x10^-4	1x10^-4	1x10^-4	-	-	-	-	-	-	-	-	-	5x10^-2	5x10^-2	-	-

The data listed in the table refer to normalized and standardized test samples. Values may vary if tested on other geometries.
*) Quoted data are partly based on bibliographical and partly measured data. They may only be used as a guidance. **) Data perpendicular and parelell to the pressing direction.
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