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CerCo LLC Specialty Ceramics Division 453 West McConkey Street Shreve, Ohio 44676 USA (330) 567-2145 Fax: (330) 567-2260
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| Aluminum Oxide |
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| Material Designation | P87 |
P90 |
Endura |
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| Material Properties | FINE GRAINED |
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| PROPERTIES |
TEST METHOD |
UNITS |
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| Bulk Density | ASTM-C20-87 |
Kg/M3 |
3500 |
3600 |
3600 |
| lbs./ft.3 |
218.3 |
224.5 |
224.5 |
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| g/cc |
3.50 |
3.60 |
3.60 |
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| Apparent Porosity | ASTM-C20-87 |
% |
0 |
0 |
0 |
| Flexural Strength | ASTM-C674-88 |
MPa |
275.8 |
334.4 |
334.4 |
| Kpsi |
40 |
48.5 |
48.5 |
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| Elastic Modulus | ASTM-C674-88 |
GPa |
174.6 |
190.0 |
190.0 |
| Mpsi |
25 |
27.2 |
27.2 |
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| Compressive Strength | ASTM-C773-88 |
MPa |
1723.8 |
1461.7 |
1751.3 |
| Kpsi |
250 |
212 |
254 |
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| Tensile Strength | ACMA#4 |
Kpsi |
18 |
18.5 |
18.5 |
| MPa |
125.73 |
129.223 |
129.2 |
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| Vicker's Hardness | ASTM-E384-89 |
VHN |
1190 |
1136 |
1190 |
| Knoop Hardness | ASTM-E384-89 |
KHN |
1063 |
1014 |
1063 |
| Rockwell C Scale | — |
Rc |
71 |
71 |
71 |
| MOH | Scale |
— |
8.0-9.0 |
8.0-9.0 |
8.0-9.0 |
| Fracture Toughness | Vicker's Indentation |
MPa/M2 |
3.9 |
3.9 |
4.2 |
| Crystal Size | — |
MICRON |
3.0-5.0 |
3.0-5.0 |
2.5-3.5 |
| Linear C.T.E. | — |
PPM/C |
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| rt-200 |
5.04 |
5.65 |
5 |
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| rt400 |
5.87 |
6.2 |
6.42 |
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| rt-600 |
7.08 |
6.57 |
7.06 |
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| rt-800 |
7.64 |
7.46 |
7.57 |
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| rt-1000 |
8.6 |
7.7 |
8.7 |
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| Zirmonite 200 |
Zirconium Oxide |
Silicon Carbide |
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| Material Designation | Zirconia toughened |
Zirmonite 1000 |
Si3N4-SiC |
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| Material Properties | Tetragonal Zirconia |
Nitride bonded |
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| PROPERTIES |
TEST METHOD |
UNITS |
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| Bulk Density | ASTM-C20-87 |
Kg/M3 |
4480 |
6000 |
2925 |
| lbs./ft.3 |
279.4 |
374.2 |
182.4 |
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| g/cc |
4.48 |
6.00 |
2.93 |
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| Apparent Porosity | ASTM-C20-87 |
% |
0 |
0 |
0 |
| Flexural Strength | ASTM-C674-88 |
MPa |
758.5 |
806.7 |
93.1 |
| Kpsi |
110 |
117 |
13.5 |
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| Elastic Modulus | ASTM-C674-88 |
GPa |
281.5 |
174.6 |
33.2 |
| Mpsi |
40.3 |
25 |
4.8 |
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| Compressive Strength | ASTM-C773-88 |
MPa |
2930.4 |
2440.8 |
558.5 |
| Kpsi |
425 |
354 |
81 |
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| Tensile Strength | ACMA#4 |
Kpsi |
70 |
85 |
23.8 |
| MPa |
489.0 |
593.7 |
166.2 |
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| Vicker's Hardness | ASTM-E384-89 |
VHN |
1650 |
1150 |
773 |
| Knoop Hardness | ASTM-E384-89 |
KHN |
1473 |
1027 |
799 |
| Rockwell C Scale | — |
Rc |
75 |
69 |
63 |
| MOH | Scale |
— |
9.0 |
7.0-8.0 |
6.5-7.5 |
| Fracture Toughness | Vicker's Indentation |
MPa/M2 |
6.5 |
8.6 |
N/A |
| Crystal Size | — |
MICRON |
2.0-4.0 |
1.0-2.0 |
bimodal 500 and 20 |
| Linear C.T.E. | — |
PPM/C |
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| rt-200 |
7.80 |
10.26 |
2.42 |
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| rt400 |
8.3 |
10.72 |
2.97 |
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| rt-600 |
8.60 |
11.04 |
3.41 |
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| rt-800 |
9.10 |
11.11 |
3.75 |
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| rt-1000 |
9.10 |
11.1 |
4.09 |
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CerCo LLC Specialty Ceramics Division 453 West McConkey Street Shreve, Ohio 44676 USA (330) 567-2145 Fax: (330) 567-2260
Return to |