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Macor Properties
|
Mechanical
|
|
|
SI/Metric
|
Imperial
|
| Density |
2.52 g/cc
|
157 lb/ft3
|
| Porosity |
0%
|
0%
|
| Young’s Modulus (25°C) |
66.9 GPa
|
9.7x106
psi
|
| Poisson’s Ratio |
.29
|
.29
|
| Shear Modulus (25°C) |
25.5 GPa
|
3.7x106
psi
|
| Hardness |
250
Knoop 100g
|
48
Rockwell A
|
| Flexural Strength |
94 MPa
|
13,600
psi
|
| Compressive Strength |
345 MPa
|
50,000
psi
|
| Fracture Toughness |
1.53 MPa
• m1/2
|
1,390
psi • in1/2
|
| Coefficient of Kinetic Friction (25°C) |
|
|
| —
– against steel |
.12
|
.12
|
| —
– against aluminum |
.15
|
.15
|
| —
– against Macor |
.15
|
.15
|
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