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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
/
2009
/
Article
/
Tab 1
/
Research Article
Friction and Wear Studies Using Taguchi Method: Application to the Characterization of Carbon-Silicon Carbide Tribological Couples of Automotive Water Pump Seals
Table 1
Physical properties of the studied materials.
Carbon 1
Carbon 2
Porous silicon carbide
Young modulus (GPa)
25
16
350
Thermal conductivity (W
m
-1
C
-1
)
20
5
130
Thermal expansion coefficient (10
-6
C
-1
)
4
14.8
4
Poisson coefficient
0.21
0.21
0.25
Density
1.85
1.77
2.82
Tensile strength (MPa)
45
28
160
Compressive strength (MPa)
180
100
1500
Brinell hardness (daN/mm
2
)
48.44
40.08
Vickers hardness (daN/mm
2
)
2200–2800