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