Friction and Wear Studies Using Taguchi Method: Application to the Characterization of Carbon-Silicon Carbide Tribological Couples of Automotive Water Pump Seals

Table 3

Percentage of contribution of every factor and interaction on the coefficient of dynamic friction (𝑅1) and on the wear (𝑅2) after 10 hours of friction test.

Factors	𝑅1	𝑅2
primary ring variant	0.49%	3.72%
normal load	0.26%	13.57%
surrounding	3.68%	8.74%
mating ring finishing	0.69%	8.21%
rotational frequency	0.8%	5.21%
Interactions
primary ring variant/normal load	0.39%	2.93%
primary ring variant/surrounding	5.63%	7.34%
primary ring variant/mating ring finishing	18.43%	3.12%
primary ring variant/rotational frequency	9.47%	0.5%
normal load/surrounding	22.33%	7.06%
normal load/mating ring finishing	0.15%	8.85%
normal load/rotational frequency	5.63%	2.89%
surrounding/mating ring finishing	10.69%	2.89%
surrounding/rotational frequency	18.43%	11.88%
mating ring finishing/rotational frequency	0.93%	2.36%