- freely available
Metals 2017, 7(3), 90; https://doi.org/10.3390/met7030090
2. Materials and Methods
3. Results and Discussion
- The ratio of the maximum tangential to normal force was independent of the imposed displacement amplitude (between 0.05 mm and 0.3 mm). The ratio between the cold rolled high strength steel and AISI52100 steel was determined to be about 0.72 in dry conditions.
- The cross-sectional area size of the wear scar increased as the number of cycles increased. The growth rate of the cross-sectional area size increased according to imposed displacement amplitude up to 0.09 mm.
- The approximate wear volume on the cold rolled high strength steel specimen increased according to the number of cycles. A rapid increase in the wear rate occurred at imposed displacement amplitudes lower than 0.09 mm. The increase in the wear rate was found to transition from rapid to gradual between displacement amplitudes of 0.09 mm and 0.2 mm. In other words, the transition from fretting to reciprocal sliding regimes was identified between 0.09 mm and 0.2 mm.
Conflicts of Interest
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|Cold rolled high strength steel||0.18||1.5||0.08||0.03||0.3||0.02||-|
|Material||Elastic Modulus, GPa||Poisson’s Ratio||Vickers Hardness, HV|
|Cold rolled high strength steel||205||0.28||~153 1|
|Displacement Amplitude (mm)|
: wear rate, N: number of cycles, C: constant
|0.05||320.05||6.08 × 105||0.99|
|0.07||441.07||1.19 × 106||0.96|
|0.09||1053.70||5.04 × 105||0.98|
|0.2||2711.00||1.11 × 106||0.95|
|0.3||3287.20||1.03 × 106||0.96|
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