Laser Surface Hardening of Austempered Ductile Iron (ADI)
Abstract
:1. Introduction
2. Materials and Methods
2.1. Tested Samples
2.2. Tribological Analysis
2.3. Parameters of Laser Hardening
3. Results
3.1. Microstructure of the Tested Samples
3.1.1. ADI 9k6 240
3.1.2. ADI 9k6 310
3.1.3. ADI 9k6 400
3.2. Results of Tribological Analysis
3.2.1. Progress of the ADI 9k6 240 Tribological Test
3.2.2. Surface Analysis of ADI 9k6 240 Sample after Tribological Test
3.2.3. Progress of the ADI 9k6 310 Tribological Test
3.2.4. Surface Analysis of the ADI 9k6 310 Sample after the Tribological Test
3.2.5. Progress of the ADI 9k6 400 Tribological Test
3.2.6. Surface Analysis of the ADI 9k6 400 Sample after the Tribological Test
3.3. Discussion
3.4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Samples | Chemical Composition [wt.%] | ||||||
---|---|---|---|---|---|---|---|
C | Si | Mn | P | S | Mg | Cu | |
ADI 9k6 240 | ADI 9k6 240 | 2.45 | 0.25 | 0.02 | 0.02 | 0.04 | 0.01 |
ADI 9k6 310 | |||||||
ADI 9k6 400 |
Laser Used | Laserline LDF 10,000–100 |
---|---|
Focusing distance [mm] | 348 |
Clouding optics | Laserline zoom optics |
Laser spot size [mm] | 8 × 20 |
Temperature [°C] | 1120 |
Speed [cm/min] | 45 |
Power [kW] | 10 |
Sample | Test Length [min] | Non-Hardened Surface | Hardened Surface | ||
---|---|---|---|---|---|
COF | SD | COF | SD | ||
ADI 9k6 240 | 30 | 0.539 | 0.222 | 0.392 | 0.207 |
11 | 0.504 | 0.198 | 0.347 | 0.224 | |
ADI 9k6 310 | 30 | 0.512 | 0.190 | 0.548 | 0.169 |
11 | 0.471 | 0.214 | 0.489 | 0.205 | |
ADI 9k6 400 | 30 | 0.469 | 0.250 | 0.341 | 0.228 |
11 | 0.423 | 0.175 | 0.285 | 0.200 |
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Záhon, L.; Kuchař, J.; Horník, J.; Krčil, J.; Kudláček, J. Laser Surface Hardening of Austempered Ductile Iron (ADI). Coatings 2024, 14, 958. https://doi.org/10.3390/coatings14080958
Záhon L, Kuchař J, Horník J, Krčil J, Kudláček J. Laser Surface Hardening of Austempered Ductile Iron (ADI). Coatings. 2024; 14(8):958. https://doi.org/10.3390/coatings14080958
Chicago/Turabian StyleZáhon, Ladislav, Jiří Kuchař, Jakub Horník, Jan Krčil, and Jan Kudláček. 2024. "Laser Surface Hardening of Austempered Ductile Iron (ADI)" Coatings 14, no. 8: 958. https://doi.org/10.3390/coatings14080958