Surface Laser Quenching as an Alternative Method for Conventional Quenching and Tempering Treatment of 1538 MV Steel
| Autor: | Pablo Moreno-Garibaldi, J. A. Yescas Hernández, U. Figueroa López, A. Rojo Valerio, R. Carrera-Espinoza, M. A. Cruz-Gómez, J. del Prado Villasana |
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| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Alternative methods Laser quenching Materials science Article Subject Scanning electron microscope Laser treatment General Engineering 02 engineering and technology Tribology 021001 nanoscience & nanotechnology 01 natural sciences law.invention Optical microscope law 0103 physical sciences Metallic materials TA401-492 General Materials Science Tempering Composite material 0210 nano-technology Materials of engineering and construction. Mechanics of materials human activities |
| Zdroj: | Advances in Materials Science and Engineering, Vol 2020 (2020) |
| ISSN: | 1687-8442 1687-8434 |
| DOI: | 10.1155/2020/7950684 |
| Popis: | This paper aims at encouraging the use of laser treatment as an environmentally friendly technique to improve the mechanical properties of metallic materials over conventional quenching and tempering techniques through the study of the tribological behavior of AISI 1538 MV steel subjected to surface laser quenching treatment. Sliding wear tests were carried out by the pin-on-disk method. In order to identify the wear mechanisms, the worn surfaces on the disks were evaluated by scanning electron microscopy and the wear scars on the ball were observed by optical microscopy. Results reveal that laser treatment reduces the average friction coefficient by 25% and the wear rate by 60% compared with those achieved by the conventional methods, while the depths of the wear track and hardness of the cross section and surface are maintained. |
| Databáze: | OpenAIRE |
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