Tribological performance of uncoated and TiCN-coated D2, M2 and M4 steels under lubricated condition
| Autor: | Karla Judith Moreno, Santos García Miranda, Luis Daniel Aguilera Camacho |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Metallurgy Metals and Alloys 02 engineering and technology Tribology engineering.material 021001 nanoscience & nanotechnology Indentation hardness Paint adhesion testing Abrasion (geology) 020303 mechanical engineering & transports Lubricity 0203 mechanical engineering Coating Mechanics of Materials Tool steel Materials Chemistry engineering Lubricant Composite material 0210 nano-technology human activities |
| Zdroj: | Journal of Iron and Steel Research International. 24:823-829 |
| ISSN: | 2210-3988 1006-706X |
| DOI: | 10.1016/s1006-706x(17)30122-x |
| Popis: | Hard coatings are used to improve the wear resistance of metals which largely depends on adhesion between substrate and coating. The wear and friction behavior of uncoated and TiCN-coated D2, M2 and M4 steels were evaluated by a pin-on-disk test under lubricated conditions. In order to evaluate the influence of lubricant on wear performance, dry friction tests were also performed. The results showed that friction coefficients were very similar for both uncoated and TiCN-coated steels. Under lubricated conditions, the uncoated D2 tool steel exhibited the lowest friction coefficient, but the TiCN-coated D2 steel presented the smallest wear rate. Abrasion was the main wear mechanism in all the tribocouples. Additionally, microhardness measurements were carried out, finding an influence of the steel substrate on the hardness of the coatings. Besides, adhesion test was conducted, suggesting a good adhesion of class 1 between substrates and TiCN coatings. |
| Databáze: | OpenAIRE |
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