Effects of high thermal loads produced by interaction of accelerated plasma with steel surfaces (100Cr6, 16MnCr5, 42CrMo4)
| Autor: | Nora Trklja Boca, Žarko Mišković, Milorad M. Kuraica, Bratislav M. Obradović, Radivoje Mitrovic |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
010302 applied physics
Materials science Hydrogen 010308 nuclear & particles physics technology industry and agriculture chemistry.chemical_element Energy flux Surfaces and Interfaces General Chemistry Plasma Substrate (electronics) Condensed Matter Physics 01 natural sciences 7. Clean energy Surfaces Coatings and Films chemistry 0103 physical sciences Thermal Materials Chemistry Composite material Layer (electronics) Gas compressor Helium |
| Zdroj: | Surface and Coatings Technology. 416:127157 |
| ISSN: | 0257-8972 |
| DOI: | 10.1016/j.surfcoat.2021.127157 |
| Popis: | Magnetoplasma compressor (MPC), a type of plasma accelerators, is used for treatment and alloying of steel samples: steel 100Cr6, steel 16MnCr5 and steel 42CrMo4. The high-speed plasma flow formed within the MPC, from helium with 5% of hydrogen as working gas, is directed to the surface of the samples. The energy flux density of the plasma flow in the plasma-sample interaction area is 9 J c m 2 . Plasma melts the near-surface layer and during the rapid cooling process, a thin layer with structure different from initial is created. Changes in the physical composition of the substrate are monitored depending on the number of plasma treatments. After treatment with a plasma produced within MPC, a significant improvement of hardness has been achieved. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect