- Tytuł:
- Characterisation of Mg-Zn-Ca-Y powders manufactured by mechanical milling
- Autorzy:
-
Lesz, S.
Tański, T.
Hrapkowicz, B.
Karolus, M.
Popis, J.
Wiechniak, K. - Powiązania:
- https://bibliotekanauki.pl/articles/1818808.pdf
- Data publikacji:
- 2020
- Wydawca:
- Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
- Tematy:
-
Mg-based alloys
scanning electron microscopy
X-ray diffraction analysis
mechanical alloying
stopy magnezu
skaningowa mikroskopia elektronowa
rentgenowska analiza dyfrakcyjna
mechaniczna synteza - Opis:
- Purpose: This paper explains mechanical synthesis which uses powders or material chunks in order to obtain phases and alloys. It is based on an example of magnesium powders with various additives, such as zinc, calcium and yttrium. Design/methodology/approach: The following experimental techniques were used: X-ray diffraction (XRD) method, scanning electron microscopy (SEM), determining particle size distributions with laser measuring, Vickers microhardness. Findings: The particle-size of a powder and microhardness value depend on the milling time. Research limitations/implications: Magnesium gained its largest application area by creating alloys in combination with other elements. Magnesium alloys used in various industry contain various elements e.g. rare-earth elements (REE). Magnesium alloys are generally made by casting processes. Consequently, the search for new methods of obtaining materials such as mechanical alloying (MA) offers new opportunities. The MA allows for the production of materials with completely new physico-chemical properties. Originality/value: Thanks to powder engineering it is possible to manufacture materials with specific chemical composition. These materials are characterized by very high purity, specified porosity, fine-grain structure, complicated designs. These are impossible to obtain with traditional methods. Moreover it is possible to refine the process even further minimalizing the need for finishing or machining, making the material losses very small or negligible. Furthermore material manufactured in such a way can be thermally or chemically processed without any problems.
- Źródło:
-
Journal of Achievements in Materials and Manufacturing Engineering; 2020, 103, 2; 49--59
1734-8412 - Pojawia się w:
- Journal of Achievements in Materials and Manufacturing Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł