Compositional homogeneity in a medical-grade stainless steel sintered with a Mn–Si additive
| Autor: | Ali K. Okyay, Sh. Bagheri Mashhadi, M.J. Hadianfard, Mohammad Ali Ghaffari, Erfan Salahinejad |
|---|---|
| Přispěvatelé: | Okyay, Ali Kemal |
| Rok vydání: | 2012 |
| Předmět: |
Chemical compositions
Silicon Materials science Scanning electron microscope Energy-dispersive X-ray spectroscopy Sintering Bioengineering 02 engineering and technology Capillary force Powder particles 01 natural sciences Biomaterials Local chemical composition NO dissociation 0103 physical sciences Electron microscopy Liquation Energy dispersive X-ray spectroscopy Eutectic system 010302 applied physics Manganese Medical-grade stainless steel Homogeneous microstructure Metallurgy Amorphous silicon Energy dispersive X ray spectroscopy X ray spectroscopy 021001 nanoscience & nanotechnology Amorphous solid Compositional homogeneity Mechanics of Materials Transmission electron microscopy Wetting Particle contacts 0210 nano-technology Scanning electron microscopy |
| Zdroj: | Materials Science and Engineering C Materials Science and Engineering: C |
| ISSN: | 0928-4931 |
| DOI: | 10.1016/j.msec.2012.06.004 |
| Popis: | Cataloged from PDF version of article. In this paper, chemical composition uniformity in amorphous/nanocrystallization medical-grade stainless steel (ASTM ID: F2581) sintered with a Mn–Si additive was studied via scanning electron microscopy, energy dispersive X-ray spectroscopy, and transmission electron microscopy. The results show that as a result of sintering at 1000 °C, no dissociation of Mn–Si additive particles embedded in the stainless steel matrix occurs. In contrast, sintering at 1050 °C develops a relatively homogeneous microstructure from the chemical composition viewpoint. The aforementioned phenomena are explained by liquation of the Mn–Si eutectic additive, thereby wetting of the main powder particles, penetrating into the particle contacts and pore zones via capillary forces, and providing a path of high diffusivity. © 2012 Elsevier B.V. All rights reserved. |
| Databáze: | OpenAIRE |
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