Please use this identifier to cite or link to this item:
http://earchive.tpu.ru/handle/11683/35003
Title: | Effect of ultrafine powders on the structural formation processes and mechanical properties of Al-7%Si alloy |
Authors: | Zykova, Anna Petrovna Kazantceva, Lydmila Kurzina, Irina |
Keywords: | ультрадисперсные порошки; структурные процессы; механические свойства; сплавы; тугоплавкие металлы; расплавы; кристаллизация; пластичность |
Issue Date: | 2016 |
Publisher: | AIP Publishing |
Citation: | Zykova A. P. Effect of ultrafine powders on the structural formation processes and mechanical properties of Al-7%Si alloy / A. P. Zykova, L. Kazantceva, I. Kurzina // AIP Conference Proceedings. — 2016. — Vol. 1772 : Prospects of Fundamental Sciences Development (PFSD-2016) : XIII International Conference of Students and Young Scientists, 26–29 April 2016, Tomsk, Russia : [proceedings]. — [030020, 7 p.]. |
Abstract: | The multi-component system interaction mechanisms associated with ultrafine powders (TiO[2] and ZrO[2]) and fluorine-containing salts (K[2]ZrF[6], Na[3]AlF[6] and Na[5]Al[3]F[14]) with the Al-7%Si melt are studied. The formation of a multi-phase system with a high concentration of crystallization centres (N≈7·10{12} U/cm{3}) was identified. We experimentally show that the injection of an ultrafine powders modifying mixture containing refractory metal oxides and fluorine-containing salts into a Al-7%Si melt leads to a significant reduction in the a silicon plate size (by 1.5 times) and the Fe-containing phases (by 4 times). An equal distribution of the eutectic phase ([alpha]-Al+[beta]-Si) is established in the Al-7%Si alloy. As a result of microstructural changes when the modifying mixture was injected, a factor of 2 increase in the Al-7%Si alloy ductility was observed. |
URI: | http://earchive.tpu.ru/handle/11683/35003 |
Appears in Collections: | Материалы конференций |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
dx.doi.org-10.1063-1.4964558.pdf | 1,05 MB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.