Influence of soaking time of modifier in melt on microstructure of Al-12%Si alloys; IOP Conference Series: Materials Science and Engineering; Vol. 177 : Mechanical Engineering, Automation and Control Systems (MEACS 2016)
| Parent link: | IOP Conference Series: Materials Science and Engineering Vol. 177 : Mechanical Engineering, Automation and Control Systems (MEACS 2016).— 2017.— [012118, 5 p.] |
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| Glavni avtor: | |
| Corporate Authors: | , |
| Drugi avtorji: | , |
| Izvleček: | Title screen The influence of the soaking time of the silumin melt with a modifying nanopowder W on the microstructure and the impact toughness of the Al-12%Si silumin is studied in the paper. It was established that when introducing 0.1 mass. % of W and soaking it for 10 min, up to 30% of the inassimilable nanopowder W remains in the crucible after pouring. At that, the microstructure of castings is refined, and the impact toughness increases by 12 % compared to the initial alloy. It was established that the powder remaining in the crucible after melting consists of the remnants of metallic W, WO[3] and W[3]O. Nanopowder W is completely assimilated by the melt if the soaking time is increased by 120 min; in this case, the impact toughness reduces, which is connected with the increase of dendrites and silicon wafers sizes. |
| Jezik: | angleščina |
| Izdano: |
2017
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| Serija: | Material Science in Mechanical Engineering |
| Teme: | |
| Online dostop: | http://dx.doi.org/10.1088/1757-899X/177/1/012118 http://earchive.tpu.ru/handle/11683/37874 |
| Format: | Elektronski Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=654092 |
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