The Structure of Quaternary Iron-Based Alloy Obtained at High and Ultrahigh Cooling Rates; Key Engineering Materials; Vol. 712 : Advanced Materials for Technical and Medical Purpose (AMTMP 2016)
| Parent link: | Key Engineering Materials: Scientific Journal Vol. 712 : Advanced Materials for Technical and Medical Purpose (AMTMP 2016).— 2016.— [P. 205-210] |
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| Tóm tắt: | Title screen Influence of Fe-Si-Al-C alloy cooling rate on its phase composition, structure and microhardness is shown based on metallographic investigations, electron microscopy and x-ray diffraction analysis. It was determined that the structure will change from dendrite to grained, size of structure elements will decrease, quantity and size of secondary phases precipitations will decrease when cooling rate changes from 103 to 107 K/s. The metastable phases such as primary ferrite, austenite and complex carbides are formed in cooling rate range. The volume ratio of main phases changes in favor of primary ferrite with cooling rate increasing. Hardening of the material occurs more than twice. Hardening is due to the interaction of solid-solution hardening, grain boundary hardening and dispersive hardening by secondary phases particles. The maximum hardening is achieved during formation of the alloy in molten pool at electron-beam melting. The alloy in this case contains 80 vol. % of austenite with dendrite similar structure and precipitations of carbide and silicocarbide phases. It can be assumed than such structure will be formed from the alloy with investigated composition at additive manufacturing. Режим доступа: по договору с организацией-держателем ресурса |
| Ngôn ngữ: | Tiếng Anh |
| Được phát hành: |
2016
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| Loạt: | Materials and Technologies in Powder Metallurgy and Additive Manufacturing |
| Những chủ đề: | |
| Truy cập trực tuyến: | http://dx.doi.org/10.4028/www.scientific.net/KEM.712.205 |
| Định dạng: | Điện tử Chương của sách |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=651307 |
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| 200 | 1 | |a The Structure of Quaternary Iron-Based Alloy Obtained at High and Ultrahigh Cooling Rates |f Zh. G. Kovalevskaya, E. A. Kovalevskiy, M. A. Khimich | |
| 203 | |a Text |c electronic | ||
| 225 | 1 | |a Materials and Technologies in Powder Metallurgy and Additive Manufacturing | |
| 300 | |a Title screen | ||
| 330 | |a Influence of Fe-Si-Al-C alloy cooling rate on its phase composition, structure and microhardness is shown based on metallographic investigations, electron microscopy and x-ray diffraction analysis. It was determined that the structure will change from dendrite to grained, size of structure elements will decrease, quantity and size of secondary phases precipitations will decrease when cooling rate changes from 103 to 107 K/s. The metastable phases such as primary ferrite, austenite and complex carbides are formed in cooling rate range. The volume ratio of main phases changes in favor of primary ferrite with cooling rate increasing. Hardening of the material occurs more than twice. Hardening is due to the interaction of solid-solution hardening, grain boundary hardening and dispersive hardening by secondary phases particles. The maximum hardening is achieved during formation of the alloy in molten pool at electron-beam melting. The alloy in this case contains 80 vol. % of austenite with dendrite similar structure and precipitations of carbide and silicocarbide phases. It can be assumed than such structure will be formed from the alloy with investigated composition at additive manufacturing. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\11477 |t Key Engineering Materials |o Scientific Journal | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\16425 |t Vol. 712 : Advanced Materials for Technical and Medical Purpose (AMTMP 2016) |o The Workshop , February 15-17, 2016, Tomsk, Russia |o [proceedings] |f National Research Tomsk Polytechnic University (TPU) ; eds. G. E. Osokin [et al.] |v [P. 205-210] |d 2016 | |
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