Methods for Defining the Concentration of Nanostructured Powders in Protective Gas and its Effect on the Microstructure of Deposit Metal; Applied Mechanics and Materials; Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering
| Parent link: | Applied Mechanics and Materials: Scientific Journal Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering.— 2015.— [P. 28-33] |
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| Corporate Author: | |
| Other Authors: | , , , , |
| Summary: | Title screen The effect on the deposited metal structure of nanostructured modifiers introduced into the weldpool has been studied. Methods have been developed for determining the concentration of nanostructured powders of tungsten, molybdenum and Al2O3 in protective gas and for defining their optimal concentration. The influence of nanopowders on the structure of deposited metal was examined in consumable electrode arc welding employing the austenitic steel (chemical composition: C–0,12%, Cr–18%, Ni–10%,Ti–1%) as deposit and 1.2-mm welding wire manufactured from the austenitic steel (chemical composition:C–0,12%, Cr–18%, Ni–9%,Ti–%). Addition of nanostructured powders of tungsten, molybdenum and Al2O3 to the weldpool has shown positive effect on the structure of metal in arc welding. It is shown that introducing the powders decreases dendrite size and leads to the formation of a more equilibrium microstructure of the weld. Режим доступа: по договору с организацией-держателем ресурса |
| Language: | English |
| Published: |
2015
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| Series: | Materials Science in Mechanical Engineering |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.4028/www.scientific.net/AMM.770.28 |
| Format: | Electronic Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643330 |
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| 200 | 1 | |a Methods for Defining the Concentration of Nanostructured Powders in Protective Gas and its Effect on the Microstructure of Deposit Metal |f M. A. Kuznetsov [et al.] | |
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| 225 | 1 | |a Materials Science in Mechanical Engineering | |
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| 330 | |a The effect on the deposited metal structure of nanostructured modifiers introduced into the weldpool has been studied. Methods have been developed for determining the concentration of nanostructured powders of tungsten, molybdenum and Al2O3 in protective gas and for defining their optimal concentration. The influence of nanopowders on the structure of deposited metal was examined in consumable electrode arc welding employing the austenitic steel (chemical composition: C–0,12%, Cr–18%, Ni–10%,Ti–1%) as deposit and 1.2-mm welding wire manufactured from the austenitic steel (chemical composition:C–0,12%, Cr–18%, Ni–9%,Ti–%). Addition of nanostructured powders of tungsten, molybdenum and Al2O3 to the weldpool has shown positive effect on the structure of metal in arc welding. It is shown that introducing the powders decreases dendrite size and leads to the formation of a more equilibrium microstructure of the weld. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | 0 | |0 (RuTPU)RU\TPU\network\5920 |t Applied Mechanics and Materials |o Scientific Journal | |
| 463 | 0 | |0 (RuTPU)RU\TPU\network\8263 |t Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering |o International conference, December 11-12, 2014, Yurga, Russia |o [proceedings] |f National Research Tomsk Polytechnic University (TPU) ; ed. D. A. Chinakhov |v [P. 28-33] |d 2015 | |
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