Bronze Sealing Rings Defects and Ways of its Elimination; Applied Mechanics and Materials; Vol. 379 : Innovation materials and manufacturing technologies, economic aspects in enterprises
| Parent link: | Applied Mechanics and Materials: Scientific Journal Vol. 379 : Innovation materials and manufacturing technologies, economic aspects in enterprises.— 2013.— [P. 82-86] |
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| Sumario: | Title screen In the article data about application nanopowder on a structure of coatings of the form are submitted at a casting of lead-tin bronzes. Elimination of gas porosity on a surface bronze cast preparations of high pressure compressors piston rings was the primary goal of such application protectively-dividing coverings. For experimental works mark of multicomponent bronze has been chosen. Its structure includes tin, lead, zinc and nickel. Casting from this bronze received a method of centrifugal molding. Influence of a structure of used protective - separating coating of a foundry core on a surface smoothness was probeed. Was compared action of coatings of a following composition: anti-burning-in coating (a blend of a low dispersible powder of chromium oxide with calcinated vegetable oil); anti-burning-in material ASPF-2/RgU (on the basis a low dispersible powder of graphite and the calcinated vegetable oil); the patent № 2297300 (blend of a ultradispersible powder of dioxide of zirconium with inpowderrial oil. Molding without use of coverings leads porosity depth to 4-5 mm and to a marriage significant amount (to 50 %). Use ASPF-2/RgU completely eliminates welding casting to a casting mold, but porosity on a surface remains. Application of coverings of a casting mold containing in quality of a filler ultradisperse powders oxide metals with low heat conductivity allows in to lower much a roughness and to eliminate gas porosity on a cast surface from lead-tin bronze. A gas time of a surface still remains, but them becomes much less and their form changes. Depth of defects doesn't exceed 1-1,5 mm that doesn't fall outside the limits the admission. Режим доступа: по договору с организацией-держателем ресурса |
| Lenguaje: | inglés |
| Publicado: |
2013
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| Acceso en línea: | http://dx.doi.org/10.4028/www.scientific.net/AMM.379.82 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=638618 |
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| 200 | 1 | |a Bronze Sealing Rings Defects and Ways of its Elimination |f N. V. Martyushev, E. N. Pashkov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a In the article data about application nanopowder on a structure of coatings of the form are submitted at a casting of lead-tin bronzes. Elimination of gas porosity on a surface bronze cast preparations of high pressure compressors piston rings was the primary goal of such application protectively-dividing coverings. For experimental works mark of multicomponent bronze has been chosen. Its structure includes tin, lead, zinc and nickel. Casting from this bronze received a method of centrifugal molding. Influence of a structure of used protective - separating coating of a foundry core on a surface smoothness was probeed. Was compared action of coatings of a following composition: anti-burning-in coating (a blend of a low dispersible powder of chromium oxide with calcinated vegetable oil); anti-burning-in material ASPF-2/RgU (on the basis a low dispersible powder of graphite and the calcinated vegetable oil); the patent № 2297300 (blend of a ultradispersible powder of dioxide of zirconium with inpowderrial oil. Molding without use of coverings leads porosity depth to 4-5 mm and to a marriage significant amount (to 50 %). Use ASPF-2/RgU completely eliminates welding casting to a casting mold, but porosity on a surface remains. Application of coverings of a casting mold containing in quality of a filler ultradisperse powders oxide metals with low heat conductivity allows in to lower much a roughness and to eliminate gas porosity on a cast surface from lead-tin bronze. A gas time of a surface still remains, but them becomes much less and their form changes. Depth of defects doesn't exceed 1-1,5 mm that doesn't fall outside the limits the admission. | ||
| 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\8957 |t Vol. 379 : Innovation materials and manufacturing technologies, economic aspects in enterprises |o 4th International Research Conference, May 23-25, 2013, Yurga, Russia |o [proceedings] |f National Research Tomsk Polytechnic University (TPU) ; ed. D. A. Chinakhov |v [P. 82-86] |d 2013 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 700 | 1 | |a Martyushev |b N. V. |c specialist in the field of material science |c Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences |f 1981- |g Nikita Vladimirovich |3 (RuTPU)RU\TPU\pers\32906 |9 16754 | |
| 701 | 1 | |a Pashkov |b E. N. |c specialist in the field of mechanical engineering |c Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences |f 1975- |g Evgeny Nikolaevich |3 (RuTPU)RU\TPU\pers\31410 |9 15582 | |
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