The effect of pulsed electron beam melting on microstructure, friction and wear of WC–Hadfield steel hard metal; Wear; Vol. 257, iss. 1-2
| Parent link: | Wear: Scientific Journal Vol. 257, iss. 1-2.— 2004.— [P. 97-103] |
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| Další autoři: | , , , |
| Shrnutí: | Title screen Both structure and phase transformations in subsurface layers as well as the tribological characteristics of WC+30 wt.% Hadfield steel hard metal subjected to pulsed electron beam melting and then rubbed against a disk made of tool steel have been investigated. The melting was induced by a low-energy (10–40 keV), high-current electron beam (2.5 µS, 5–40 J/cm2). It has been established that the pulsed melting and following high-speed quenching of the subsurface layers resulted in reducing the grain size of both initial carbide and binding phases as well as in forming metastable carbides of type M12C and M23C6. It has been shown that the microstructural changes provided an increase in the surface microhardness by a factor of 1.5, a decrease in the friction coefficient by a factor of 2, and enhanced wear resistance, as compared to the untreated material Режим доступа: по договору с организацией-держателем ресурса |
| Jazyk: | angličtina |
| Vydáno: |
2004
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| Témata: | |
| On-line přístup: | http://dx.doi.org/10.1016/j.wear.2003.10.011 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=636218 |
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| 200 | 1 | |a The effect of pulsed electron beam melting on microstructure, friction and wear of WC–Hadfield steel hard metal |f S. F. Gnyusov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 330 | |a Both structure and phase transformations in subsurface layers as well as the tribological characteristics of WC+30 wt.% Hadfield steel hard metal subjected to pulsed electron beam melting and then rubbed against a disk made of tool steel have been investigated. The melting was induced by a low-energy (10–40 keV), high-current electron beam (2.5 µS, 5–40 J/cm2). It has been established that the pulsed melting and following high-speed quenching of the subsurface layers resulted in reducing the grain size of both initial carbide and binding phases as well as in forming metastable carbides of type M12C and M23C6. It has been shown that the microstructural changes provided an increase in the surface microhardness by a factor of 1.5, a decrease in the friction coefficient by a factor of 2, and enhanced wear resistance, as compared to the untreated material | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Wear |o Scientific Journal | ||
| 463 | |t Vol. 257, iss. 1-2 |v [P. 97-103] |d 2004 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a wear | |
| 610 | 1 | |a износ | |
| 610 | 1 | |a friction | |
| 610 | 1 | |a трение | |
| 610 | 1 | |a electron beam melting | |
| 610 | 1 | |a electron beam melting | |
| 610 | 1 | |a электронно-лучевые установки | |
| 610 | 1 | |a tungsten carbide | |
| 610 | 1 | |a карбид вольфрама | |
| 610 | 1 | |a steels | |
| 610 | 1 | |a стали | |
| 701 | 1 | |a Gnyusov |b S. F. |c specialist in the field of mechanical engineering |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1960- |g Sergey Fedorovich |3 (RuTPU)RU\TPU\pers\31403 | |
| 701 | 1 | |a Tarasov |b S. Yu. |c specialist in the field of mechanical engineering |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1959- |g Sergei Yulievich |3 (RuTPU)RU\TPU\pers\31400 |9 15572 | |
| 701 | 1 | |a Ivanov |b Yu. | |
| 701 | 1 | |a Rothstein |b V. | |
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| 856 | 4 | |u http://dx.doi.org/10.1016/j.wear.2003.10.011 | |
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