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20230516120945.0 |
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230510|2022 ne s a eng d |
| 024 |
7 |
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|a 10.1016/j.matlet.2022.131854
|2 doi
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|a koha001001524
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|a RU-ToGU
|b rus
|c RU-ToGU
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| 245 |
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|a The effect of separating layer between reacting media and molding template on the porous structure of combustion synthesized Ni-Al intermetallics
|c N. Pichugin, A. Kirdyashkin, V. D. Kitler, A. Maznoy
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|a Текст
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|a электронный
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|a Библиогр.: 8 назв.
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|a This research focuses on identifying conditions under which porous intermetallics with a welded granular structure comprised of mm-sized spheroidal alloy elements can be directly obtained by combustion synthesis using mu m-sized metal powders as starting reagents. The heat loss of reacting medium to a molding template used to shape a powder mixture of reagents significantly reduce the size of the alloy elements in manufactured material, especially near the mixture/template interface. One possible solution to this problem is to employ a separating layer between the powder mixture and the molding template. The effect of separating layers, both chemically inert (ceramic-based) and active (cellulose-based), on the size of Ni-Al elements has been experimentally studied. It was found that notable structure modification can be achieved by using cellulose-based separating layers. The carbon-containing products released during cellulose pyrolysis interact with the reacting medium and promote the coalescence of metal melts. Changing the thickness of the cellulose-based separating layer is an easy way to control the porous structure and permeation properties of combustion synthesized Ni-Al-based intermetallics, which makes them relevant for practical application.
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|a пористые интерметаллиды
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| 653 |
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|a синтез горения
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|a металлические порошки
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|a статьи в журналах
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1 |
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|a Pichugin, Nikita
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1 |
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|a Kirdyashkin, A.
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1 |
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|a Kitler, V. D.
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|a Maznoy, Anatoly
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| 773 |
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|t Materials letters
|d 2022
|g Vol. 314. P. 131854
|x 0167-577X
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4 |
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|a RU-ToGU
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| 856 |
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|u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001001524
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|a статья
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|c 1001524
|d 1001524
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