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Formation of Bulk Alumina Ceramics by Electrophoretic Deposition from Nanoparticle Suspensions
High-density ceramics are prepared via electrophoretic deposition (EPD) from suspensions of alumina-based nanopowders. Al 2 O 3 -based nanopowders are obtained through the electrical explosion of wires (EEW) using wire made of an Al–Mg alloy with a magnesium content of 1.3 wt %. Stable nonaqueous su...
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| Published in: | Russian Journal of Physical Chemistry A 2021-08, Vol.95 (8), p.1519-1528 |
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| Main Authors: | , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c316t-3ecab7296a21f17828e8f9b46f066b2bb12e12d6b0ce22a68140a44812ecae643 |
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| cites | cdi_FETCH-LOGICAL-c316t-3ecab7296a21f17828e8f9b46f066b2bb12e12d6b0ce22a68140a44812ecae643 |
| container_end_page | 1528 |
| container_issue | 8 |
| container_start_page | 1519 |
| container_title | Russian Journal of Physical Chemistry A |
| container_volume | 95 |
| creator | Kalinina, E. G. Rusakova, D. S. Kaigorodov, A. S. Farlenkov, A. S. Safronov, A. P. |
| description | High-density ceramics are prepared via electrophoretic deposition (EPD) from suspensions of alumina-based nanopowders. Al
2
O
3
-based nanopowders are obtained through the electrical explosion of wires (EEW) using wire made of an Al–Mg alloy with a magnesium content of 1.3 wt %. Stable nonaqueous suspensions for EPD are prepared using slightly aggregated spherical Al
2
O
3
nanoparticles with a specific surface area of 40 m
2
/g. With EPD and sintering at 1650°С, it is possible to prepare high-density ceramics with a density of 3.93 g/cm
3
(98.6% of the theoretical value) and a microhardness of 17.7 ± 0.5 GPa. Using a nanopowder based on alumina prepared from the Al–Mg alloy contributes to a substantial improvement in the sinterability of ceramics, due to the formation of MgAl
2
O
4
spinel at a content of ≈2.5 wt %, which allows the density and microhardness of ceramic samples to be raised. |
| doi_str_mv | 10.1134/S0036024421080148 |
| format | article |
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2
O
3
-based nanopowders are obtained through the electrical explosion of wires (EEW) using wire made of an Al–Mg alloy with a magnesium content of 1.3 wt %. Stable nonaqueous suspensions for EPD are prepared using slightly aggregated spherical Al
2
O
3
nanoparticles with a specific surface area of 40 m
2
/g. With EPD and sintering at 1650°С, it is possible to prepare high-density ceramics with a density of 3.93 g/cm
3
(98.6% of the theoretical value) and a microhardness of 17.7 ± 0.5 GPa. Using a nanopowder based on alumina prepared from the Al–Mg alloy contributes to a substantial improvement in the sinterability of ceramics, due to the formation of MgAl
2
O
4
spinel at a content of ≈2.5 wt %, which allows the density and microhardness of ceramic samples to be raised.</description><identifier>ISSN: 0036-0244</identifier><identifier>EISSN: 1531-863X</identifier><identifier>DOI: 10.1134/S0036024421080148</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Aluminum base alloys ; Aluminum oxide ; Bulk density ; Ceramics ; Challenges in Physical Chemistry ; Chemistry ; Chemistry and Materials Science ; Electrophoretic deposition ; Magnesium ; Microhardness ; Nanoparticles ; Physical Chemistry ; Problems ; Sinterability ; Tendencies in Development</subject><ispartof>Russian Journal of Physical Chemistry A, 2021-08, Vol.95 (8), p.1519-1528</ispartof><rights>Pleiades Publishing, Ltd. 2021. ISSN 0036-0244, Russian Journal of Physical Chemistry A, 2021, Vol. 95, No. 8, pp. 1519–1528. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Zhurnal Fizicheskoi Khimii, 2021, Vol. 95, No. 8, pp. 1137–1147.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-3ecab7296a21f17828e8f9b46f066b2bb12e12d6b0ce22a68140a44812ecae643</citedby><cites>FETCH-LOGICAL-c316t-3ecab7296a21f17828e8f9b46f066b2bb12e12d6b0ce22a68140a44812ecae643</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Kalinina, E. G.</creatorcontrib><creatorcontrib>Rusakova, D. S.</creatorcontrib><creatorcontrib>Kaigorodov, A. S.</creatorcontrib><creatorcontrib>Farlenkov, A. S.</creatorcontrib><creatorcontrib>Safronov, A. P.</creatorcontrib><title>Formation of Bulk Alumina Ceramics by Electrophoretic Deposition from Nanoparticle Suspensions</title><title>Russian Journal of Physical Chemistry A</title><addtitle>Russ. J. Phys. Chem</addtitle><description>High-density ceramics are prepared via electrophoretic deposition (EPD) from suspensions of alumina-based nanopowders. Al
2
O
3
-based nanopowders are obtained through the electrical explosion of wires (EEW) using wire made of an Al–Mg alloy with a magnesium content of 1.3 wt %. Stable nonaqueous suspensions for EPD are prepared using slightly aggregated spherical Al
2
O
3
nanoparticles with a specific surface area of 40 m
2
/g. With EPD and sintering at 1650°С, it is possible to prepare high-density ceramics with a density of 3.93 g/cm
3
(98.6% of the theoretical value) and a microhardness of 17.7 ± 0.5 GPa. Using a nanopowder based on alumina prepared from the Al–Mg alloy contributes to a substantial improvement in the sinterability of ceramics, due to the formation of MgAl
2
O
4
spinel at a content of ≈2.5 wt %, which allows the density and microhardness of ceramic samples to be raised.</description><subject>Aluminum base alloys</subject><subject>Aluminum oxide</subject><subject>Bulk density</subject><subject>Ceramics</subject><subject>Challenges in Physical Chemistry</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Electrophoretic deposition</subject><subject>Magnesium</subject><subject>Microhardness</subject><subject>Nanoparticles</subject><subject>Physical Chemistry</subject><subject>Problems</subject><subject>Sinterability</subject><subject>Tendencies in Development</subject><issn>0036-0244</issn><issn>1531-863X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1kLFOwzAQhi0EEqXwAGyWmAM-23XcsZQWkBAMBYmJyDYXSEniYCdD3x6XIjEgppPu-7876SfkFNg5gJAXK8aEYlxKDkwzkHqPjGAiINNKPO-T0RZnW35IjmJcMyalBDkiL0sfGtNXvqW-pJdD_UFn9dBUraFzDKapXKR2Qxc1uj747t0H7CtHr7DzsfrWyuAbem9a35mQUI10NcQO25hgPCYHpakjnvzMMXlaLh7nN9ndw_XtfHaXOQGqzwQ6Y3M-VYZDCbnmGnU5tVKVTCnLrQWOwF-VZQ45N0qDZEZKndbOoJJiTM52d7vgPweMfbH2Q2jTy4JPlJB5rjikFOxSLvgYA5ZFF6rGhE0BrNjWWPypMTl858SUbd8w_F7-X_oCjit0lg</recordid><startdate>20210801</startdate><enddate>20210801</enddate><creator>Kalinina, E. G.</creator><creator>Rusakova, D. S.</creator><creator>Kaigorodov, A. S.</creator><creator>Farlenkov, A. S.</creator><creator>Safronov, A. P.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20210801</creationdate><title>Formation of Bulk Alumina Ceramics by Electrophoretic Deposition from Nanoparticle Suspensions</title><author>Kalinina, E. G. ; Rusakova, D. S. ; Kaigorodov, A. S. ; Farlenkov, A. S. ; Safronov, A. P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-3ecab7296a21f17828e8f9b46f066b2bb12e12d6b0ce22a68140a44812ecae643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Aluminum base alloys</topic><topic>Aluminum oxide</topic><topic>Bulk density</topic><topic>Ceramics</topic><topic>Challenges in Physical Chemistry</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Electrophoretic deposition</topic><topic>Magnesium</topic><topic>Microhardness</topic><topic>Nanoparticles</topic><topic>Physical Chemistry</topic><topic>Problems</topic><topic>Sinterability</topic><topic>Tendencies in Development</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kalinina, E. G.</creatorcontrib><creatorcontrib>Rusakova, D. S.</creatorcontrib><creatorcontrib>Kaigorodov, A. S.</creatorcontrib><creatorcontrib>Farlenkov, A. S.</creatorcontrib><creatorcontrib>Safronov, A. P.</creatorcontrib><collection>CrossRef</collection><jtitle>Russian Journal of Physical Chemistry A</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kalinina, E. G.</au><au>Rusakova, D. S.</au><au>Kaigorodov, A. S.</au><au>Farlenkov, A. S.</au><au>Safronov, A. P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation of Bulk Alumina Ceramics by Electrophoretic Deposition from Nanoparticle Suspensions</atitle><jtitle>Russian Journal of Physical Chemistry A</jtitle><stitle>Russ. J. Phys. Chem</stitle><date>2021-08-01</date><risdate>2021</risdate><volume>95</volume><issue>8</issue><spage>1519</spage><epage>1528</epage><pages>1519-1528</pages><issn>0036-0244</issn><eissn>1531-863X</eissn><abstract>High-density ceramics are prepared via electrophoretic deposition (EPD) from suspensions of alumina-based nanopowders. Al
2
O
3
-based nanopowders are obtained through the electrical explosion of wires (EEW) using wire made of an Al–Mg alloy with a magnesium content of 1.3 wt %. Stable nonaqueous suspensions for EPD are prepared using slightly aggregated spherical Al
2
O
3
nanoparticles with a specific surface area of 40 m
2
/g. With EPD and sintering at 1650°С, it is possible to prepare high-density ceramics with a density of 3.93 g/cm
3
(98.6% of the theoretical value) and a microhardness of 17.7 ± 0.5 GPa. Using a nanopowder based on alumina prepared from the Al–Mg alloy contributes to a substantial improvement in the sinterability of ceramics, due to the formation of MgAl
2
O
4
spinel at a content of ≈2.5 wt %, which allows the density and microhardness of ceramic samples to be raised.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0036024421080148</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0036-0244 |
| ispartof | Russian Journal of Physical Chemistry A, 2021-08, Vol.95 (8), p.1519-1528 |
| issn | 0036-0244 1531-863X |
| language | eng |
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| source | Springer Nature |
| subjects | Aluminum base alloys Aluminum oxide Bulk density Ceramics Challenges in Physical Chemistry Chemistry Chemistry and Materials Science Electrophoretic deposition Magnesium Microhardness Nanoparticles Physical Chemistry Problems Sinterability Tendencies in Development |
| title | Formation of Bulk Alumina Ceramics by Electrophoretic Deposition from Nanoparticle Suspensions |
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