Preparation and Electrorheological Properties of Anhydrous Aluminum Orthophosphate
— We have studied the process and products of thermal dehydration of highly dispersed monoclinic AlРO 4 ⋅2Н 2 О prepared by crystallization from an aluminum phosphate solution at 95–97°C and demonstrated the influence of isothermal or polythermal heat treatment on the formation of AlPO 4 polymorphs...
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| Veröffentlicht in: | Inorganic materials 2023, Vol.59 (1), p.75-80 |
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| creator | Eshchenko, L. S. Korobko, E. V. Paniatouski, A. V. |
| description | —
We have studied the process and products of thermal dehydration of highly dispersed monoclinic AlРO
4
⋅2Н
2
О prepared by crystallization from an aluminum phosphate solution at 95–97°C and demonstrated the influence of isothermal or polythermal heat treatment on the formation of AlPO
4
polymorphs similar in structure to α-quartz or tridymite. The formation of these phases has been shown to be related to changes in the oxygen coordination of aluminum as a result of the detachment of highly polarized molecules of water of crystallization in the composition of AlРO
4
⋅2Н
2
О. We have assessed the electrorheological (ER) activity of AlPO
4
as a disperse phase of electrorheological fluids, with a weight fraction from 10 to 20%, and found out how AlPO
4
preparation conditions influence the shear stress of the electrorheological fluids in electric fields from 3.5 to 4.0 kV/mm. Suspensions containing tridymite AlPO
4
particles prepared under isothermal conditions have been shown to exhibit a stronger ER effect, at a level from 420 to 620 Pa. The ER activity of AlPO
4
has been shown to increase with increasing heat treatment temperature and time, which is attributable to the formation of a more defect-rich particle surface due to intrinsic thermal disorder. |
| doi_str_mv | 10.1134/S0020168523010077 |
| format | Article |
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We have studied the process and products of thermal dehydration of highly dispersed monoclinic AlРO
4
⋅2Н
2
О prepared by crystallization from an aluminum phosphate solution at 95–97°C and demonstrated the influence of isothermal or polythermal heat treatment on the formation of AlPO
4
polymorphs similar in structure to α-quartz or tridymite. The formation of these phases has been shown to be related to changes in the oxygen coordination of aluminum as a result of the detachment of highly polarized molecules of water of crystallization in the composition of AlРO
4
⋅2Н
2
О. We have assessed the electrorheological (ER) activity of AlPO
4
as a disperse phase of electrorheological fluids, with a weight fraction from 10 to 20%, and found out how AlPO
4
preparation conditions influence the shear stress of the electrorheological fluids in electric fields from 3.5 to 4.0 kV/mm. Suspensions containing tridymite AlPO
4
particles prepared under isothermal conditions have been shown to exhibit a stronger ER effect, at a level from 420 to 620 Pa. The ER activity of AlPO
4
has been shown to increase with increasing heat treatment temperature and time, which is attributable to the formation of a more defect-rich particle surface due to intrinsic thermal disorder.</description><identifier>ISSN: 0020-1685</identifier><identifier>EISSN: 1608-3172</identifier><identifier>DOI: 10.1134/S0020168523010077</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Aluminum ; Aluminum phosphate ; Chemistry ; Chemistry and Materials Science ; Crystal defects ; Crystallization ; Dehydration ; Electric fields ; Electrorheological fluids ; Heat treatment ; Industrial Chemistry/Chemical Engineering ; Inorganic Chemistry ; Materials Science ; Shear stress ; Tridymite</subject><ispartof>Inorganic materials, 2023, Vol.59 (1), p.75-80</ispartof><rights>Pleiades Publishing, Ltd. 2023. ISSN 0020-1685, Inorganic Materials, 2023, Vol. 59, No. 1, pp. 75–80. © Pleiades Publishing, Ltd., 2023. ISSN 0020-1685, Inorganic Materials, 2023. © Pleiades Publishing, Ltd., 2023. Russian Text © The Author(s), 2023, published in Neorganicheskie Materialy, 2023, Vol. 59, No. 1, pp. 77–82.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-f518a268d29c90497a7be107b9aae94c77c7ce888d07d5c53ab3994d3e5aa1683</citedby><cites>FETCH-LOGICAL-c316t-f518a268d29c90497a7be107b9aae94c77c7ce888d07d5c53ab3994d3e5aa1683</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S0020168523010077$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S0020168523010077$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids></links><search><creatorcontrib>Eshchenko, L. S.</creatorcontrib><creatorcontrib>Korobko, E. V.</creatorcontrib><creatorcontrib>Paniatouski, A. V.</creatorcontrib><title>Preparation and Electrorheological Properties of Anhydrous Aluminum Orthophosphate</title><title>Inorganic materials</title><addtitle>Inorg Mater</addtitle><description>—
We have studied the process and products of thermal dehydration of highly dispersed monoclinic AlРO
4
⋅2Н
2
О prepared by crystallization from an aluminum phosphate solution at 95–97°C and demonstrated the influence of isothermal or polythermal heat treatment on the formation of AlPO
4
polymorphs similar in structure to α-quartz or tridymite. The formation of these phases has been shown to be related to changes in the oxygen coordination of aluminum as a result of the detachment of highly polarized molecules of water of crystallization in the composition of AlРO
4
⋅2Н
2
О. We have assessed the electrorheological (ER) activity of AlPO
4
as a disperse phase of electrorheological fluids, with a weight fraction from 10 to 20%, and found out how AlPO
4
preparation conditions influence the shear stress of the electrorheological fluids in electric fields from 3.5 to 4.0 kV/mm. Suspensions containing tridymite AlPO
4
particles prepared under isothermal conditions have been shown to exhibit a stronger ER effect, at a level from 420 to 620 Pa. The ER activity of AlPO
4
has been shown to increase with increasing heat treatment temperature and time, which is attributable to the formation of a more defect-rich particle surface due to intrinsic thermal disorder.</description><subject>Aluminum</subject><subject>Aluminum phosphate</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Crystal defects</subject><subject>Crystallization</subject><subject>Dehydration</subject><subject>Electric fields</subject><subject>Electrorheological fluids</subject><subject>Heat treatment</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Inorganic Chemistry</subject><subject>Materials Science</subject><subject>Shear stress</subject><subject>Tridymite</subject><issn>0020-1685</issn><issn>1608-3172</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp1kM1OwzAQhC0EEqXwANwscQ6s7SS2j1VVKFKlVvycI9dxmlRpHNbOoW9PqiJxQJz2MPPNaIeQewaPjIn06R2AA8tVxgUwACkvyITloBLBJL8kk5OcnPRrchPCHgDSTOkJedug6w2a2PiOmq6ki9bZiB5r51u_a6xp6QZ97zA2LlBf0VlXH0v0Q6Czdjg03XCga4y172sf-tpEd0uuKtMGd_dzp-TzefExXyar9cvrfLZKrGB5TKqMKcNzVXJtNaRaGrl1DORWG-N0aqW00jqlVAmyzGwmzFZonZbCZcaMn4gpeTjn9ui_BhdisfcDdmNlwZXmWoESMLrY2WXRh4CuKnpsDgaPBYPiNF3xZ7qR4WcmjN5u5_A3-X_oG9P-cNA</recordid><startdate>2023</startdate><enddate>2023</enddate><creator>Eshchenko, L. S.</creator><creator>Korobko, E. V.</creator><creator>Paniatouski, A. V.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2023</creationdate><title>Preparation and Electrorheological Properties of Anhydrous Aluminum Orthophosphate</title><author>Eshchenko, L. S. ; Korobko, E. V. ; Paniatouski, A. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-f518a268d29c90497a7be107b9aae94c77c7ce888d07d5c53ab3994d3e5aa1683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Aluminum</topic><topic>Aluminum phosphate</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Crystal defects</topic><topic>Crystallization</topic><topic>Dehydration</topic><topic>Electric fields</topic><topic>Electrorheological fluids</topic><topic>Heat treatment</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Inorganic Chemistry</topic><topic>Materials Science</topic><topic>Shear stress</topic><topic>Tridymite</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eshchenko, L. S.</creatorcontrib><creatorcontrib>Korobko, E. V.</creatorcontrib><creatorcontrib>Paniatouski, A. V.</creatorcontrib><collection>CrossRef</collection><jtitle>Inorganic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eshchenko, L. S.</au><au>Korobko, E. V.</au><au>Paniatouski, A. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation and Electrorheological Properties of Anhydrous Aluminum Orthophosphate</atitle><jtitle>Inorganic materials</jtitle><stitle>Inorg Mater</stitle><date>2023</date><risdate>2023</risdate><volume>59</volume><issue>1</issue><spage>75</spage><epage>80</epage><pages>75-80</pages><issn>0020-1685</issn><eissn>1608-3172</eissn><abstract>—
We have studied the process and products of thermal dehydration of highly dispersed monoclinic AlРO
4
⋅2Н
2
О prepared by crystallization from an aluminum phosphate solution at 95–97°C and demonstrated the influence of isothermal or polythermal heat treatment on the formation of AlPO
4
polymorphs similar in structure to α-quartz or tridymite. The formation of these phases has been shown to be related to changes in the oxygen coordination of aluminum as a result of the detachment of highly polarized molecules of water of crystallization in the composition of AlРO
4
⋅2Н
2
О. We have assessed the electrorheological (ER) activity of AlPO
4
as a disperse phase of electrorheological fluids, with a weight fraction from 10 to 20%, and found out how AlPO
4
preparation conditions influence the shear stress of the electrorheological fluids in electric fields from 3.5 to 4.0 kV/mm. Suspensions containing tridymite AlPO
4
particles prepared under isothermal conditions have been shown to exhibit a stronger ER effect, at a level from 420 to 620 Pa. The ER activity of AlPO
4
has been shown to increase with increasing heat treatment temperature and time, which is attributable to the formation of a more defect-rich particle surface due to intrinsic thermal disorder.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S0020168523010077</doi><tpages>6</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Aluminum Aluminum phosphate Chemistry Chemistry and Materials Science Crystal defects Crystallization Dehydration Electric fields Electrorheological fluids Heat treatment Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Science Shear stress Tridymite |
| title | Preparation and Electrorheological Properties of Anhydrous Aluminum Orthophosphate |
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