Comparative Study of Structures and Properties of Detonation Coatings with α-Al2O3 and γ-Al2O3 Main Phases
This study is aimed at obtaining a coating of aluminum oxide containing α-Al2O3 as the main phase by detonation spraying, as well as a comparative study of the structural, tribological and mechanical properties of coatings with the main phases of α-Al2O3 and γ-Al2O3. It was experimentally revealed f...
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| Veröffentlicht in: | Coatings (Basel) 2021-12, Vol.11 (12), p.1566 |
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| creator | Rakhadilov, Bauyrzhan Kakimzhanov, Dauir Baizhan, Daryn Muslimanova, Gulnar Pazylbek, Sapargali Zhurerova, Laila |
| description | This study is aimed at obtaining a coating of aluminum oxide containing α-Al2O3 as the main phase by detonation spraying, as well as a comparative study of the structural, tribological and mechanical properties of coatings with the main phases of α-Al2O3 and γ-Al2O3. It was experimentally revealed for the first time that the use of propane as a combustible gas and the optimization of the technological regime of detonation spraying leads to the formation of an aluminum oxide coating containing α-Al2O3 as the main phase. Tribological tests have shown that the coating with the main phase of α-Al2O3 has a low value of wear volume and coefficient of friction in comparison with the coating with the main phase of γ-Al2O3. It was also determined that the microhardness of the coating with the main phase of α-Al2O3 is 25% higher than that of the coatings with the main phase of γ-Al2O3. Erosion resistance tests have shown (evaluated by weight loss) that the coating with α-Al2O3 phase is erosion-resistant compared to the coating with γ-Al2O3 (seen by erosion craters). However, the coating with the main phase of γ-Al2O3 has a high value of adhesion strength, which is 2 times higher than that of the coating with the main phase of α-Al2O3. As the destruction of coatings by the primary phase, α-Al2O3 began at low loads than the coating with the main phase γ-Al2O3. The results obtained provide the prerequisites for the creation of wear-resistant, hard and durable layered coatings, in which the lower layer has the main phase of γ-Al2O3, and the upper layer has the main phase of α-Al2O3. |
| doi_str_mv | 10.3390/coatings11121566 |
| format | Article |
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It was experimentally revealed for the first time that the use of propane as a combustible gas and the optimization of the technological regime of detonation spraying leads to the formation of an aluminum oxide coating containing α-Al2O3 as the main phase. Tribological tests have shown that the coating with the main phase of α-Al2O3 has a low value of wear volume and coefficient of friction in comparison with the coating with the main phase of γ-Al2O3. It was also determined that the microhardness of the coating with the main phase of α-Al2O3 is 25% higher than that of the coatings with the main phase of γ-Al2O3. Erosion resistance tests have shown (evaluated by weight loss) that the coating with α-Al2O3 phase is erosion-resistant compared to the coating with γ-Al2O3 (seen by erosion craters). However, the coating with the main phase of γ-Al2O3 has a high value of adhesion strength, which is 2 times higher than that of the coating with the main phase of α-Al2O3. As the destruction of coatings by the primary phase, α-Al2O3 began at low loads than the coating with the main phase γ-Al2O3. The results obtained provide the prerequisites for the creation of wear-resistant, hard and durable layered coatings, in which the lower layer has the main phase of γ-Al2O3, and the upper layer has the main phase of α-Al2O3.</description><identifier>ISSN: 2079-6412</identifier><identifier>EISSN: 2079-6412</identifier><identifier>DOI: 10.3390/coatings11121566</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Adhesive strength ; Aluminum oxide ; Coefficient of friction ; Comparative studies ; Corrosion resistance ; Detonation ; Erosion resistance ; Flammability ; Gases ; Mechanical properties ; Methods ; Microhardness ; Optimization ; Oxide coatings ; Plasma ; Propane ; Protective coatings ; Sliding friction ; Spraying ; Transitional aluminas ; Tribology ; Wear resistance ; Weight loss</subject><ispartof>Coatings (Basel), 2021-12, Vol.11 (12), p.1566</ispartof><rights>2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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It was experimentally revealed for the first time that the use of propane as a combustible gas and the optimization of the technological regime of detonation spraying leads to the formation of an aluminum oxide coating containing α-Al2O3 as the main phase. Tribological tests have shown that the coating with the main phase of α-Al2O3 has a low value of wear volume and coefficient of friction in comparison with the coating with the main phase of γ-Al2O3. It was also determined that the microhardness of the coating with the main phase of α-Al2O3 is 25% higher than that of the coatings with the main phase of γ-Al2O3. Erosion resistance tests have shown (evaluated by weight loss) that the coating with α-Al2O3 phase is erosion-resistant compared to the coating with γ-Al2O3 (seen by erosion craters). However, the coating with the main phase of γ-Al2O3 has a high value of adhesion strength, which is 2 times higher than that of the coating with the main phase of α-Al2O3. As the destruction of coatings by the primary phase, α-Al2O3 began at low loads than the coating with the main phase γ-Al2O3. The results obtained provide the prerequisites for the creation of wear-resistant, hard and durable layered coatings, in which the lower layer has the main phase of γ-Al2O3, and the upper layer has the main phase of α-Al2O3.</description><subject>Adhesive strength</subject><subject>Aluminum oxide</subject><subject>Coefficient of friction</subject><subject>Comparative studies</subject><subject>Corrosion resistance</subject><subject>Detonation</subject><subject>Erosion resistance</subject><subject>Flammability</subject><subject>Gases</subject><subject>Mechanical properties</subject><subject>Methods</subject><subject>Microhardness</subject><subject>Optimization</subject><subject>Oxide coatings</subject><subject>Plasma</subject><subject>Propane</subject><subject>Protective coatings</subject><subject>Sliding friction</subject><subject>Spraying</subject><subject>Transitional aluminas</subject><subject>Tribology</subject><subject>Wear resistance</subject><subject>Weight loss</subject><issn>2079-6412</issn><issn>2079-6412</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdUMtOwzAQtBBIVKV3jpY4B7y24yTHKjylolYCzpFjOzRVGwfbAfWzEP_Rb8LQHhB72RntzI40CJ0DuWSsIFfKytB2rx4AKKRCHKERJVmRCA70-A8-RRPvVyROASyHYoTWpd300kX7u8FPYdBbbJsI3KDC4IzHstN44WxvXGgjjcdrE2wXDbbD5SEXf7RhiXefyXRN5-zXs_s6kEfZdnixlN74M3TSyLU3k8Meo5fbm-fyPpnN7x7K6SxRDFhIcsZybrKMaVUwrrmSJOXGCK4zIkUOdUNBpGkhGOeE5rnkRJsaqKJ1qlORsjG62P_tnX0bjA_Vyg6ui5EVFUAzwYBDVJG9SjnrvTNN1bt2I922AlL91Fr9r5V9A_U6bG8</recordid><startdate>20211201</startdate><enddate>20211201</enddate><creator>Rakhadilov, Bauyrzhan</creator><creator>Kakimzhanov, Dauir</creator><creator>Baizhan, Daryn</creator><creator>Muslimanova, Gulnar</creator><creator>Pazylbek, Sapargali</creator><creator>Zhurerova, Laila</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0002-9105-3129</orcidid><orcidid>https://orcid.org/0000-0001-9453-0456</orcidid></search><sort><creationdate>20211201</creationdate><title>Comparative Study of Structures and Properties of Detonation Coatings with α-Al2O3 and γ-Al2O3 Main Phases</title><author>Rakhadilov, Bauyrzhan ; Kakimzhanov, Dauir ; Baizhan, Daryn ; Muslimanova, Gulnar ; Pazylbek, Sapargali ; Zhurerova, Laila</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c313t-83384e773dc934d4ca054ee64d70a681bf21655963440288a40deb12c2b5d5653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adhesive strength</topic><topic>Aluminum oxide</topic><topic>Coefficient of friction</topic><topic>Comparative studies</topic><topic>Corrosion resistance</topic><topic>Detonation</topic><topic>Erosion resistance</topic><topic>Flammability</topic><topic>Gases</topic><topic>Mechanical properties</topic><topic>Methods</topic><topic>Microhardness</topic><topic>Optimization</topic><topic>Oxide coatings</topic><topic>Plasma</topic><topic>Propane</topic><topic>Protective coatings</topic><topic>Sliding friction</topic><topic>Spraying</topic><topic>Transitional aluminas</topic><topic>Tribology</topic><topic>Wear resistance</topic><topic>Weight loss</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rakhadilov, Bauyrzhan</creatorcontrib><creatorcontrib>Kakimzhanov, Dauir</creatorcontrib><creatorcontrib>Baizhan, Daryn</creatorcontrib><creatorcontrib>Muslimanova, Gulnar</creatorcontrib><creatorcontrib>Pazylbek, Sapargali</creatorcontrib><creatorcontrib>Zhurerova, Laila</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Coatings (Basel)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rakhadilov, Bauyrzhan</au><au>Kakimzhanov, Dauir</au><au>Baizhan, Daryn</au><au>Muslimanova, Gulnar</au><au>Pazylbek, Sapargali</au><au>Zhurerova, Laila</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparative Study of Structures and Properties of Detonation Coatings with α-Al2O3 and γ-Al2O3 Main Phases</atitle><jtitle>Coatings (Basel)</jtitle><date>2021-12-01</date><risdate>2021</risdate><volume>11</volume><issue>12</issue><spage>1566</spage><pages>1566-</pages><issn>2079-6412</issn><eissn>2079-6412</eissn><abstract>This study is aimed at obtaining a coating of aluminum oxide containing α-Al2O3 as the main phase by detonation spraying, as well as a comparative study of the structural, tribological and mechanical properties of coatings with the main phases of α-Al2O3 and γ-Al2O3. It was experimentally revealed for the first time that the use of propane as a combustible gas and the optimization of the technological regime of detonation spraying leads to the formation of an aluminum oxide coating containing α-Al2O3 as the main phase. Tribological tests have shown that the coating with the main phase of α-Al2O3 has a low value of wear volume and coefficient of friction in comparison with the coating with the main phase of γ-Al2O3. It was also determined that the microhardness of the coating with the main phase of α-Al2O3 is 25% higher than that of the coatings with the main phase of γ-Al2O3. Erosion resistance tests have shown (evaluated by weight loss) that the coating with α-Al2O3 phase is erosion-resistant compared to the coating with γ-Al2O3 (seen by erosion craters). However, the coating with the main phase of γ-Al2O3 has a high value of adhesion strength, which is 2 times higher than that of the coating with the main phase of α-Al2O3. As the destruction of coatings by the primary phase, α-Al2O3 began at low loads than the coating with the main phase γ-Al2O3. The results obtained provide the prerequisites for the creation of wear-resistant, hard and durable layered coatings, in which the lower layer has the main phase of γ-Al2O3, and the upper layer has the main phase of α-Al2O3.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/coatings11121566</doi><orcidid>https://orcid.org/0000-0002-9105-3129</orcidid><orcidid>https://orcid.org/0000-0001-9453-0456</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Adhesive strength Aluminum oxide Coefficient of friction Comparative studies Corrosion resistance Detonation Erosion resistance Flammability Gases Mechanical properties Methods Microhardness Optimization Oxide coatings Plasma Propane Protective coatings Sliding friction Spraying Transitional aluminas Tribology Wear resistance Weight loss |
| title | Comparative Study of Structures and Properties of Detonation Coatings with α-Al2O3 and γ-Al2O3 Main Phases |
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