The effect of the solution and aging treatments on the microstructures and microhardness of nickel-based superalloy
Due to their high thermal stability under severe working conditions and harsh environment, nickel (Ni)-based superalloys, such as Inconel 718, Inconel 738, GTD11, and René 40, are largely used in gas turbine industry. The gamma prime (γʹ) precipitates, that are coherent with the gamma (γ) matrix in...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2020-05, Vol.126 (5), Article 345 |
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| creator | Sifi, Ouahid Djeghlal, Mohammed El Amine Mebdoua, Yamina Djeraf, Sofiane Hadj-Larbi, Fayçal |
| description | Due to their high thermal stability under severe working conditions and harsh environment, nickel (Ni)-based superalloys, such as Inconel 718, Inconel 738, GTD11, and René 40, are largely used in gas turbine industry. The gamma prime (γʹ) precipitates, that are coherent with the gamma (γ) matrix in these superalloys, provide excellent mechanical properties at high operating temperatures. However, after a long time of functioning, (γʹ) precipitates coarsen and lose their coherency with the matrix, which causes damages in gas turbine blades. The main purpose of this paper is to study the effect of both solid solution and aging heat treatments temperatures on the microstructural evolution in an Inconel 738 superalloy blade, which was received after few tens of thousands of service hours. The resulting microstructures were analyzed by using scanning electron microscopy and optical microscopy along with Vickers microhardness measurements. The obtained results show that the Vickers microhardness of the studied superalloy is related to size, shape, volume fraction, and distribution of the hardening phase (γʹ) [Ni
3
(Al, Ti)], and to its carbides as well. It was found that the microstructural stability is related to the working temperature. |
| doi_str_mv | 10.1007/s00339-020-03517-2 |
| format | Article |
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3
(Al, Ti)], and to its carbides as well. It was found that the microstructural stability is related to the working temperature.</description><identifier>ISSN: 0947-8396</identifier><identifier>EISSN: 1432-0630</identifier><identifier>DOI: 10.1007/s00339-020-03517-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Applied physics ; Characterization and Evaluation of Materials ; Chemical precipitation ; Condensed Matter Physics ; Diamond pyramid hardness ; Gas turbine engines ; Heat treating ; Heat treatment ; Machines ; Manufacturing ; Materials science ; Mechanical properties ; Microscopy ; Microstructure ; Nanotechnology ; Nickel ; Nickel base alloys ; Operating temperature ; Optical and Electronic Materials ; Optical microscopy ; Physics ; Physics and Astronomy ; Precipitates ; Processes ; Solid solutions ; Superalloys ; Surfaces and Interfaces ; Thermal stability ; Thin Films ; Turbine blades</subject><ispartof>Applied physics. A, Materials science & processing, 2020-05, Vol.126 (5), Article 345</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-c8438edbdf6eee685bdeb2ef7e386f92c2e19ec461fa15f7a8388c9aad62688b3</citedby><cites>FETCH-LOGICAL-c319t-c8438edbdf6eee685bdeb2ef7e386f92c2e19ec461fa15f7a8388c9aad62688b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00339-020-03517-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00339-020-03517-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Sifi, Ouahid</creatorcontrib><creatorcontrib>Djeghlal, Mohammed El Amine</creatorcontrib><creatorcontrib>Mebdoua, Yamina</creatorcontrib><creatorcontrib>Djeraf, Sofiane</creatorcontrib><creatorcontrib>Hadj-Larbi, Fayçal</creatorcontrib><title>The effect of the solution and aging treatments on the microstructures and microhardness of nickel-based superalloy</title><title>Applied physics. A, Materials science & processing</title><addtitle>Appl. Phys. A</addtitle><description>Due to their high thermal stability under severe working conditions and harsh environment, nickel (Ni)-based superalloys, such as Inconel 718, Inconel 738, GTD11, and René 40, are largely used in gas turbine industry. The gamma prime (γʹ) precipitates, that are coherent with the gamma (γ) matrix in these superalloys, provide excellent mechanical properties at high operating temperatures. However, after a long time of functioning, (γʹ) precipitates coarsen and lose their coherency with the matrix, which causes damages in gas turbine blades. The main purpose of this paper is to study the effect of both solid solution and aging heat treatments temperatures on the microstructural evolution in an Inconel 738 superalloy blade, which was received after few tens of thousands of service hours. The resulting microstructures were analyzed by using scanning electron microscopy and optical microscopy along with Vickers microhardness measurements. The obtained results show that the Vickers microhardness of the studied superalloy is related to size, shape, volume fraction, and distribution of the hardening phase (γʹ) [Ni
3
(Al, Ti)], and to its carbides as well. It was found that the microstructural stability is related to the working temperature.</description><subject>Applied physics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical precipitation</subject><subject>Condensed Matter Physics</subject><subject>Diamond pyramid hardness</subject><subject>Gas turbine engines</subject><subject>Heat treating</subject><subject>Heat treatment</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Microscopy</subject><subject>Microstructure</subject><subject>Nanotechnology</subject><subject>Nickel</subject><subject>Nickel base alloys</subject><subject>Operating temperature</subject><subject>Optical and Electronic Materials</subject><subject>Optical microscopy</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Precipitates</subject><subject>Processes</subject><subject>Solid solutions</subject><subject>Superalloys</subject><subject>Surfaces and Interfaces</subject><subject>Thermal stability</subject><subject>Thin Films</subject><subject>Turbine blades</subject><issn>0947-8396</issn><issn>1432-0630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1PAyEURYnRxFr9A65IXKN8TBlYmsavpImbuiYM82inTpkKzMJ_L-2YuJMN4eXc-8JB6JbRe0Zp_ZAoFUITyimhYsFqws_QjFWCEyoFPUczqquaKKHlJbpKaUfLqTifobTeAgbvwWU8eJzLKw39mLshYBtabDdd2OAcweY9hJxwmR-hfefikHIcXR4jpBN7mm1tbAOkdGwLnfuEnjQ2QYvTeIBo-374vkYX3vYJbn7vOfp4flovX8nq_eVt-bgiTjCdiVOVUNA2rZcAINWiaaHh4GsQSnrNHQemwVWSecsWvrZKKOW0ta3kUqlGzNHd1HuIw9cIKZvdMMZQVhouNGWqiNKF4hN1_FCK4M0hdnsbvw2j5ijXTHJNkWtOckt6jsQUSgUOG4h_1f-kfgDrJ3_A</recordid><startdate>20200501</startdate><enddate>20200501</enddate><creator>Sifi, Ouahid</creator><creator>Djeghlal, Mohammed El Amine</creator><creator>Mebdoua, Yamina</creator><creator>Djeraf, Sofiane</creator><creator>Hadj-Larbi, Fayçal</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200501</creationdate><title>The effect of the solution and aging treatments on the microstructures and microhardness of nickel-based superalloy</title><author>Sifi, Ouahid ; Djeghlal, Mohammed El Amine ; Mebdoua, Yamina ; Djeraf, Sofiane ; Hadj-Larbi, Fayçal</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-c8438edbdf6eee685bdeb2ef7e386f92c2e19ec461fa15f7a8388c9aad62688b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Applied physics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical precipitation</topic><topic>Condensed Matter Physics</topic><topic>Diamond pyramid hardness</topic><topic>Gas turbine engines</topic><topic>Heat treating</topic><topic>Heat treatment</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Microscopy</topic><topic>Microstructure</topic><topic>Nanotechnology</topic><topic>Nickel</topic><topic>Nickel base alloys</topic><topic>Operating temperature</topic><topic>Optical and Electronic Materials</topic><topic>Optical microscopy</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Precipitates</topic><topic>Processes</topic><topic>Solid solutions</topic><topic>Superalloys</topic><topic>Surfaces and Interfaces</topic><topic>Thermal stability</topic><topic>Thin Films</topic><topic>Turbine blades</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sifi, Ouahid</creatorcontrib><creatorcontrib>Djeghlal, Mohammed El Amine</creatorcontrib><creatorcontrib>Mebdoua, Yamina</creatorcontrib><creatorcontrib>Djeraf, Sofiane</creatorcontrib><creatorcontrib>Hadj-Larbi, Fayçal</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics. A, Materials science & processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sifi, Ouahid</au><au>Djeghlal, Mohammed El Amine</au><au>Mebdoua, Yamina</au><au>Djeraf, Sofiane</au><au>Hadj-Larbi, Fayçal</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of the solution and aging treatments on the microstructures and microhardness of nickel-based superalloy</atitle><jtitle>Applied physics. A, Materials science & processing</jtitle><stitle>Appl. Phys. A</stitle><date>2020-05-01</date><risdate>2020</risdate><volume>126</volume><issue>5</issue><artnum>345</artnum><issn>0947-8396</issn><eissn>1432-0630</eissn><abstract>Due to their high thermal stability under severe working conditions and harsh environment, nickel (Ni)-based superalloys, such as Inconel 718, Inconel 738, GTD11, and René 40, are largely used in gas turbine industry. The gamma prime (γʹ) precipitates, that are coherent with the gamma (γ) matrix in these superalloys, provide excellent mechanical properties at high operating temperatures. However, after a long time of functioning, (γʹ) precipitates coarsen and lose their coherency with the matrix, which causes damages in gas turbine blades. The main purpose of this paper is to study the effect of both solid solution and aging heat treatments temperatures on the microstructural evolution in an Inconel 738 superalloy blade, which was received after few tens of thousands of service hours. The resulting microstructures were analyzed by using scanning electron microscopy and optical microscopy along with Vickers microhardness measurements. The obtained results show that the Vickers microhardness of the studied superalloy is related to size, shape, volume fraction, and distribution of the hardening phase (γʹ) [Ni
3
(Al, Ti)], and to its carbides as well. It was found that the microstructural stability is related to the working temperature.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00339-020-03517-2</doi></addata></record> |
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| subjects | Applied physics Characterization and Evaluation of Materials Chemical precipitation Condensed Matter Physics Diamond pyramid hardness Gas turbine engines Heat treating Heat treatment Machines Manufacturing Materials science Mechanical properties Microscopy Microstructure Nanotechnology Nickel Nickel base alloys Operating temperature Optical and Electronic Materials Optical microscopy Physics Physics and Astronomy Precipitates Processes Solid solutions Superalloys Surfaces and Interfaces Thermal stability Thin Films Turbine blades |
| title | The effect of the solution and aging treatments on the microstructures and microhardness of nickel-based superalloy |
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