Microstructure Characterization and Properties of Graphene Oxide-Reinforced TiAl Matrix Composites
TiAl matrix composites reinforced with graphene oxide (GO) were prepared by powder metallurgy technology. The graphene oxide plates were added into TiAl powder by ultrasonic dispersion and milling, and then, shaped by Hot Isostatic Pressing (HIPing). Microstructures of the composites were characteri...
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| Veröffentlicht in: | Metals (Basel ) 2021-06, Vol.11 (6), p.883 |
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| creator | Sun, Zhiyu Zhu, Langping Mo, Xiaofei Nan, Hai Ding, Xianfei |
| description | TiAl matrix composites reinforced with graphene oxide (GO) were prepared by powder metallurgy technology. The graphene oxide plates were added into TiAl powder by ultrasonic dispersion and milling, and then, shaped by Hot Isostatic Pressing (HIPing). Microstructures of the composites were characterized by using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) as well as Raman spectrum were conducted on the composite powder. The thermal and mechanical properties were tested on the TiAl matrix composites. The results show that the compression strength and heat conductivity of the composites can be improved distinctly at both room temperature and high temperature. The heat conductivity coefficient can reach to above 23 W/m K, and the compressive strength can reach to 1700 MPa at room temperature. GO was homogeneously dispersed into TiAl matrix in the form of random film with the diameter less than 10 μm. The minimum thickness of the GO film is about 5 nm. However, The GO does not well represent thermodynamically stable reinforcement at high temperatures, GO existed not only in the form of graphene but also a certain amount of Ti3AlC, and its size is about 2 μm rather than nanoscale, which can decrease the ductile reinforcement of GO in the TiAl matrix. |
| doi_str_mv | 10.3390/met11060883 |
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The graphene oxide plates were added into TiAl powder by ultrasonic dispersion and milling, and then, shaped by Hot Isostatic Pressing (HIPing). Microstructures of the composites were characterized by using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) as well as Raman spectrum were conducted on the composite powder. The thermal and mechanical properties were tested on the TiAl matrix composites. The results show that the compression strength and heat conductivity of the composites can be improved distinctly at both room temperature and high temperature. The heat conductivity coefficient can reach to above 23 W/m K, and the compressive strength can reach to 1700 MPa at room temperature. GO was homogeneously dispersed into TiAl matrix in the form of random film with the diameter less than 10 μm. The minimum thickness of the GO film is about 5 nm. However, The GO does not well represent thermodynamically stable reinforcement at high temperatures, GO existed not only in the form of graphene but also a certain amount of Ti3AlC, and its size is about 2 μm rather than nanoscale, which can decrease the ductile reinforcement of GO in the TiAl matrix.</description><identifier>ISSN: 2075-4701</identifier><identifier>EISSN: 2075-4701</identifier><identifier>DOI: 10.3390/met11060883</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Alloys ; Composite materials ; composites ; Compressive strength ; Diameters ; Dispersion ; Electron microscopy ; Graphene ; graphene oxide ; Heat conductivity ; High temperature ; Hot isostatic pressing ; Intermetallic compounds ; Mechanical properties ; Metal matrix composites ; microstructure ; Photoelectrons ; Powder metallurgy ; property ; Room temperature ; Scanning electron microscopy ; Spectrum analysis ; Surfactants ; Thermal conductivity ; Thermodynamic properties ; Thickness ; Thin films ; TiAl ; Titanium aluminides ; Transmission electron microscopy ; X ray photoelectron spectroscopy</subject><ispartof>Metals (Basel ), 2021-06, Vol.11 (6), p.883</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/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-485dda471a0b7ef97e4f1c6ef06fc088186d265b36012c64809336a86c77c8093</citedby><cites>FETCH-LOGICAL-c364t-485dda471a0b7ef97e4f1c6ef06fc088186d265b36012c64809336a86c77c8093</cites><orcidid>0000-0002-5595-2047</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,860,2096,27901,27902</link.rule.ids></links><search><creatorcontrib>Sun, Zhiyu</creatorcontrib><creatorcontrib>Zhu, Langping</creatorcontrib><creatorcontrib>Mo, Xiaofei</creatorcontrib><creatorcontrib>Nan, Hai</creatorcontrib><creatorcontrib>Ding, Xianfei</creatorcontrib><title>Microstructure Characterization and Properties of Graphene Oxide-Reinforced TiAl Matrix Composites</title><title>Metals (Basel )</title><description>TiAl matrix composites reinforced with graphene oxide (GO) were prepared by powder metallurgy technology. The graphene oxide plates were added into TiAl powder by ultrasonic dispersion and milling, and then, shaped by Hot Isostatic Pressing (HIPing). Microstructures of the composites were characterized by using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) as well as Raman spectrum were conducted on the composite powder. The thermal and mechanical properties were tested on the TiAl matrix composites. The results show that the compression strength and heat conductivity of the composites can be improved distinctly at both room temperature and high temperature. The heat conductivity coefficient can reach to above 23 W/m K, and the compressive strength can reach to 1700 MPa at room temperature. GO was homogeneously dispersed into TiAl matrix in the form of random film with the diameter less than 10 μm. The minimum thickness of the GO film is about 5 nm. However, The GO does not well represent thermodynamically stable reinforcement at high temperatures, GO existed not only in the form of graphene but also a certain amount of Ti3AlC, and its size is about 2 μm rather than nanoscale, which can decrease the ductile reinforcement of GO in the TiAl matrix.</description><subject>Alloys</subject><subject>Composite materials</subject><subject>composites</subject><subject>Compressive strength</subject><subject>Diameters</subject><subject>Dispersion</subject><subject>Electron microscopy</subject><subject>Graphene</subject><subject>graphene oxide</subject><subject>Heat conductivity</subject><subject>High temperature</subject><subject>Hot isostatic pressing</subject><subject>Intermetallic compounds</subject><subject>Mechanical properties</subject><subject>Metal matrix composites</subject><subject>microstructure</subject><subject>Photoelectrons</subject><subject>Powder metallurgy</subject><subject>property</subject><subject>Room temperature</subject><subject>Scanning electron microscopy</subject><subject>Spectrum analysis</subject><subject>Surfactants</subject><subject>Thermal conductivity</subject><subject>Thermodynamic properties</subject><subject>Thickness</subject><subject>Thin films</subject><subject>TiAl</subject><subject>Titanium aluminides</subject><subject>Transmission electron microscopy</subject><subject>X ray photoelectron spectroscopy</subject><issn>2075-4701</issn><issn>2075-4701</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><sourceid>DOA</sourceid><recordid>eNpNUU1LAzEQXUTBUnvyDwQ8ymqySZPssRSthZaK1HNIk4lNaTdrkkL117u1Ip3LfPB4M29eUdwS_EBpjR93kAnBHEtJL4pehcWwZAKTy7P6uhiktMFdyIrjuu4Vq7k3MaQc9ybvI6DxWkdtMkT_rbMPDdKNRa8xtBCzh4SCQ5Oo2zU0gBYHb6F8A9-4EA1YtPSjLZrrHP0BjcOuDclnSDfFldPbBIO_3C_en5-W45dytphMx6NZaShnuWRyaK1mgmi8EuBqAcwRw8Fh7kwnikhuKz5cUY5JZTiTuKaUa8mNEObY9IvpidcGvVFt9Dsdv1TQXv0OQvxQuhNhtqBAYHAgK4DaMi6M1ivunK0Yd5S4mnRcdyeuNobPPaSsNmEfm-58VQ0Zk7WgUnSo-xPq-MIUwf1vJVgdPVFnntAfKOd_Zw</recordid><startdate>20210601</startdate><enddate>20210601</enddate><creator>Sun, Zhiyu</creator><creator>Zhu, Langping</creator><creator>Mo, Xiaofei</creator><creator>Nan, Hai</creator><creator>Ding, Xianfei</creator><general>MDPI AG</general><scope>AAYXX</scope><scope>CITATION</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>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-5595-2047</orcidid></search><sort><creationdate>20210601</creationdate><title>Microstructure Characterization and Properties of Graphene Oxide-Reinforced TiAl Matrix Composites</title><author>Sun, Zhiyu ; Zhu, Langping ; Mo, Xiaofei ; Nan, Hai ; Ding, Xianfei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-485dda471a0b7ef97e4f1c6ef06fc088186d265b36012c64809336a86c77c8093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Alloys</topic><topic>Composite materials</topic><topic>composites</topic><topic>Compressive strength</topic><topic>Diameters</topic><topic>Dispersion</topic><topic>Electron microscopy</topic><topic>Graphene</topic><topic>graphene oxide</topic><topic>Heat conductivity</topic><topic>High temperature</topic><topic>Hot isostatic pressing</topic><topic>Intermetallic compounds</topic><topic>Mechanical properties</topic><topic>Metal matrix composites</topic><topic>microstructure</topic><topic>Photoelectrons</topic><topic>Powder metallurgy</topic><topic>property</topic><topic>Room temperature</topic><topic>Scanning electron microscopy</topic><topic>Spectrum analysis</topic><topic>Surfactants</topic><topic>Thermal conductivity</topic><topic>Thermodynamic properties</topic><topic>Thickness</topic><topic>Thin films</topic><topic>TiAl</topic><topic>Titanium aluminides</topic><topic>Transmission electron microscopy</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sun, Zhiyu</creatorcontrib><creatorcontrib>Zhu, Langping</creatorcontrib><creatorcontrib>Mo, Xiaofei</creatorcontrib><creatorcontrib>Nan, Hai</creatorcontrib><creatorcontrib>Ding, Xianfei</creatorcontrib><collection>CrossRef</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 (ProQuest)</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>ProQuest Central (New)</collection><collection>ProQuest One Academic (New)</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Middle East (New)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Applied & Life Sciences</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>Metals (Basel )</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sun, Zhiyu</au><au>Zhu, Langping</au><au>Mo, Xiaofei</au><au>Nan, Hai</au><au>Ding, Xianfei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure Characterization and Properties of Graphene Oxide-Reinforced TiAl Matrix Composites</atitle><jtitle>Metals (Basel )</jtitle><date>2021-06-01</date><risdate>2021</risdate><volume>11</volume><issue>6</issue><spage>883</spage><pages>883-</pages><issn>2075-4701</issn><eissn>2075-4701</eissn><abstract>TiAl matrix composites reinforced with graphene oxide (GO) were prepared by powder metallurgy technology. The graphene oxide plates were added into TiAl powder by ultrasonic dispersion and milling, and then, shaped by Hot Isostatic Pressing (HIPing). Microstructures of the composites were characterized by using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). X-ray photoelectron spectroscopy (XPS) as well as Raman spectrum were conducted on the composite powder. The thermal and mechanical properties were tested on the TiAl matrix composites. The results show that the compression strength and heat conductivity of the composites can be improved distinctly at both room temperature and high temperature. The heat conductivity coefficient can reach to above 23 W/m K, and the compressive strength can reach to 1700 MPa at room temperature. GO was homogeneously dispersed into TiAl matrix in the form of random film with the diameter less than 10 μm. The minimum thickness of the GO film is about 5 nm. However, The GO does not well represent thermodynamically stable reinforcement at high temperatures, GO existed not only in the form of graphene but also a certain amount of Ti3AlC, and its size is about 2 μm rather than nanoscale, which can decrease the ductile reinforcement of GO in the TiAl matrix.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/met11060883</doi><orcidid>https://orcid.org/0000-0002-5595-2047</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Alloys Composite materials composites Compressive strength Diameters Dispersion Electron microscopy Graphene graphene oxide Heat conductivity High temperature Hot isostatic pressing Intermetallic compounds Mechanical properties Metal matrix composites microstructure Photoelectrons Powder metallurgy property Room temperature Scanning electron microscopy Spectrum analysis Surfactants Thermal conductivity Thermodynamic properties Thickness Thin films TiAl Titanium aluminides Transmission electron microscopy X ray photoelectron spectroscopy |
| title | Microstructure Characterization and Properties of Graphene Oxide-Reinforced TiAl Matrix Composites |
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