Oxidation Behavior of the Polycrystalline Ni-Base Superalloy VDM® Alloy 780
VDM® Alloy 780 is a newly developed polycrystalline Ni-base superalloy with high contents of Co, Cr, and Al intended for operating temperatures up to 750 °C. The alloy is precipitation strengthened by the γ ′ phase, which is analyzed by atom probe tomography. Additionally, δ and η phases are utilize...
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| Veröffentlicht in: | Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2023-05, Vol.54 (5), p.1961-1970 |
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| container_title | Metallurgical and materials transactions. A, Physical metallurgy and materials science |
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| creator | Kirchmayer, A. Weiser, M. Randelzhofer, P. Freund, L. P. Gehrmann, B. Hafez Haghighat, M. Huenert, D. Göken, M. Neumeier, S. |
| description | VDM® Alloy 780 is a newly developed polycrystalline Ni-base superalloy with high contents of Co, Cr, and Al intended for operating temperatures up to 750 °C. The alloy is precipitation strengthened by the
γ
′ phase, which is analyzed by atom probe tomography. Additionally,
δ
and
η
phases are utilized for grain boundary pinning. It is shown that the
δ
and
η
phases precipitate either plate like or in a fine lamellar structure inside each other. VDM® Alloy 780 shows superior oxidation resistance in comparison with Udimet 720Li and A718Plus, as seen by a lower mass gain and thinner oxide layers at 800 °C and 900 °C. This superior behavior is analyzed in detail by TEM and STEM investigations of the oxide scales from which it is concluded that the Al/Ti ratio in these alloys plays an important role on the oxidation behavior. |
| doi_str_mv | 10.1007/s11661-022-06956-z |
| format | Article |
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γ
′ phase, which is analyzed by atom probe tomography. Additionally,
δ
and
η
phases are utilized for grain boundary pinning. It is shown that the
δ
and
η
phases precipitate either plate like or in a fine lamellar structure inside each other. VDM® Alloy 780 shows superior oxidation resistance in comparison with Udimet 720Li and A718Plus, as seen by a lower mass gain and thinner oxide layers at 800 °C and 900 °C. This superior behavior is analyzed in detail by TEM and STEM investigations of the oxide scales from which it is concluded that the Al/Ti ratio in these alloys plays an important role on the oxidation behavior.</description><identifier>ISSN: 1073-5623</identifier><identifier>EISSN: 1543-1940</identifier><identifier>DOI: 10.1007/s11661-022-06956-z</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Alloys ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Fourth European Symposium on Superalloys and their Applications ; Grain boundaries ; Lamellar structure ; Materials Science ; Metallic Materials ; Nanotechnology ; Nickel base alloys ; Operating temperature ; Oxidation ; Oxidation resistance ; Polycrystals ; Scale (corrosion) ; Structural Materials ; Superalloys ; Surfaces and Interfaces ; Temperature ; Thin Films ; Tomography ; Topical Collection: Processing and Applications of Superalloys ; Transmission electron microscopy</subject><ispartof>Metallurgical and materials transactions. A, Physical metallurgy and materials science, 2023-05, Vol.54 (5), p.1961-1970</ispartof><rights>The Author(s) 2023</rights><rights>The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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><cites>FETCH-LOGICAL-c314t-c8c094b0ba201f5b7407c1fdb31cde4a365d64ff91608433526ae73a6a83afd3</cites><orcidid>0000-0002-9448-5787</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11661-022-06956-z$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11661-022-06956-z$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>315,781,785,27929,27930,41493,42562,51324</link.rule.ids></links><search><creatorcontrib>Kirchmayer, A.</creatorcontrib><creatorcontrib>Weiser, M.</creatorcontrib><creatorcontrib>Randelzhofer, P.</creatorcontrib><creatorcontrib>Freund, L. P.</creatorcontrib><creatorcontrib>Gehrmann, B.</creatorcontrib><creatorcontrib>Hafez Haghighat, M.</creatorcontrib><creatorcontrib>Huenert, D.</creatorcontrib><creatorcontrib>Göken, M.</creatorcontrib><creatorcontrib>Neumeier, S.</creatorcontrib><title>Oxidation Behavior of the Polycrystalline Ni-Base Superalloy VDM® Alloy 780</title><title>Metallurgical and materials transactions. A, Physical metallurgy and materials science</title><addtitle>Metall Mater Trans A</addtitle><description>VDM® Alloy 780 is a newly developed polycrystalline Ni-base superalloy with high contents of Co, Cr, and Al intended for operating temperatures up to 750 °C. The alloy is precipitation strengthened by the
γ
′ phase, which is analyzed by atom probe tomography. Additionally,
δ
and
η
phases are utilized for grain boundary pinning. It is shown that the
δ
and
η
phases precipitate either plate like or in a fine lamellar structure inside each other. VDM® Alloy 780 shows superior oxidation resistance in comparison with Udimet 720Li and A718Plus, as seen by a lower mass gain and thinner oxide layers at 800 °C and 900 °C. This superior behavior is analyzed in detail by TEM and STEM investigations of the oxide scales from which it is concluded that the Al/Ti ratio in these alloys plays an important role on the oxidation behavior.</description><subject>Alloys</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Fourth European Symposium on Superalloys and their Applications</subject><subject>Grain boundaries</subject><subject>Lamellar structure</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanotechnology</subject><subject>Nickel base alloys</subject><subject>Operating temperature</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Polycrystals</subject><subject>Scale (corrosion)</subject><subject>Structural Materials</subject><subject>Superalloys</subject><subject>Surfaces and Interfaces</subject><subject>Temperature</subject><subject>Thin Films</subject><subject>Tomography</subject><subject>Topical Collection: Processing and Applications of Superalloys</subject><subject>Transmission electron microscopy</subject><issn>1073-5623</issn><issn>1543-1940</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kMtOwzAQRS0EEqXwA6wssTaMH7GTZVueUqFIVGwtJ7FpqhAXO0WkH8VH8GWEFokdq7ka3TMjHYROKZxTAHURKZWSEmCMgMwSSTZ7aEATwQnNBOz3GRQniWT8EB3FuAQAmnE5QNPZR1WatvINHtuFea98wN7hdmHxo6-7InSxNXVdNRY_VGRsosVP65UN_c53-Pny_usTj7ZZpXCMDpypoz35nUM0v76aT27JdHZzNxlNScGpaEmRFpCJHHLDgLokVwJUQV2Zc1qUVhguk1IK5zIqIRWcJ0waq7iRJuXGlXyIznZnV8G_rW1s9dKvQ9N_1ExlSZop1mNDxHatIvgYg3V6FapXEzpNQf9I0ztpupemt9L0pof4Dop9uXmx4e_0P9Q3g05vnQ</recordid><startdate>20230501</startdate><enddate>20230501</enddate><creator>Kirchmayer, A.</creator><creator>Weiser, M.</creator><creator>Randelzhofer, P.</creator><creator>Freund, L. 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P. ; Gehrmann, B. ; Hafez Haghighat, M. ; Huenert, D. ; Göken, M. ; Neumeier, S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c314t-c8c094b0ba201f5b7407c1fdb31cde4a365d64ff91608433526ae73a6a83afd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Alloys</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Fourth European Symposium on Superalloys and their Applications</topic><topic>Grain boundaries</topic><topic>Lamellar structure</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanotechnology</topic><topic>Nickel base alloys</topic><topic>Operating temperature</topic><topic>Oxidation</topic><topic>Oxidation resistance</topic><topic>Polycrystals</topic><topic>Scale (corrosion)</topic><topic>Structural Materials</topic><topic>Superalloys</topic><topic>Surfaces and Interfaces</topic><topic>Temperature</topic><topic>Thin Films</topic><topic>Tomography</topic><topic>Topical Collection: Processing and Applications of Superalloys</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kirchmayer, A.</creatorcontrib><creatorcontrib>Weiser, M.</creatorcontrib><creatorcontrib>Randelzhofer, P.</creatorcontrib><creatorcontrib>Freund, L. 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A, Physical metallurgy and materials science</jtitle><stitle>Metall Mater Trans A</stitle><date>2023-05-01</date><risdate>2023</risdate><volume>54</volume><issue>5</issue><spage>1961</spage><epage>1970</epage><pages>1961-1970</pages><issn>1073-5623</issn><eissn>1543-1940</eissn><abstract>VDM® Alloy 780 is a newly developed polycrystalline Ni-base superalloy with high contents of Co, Cr, and Al intended for operating temperatures up to 750 °C. The alloy is precipitation strengthened by the
γ
′ phase, which is analyzed by atom probe tomography. Additionally,
δ
and
η
phases are utilized for grain boundary pinning. It is shown that the
δ
and
η
phases precipitate either plate like or in a fine lamellar structure inside each other. VDM® Alloy 780 shows superior oxidation resistance in comparison with Udimet 720Li and A718Plus, as seen by a lower mass gain and thinner oxide layers at 800 °C and 900 °C. This superior behavior is analyzed in detail by TEM and STEM investigations of the oxide scales from which it is concluded that the Al/Ti ratio in these alloys plays an important role on the oxidation behavior.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11661-022-06956-z</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-9448-5787</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Metallurgical and materials transactions. A, Physical metallurgy and materials science, 2023-05, Vol.54 (5), p.1961-1970 |
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| source | SpringerNature Journals |
| subjects | Alloys Characterization and Evaluation of Materials Chemistry and Materials Science Fourth European Symposium on Superalloys and their Applications Grain boundaries Lamellar structure Materials Science Metallic Materials Nanotechnology Nickel base alloys Operating temperature Oxidation Oxidation resistance Polycrystals Scale (corrosion) Structural Materials Superalloys Surfaces and Interfaces Temperature Thin Films Tomography Topical Collection: Processing and Applications of Superalloys Transmission electron microscopy |
| title | Oxidation Behavior of the Polycrystalline Ni-Base Superalloy VDM® Alloy 780 |
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