Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures
It is a common observation that in two-phase Ti-Al-based binary alloys, deformation of the gamma phase occurs by 1/2
Gespeichert in:
| Veröffentlicht in: | Philosophical magazine letters 2000-01, Vol.80 (1), p.19-26 |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 26 |
|---|---|
| container_issue | 1 |
| container_start_page | 19 |
| container_title | Philosophical magazine letters |
| container_volume | 80 |
| creator | Chen, S. H. Mukherji, D. Schumacher, G. Frohberg, G. Wahi, R.P. |
| description | It is a common observation that in two-phase Ti-Al-based binary alloys, deformation of the gamma phase occurs by 1/2 |
| doi_str_mv | 10.1080/095008300176416 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_pasca</sourceid><recordid>TN_cdi_pascalfrancis_primary_1234220</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1750791568</sourcerecordid><originalsourceid>FETCH-LOGICAL-c424t-bb8ce77b93962f9e1d628f7e3360097ab7ff3fff5683ff9a1e04257b1dea9de73</originalsourceid><addsrcrecordid>eNqFkUFv1DAQRi0EEsvCmaslELfQsZ3EMbeqgoJUqZdytibJmKZ442A7lP33eLtFSCshTiN53vc89jD2WsB7AR2cgWkAOgUgdFuL9gnbCNXKSoFqn7LNoVuVtnnOXqR0BwC1qZsNS9d9ovgT8xRmHhxfPM4Yeco4fJ_mb9zh6nPi08yR30xVnIZbnu9DtdxiosPJuefofdhzdJkiH8mFuDvqMHPyVNw08ky7hSLmNVJ6yZ459IlePdYt-_rp483F5-rq-vLLxflVNdSyzlXfdwNp3RtlWukMibGVndOkVAtgNPbaOeWca9quFIOCoJaN7sVIaEbSasveHb1LDD9WStnupjSQL0-ksCYrtZRSdE0B35yAd2GNc5nNCt2ANuJwx5adHakhhpQiObvEaYdxbwXYwwrsyQpK4u2jF9OA3kWchyn9jUlVSwkFa47YND983n2IfrQZ9z7EP5kTtc2_csl9-G9O_Wu233o7qsc</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1750791568</pqid></control><display><type>article</type><title>Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures</title><source>Periodicals Index Online</source><source>Taylor & Francis Online</source><creator>Chen, S. H. ; Mukherji, D. ; Schumacher, G. ; Frohberg, G. ; Wahi, R.P.</creator><creatorcontrib>Chen, S. H. ; Mukherji, D. ; Schumacher, G. ; Frohberg, G. ; Wahi, R.P.</creatorcontrib><description>It is a common observation that in two-phase Ti-Al-based binary alloys, deformation of the gamma phase occurs by 1/2<110]-type ordinary dis-location activity and twinning associated with 1/6<112] type partials. In the present study the microstructure of a new Ti-Al-based alloy (Ti-47at.% Al-2at.%Mn-2at.%Nb+ 0.8 vol.% TiB
2
) with a duplex microstructure consisting of primary equiaxed gamma grains and lamellar alpha
2
+ gamma colonies was studied by transmission electron microscopy (TEM) after deformation at elevated temperatures. Planar stacking faults were found in the gamma laths. A detailed contrast analysis by TEM shows that these planar stacking faults lying on {111} planes are bound by all the fcc variants of the Shockley partial dislocations of type 1/6 , in contrast with the observations in stoichiometric binary TiAl alloys, where only 1/6<112]-type Shockley partials are found to be associated with the true twins. It is proposed that the addition of ternary and quaternary elements such as Mn and Nb promotes the other variants of the fcc-like dissociations (not common in L1
0
structure) in the present alloy.</description><identifier>ISSN: 0950-0839</identifier><identifier>EISSN: 1362-3036</identifier><identifier>DOI: 10.1080/095008300176416</identifier><identifier>CODEN: PMLEEG</identifier><language>eng</language><publisher>London: Taylor & Francis Group</publisher><subject>Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Creep ; Defects and impurities in crystals; microstructure ; Exact sciences and technology ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of solids ; Metals. Metallurgy ; Physics ; Stacking faults and other planar or extended defects ; Structure of solids and liquids; crystallography</subject><ispartof>Philosophical magazine letters, 2000-01, Vol.80 (1), p.19-26</ispartof><rights>Copyright Taylor & Francis Group, LLC 2000</rights><rights>2000 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c424t-bb8ce77b93962f9e1d628f7e3360097ab7ff3fff5683ff9a1e04257b1dea9de73</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.tandfonline.com/doi/pdf/10.1080/095008300176416$$EPDF$$P50$$Ginformaworld$$H</linktopdf><linktohtml>$$Uhttps://www.tandfonline.com/doi/full/10.1080/095008300176416$$EHTML$$P50$$Ginformaworld$$H</linktohtml><link.rule.ids>314,780,784,4024,27869,27923,27924,27925,59647,60436</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1234220$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, S. H.</creatorcontrib><creatorcontrib>Mukherji, D.</creatorcontrib><creatorcontrib>Schumacher, G.</creatorcontrib><creatorcontrib>Frohberg, G.</creatorcontrib><creatorcontrib>Wahi, R.P.</creatorcontrib><title>Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures</title><title>Philosophical magazine letters</title><description>It is a common observation that in two-phase Ti-Al-based binary alloys, deformation of the gamma phase occurs by 1/2<110]-type ordinary dis-location activity and twinning associated with 1/6<112] type partials. In the present study the microstructure of a new Ti-Al-based alloy (Ti-47at.% Al-2at.%Mn-2at.%Nb+ 0.8 vol.% TiB
2
) with a duplex microstructure consisting of primary equiaxed gamma grains and lamellar alpha
2
+ gamma colonies was studied by transmission electron microscopy (TEM) after deformation at elevated temperatures. Planar stacking faults were found in the gamma laths. A detailed contrast analysis by TEM shows that these planar stacking faults lying on {111} planes are bound by all the fcc variants of the Shockley partial dislocations of type 1/6 , in contrast with the observations in stoichiometric binary TiAl alloys, where only 1/6<112]-type Shockley partials are found to be associated with the true twins. It is proposed that the addition of ternary and quaternary elements such as Mn and Nb promotes the other variants of the fcc-like dissociations (not common in L1
0
structure) in the present alloy.</description><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Creep</subject><subject>Defects and impurities in crystals; microstructure</subject><subject>Exact sciences and technology</subject><subject>Mechanical and acoustical properties of condensed matter</subject><subject>Mechanical properties of solids</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>Stacking faults and other planar or extended defects</subject><subject>Structure of solids and liquids; crystallography</subject><issn>0950-0839</issn><issn>1362-3036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>K30</sourceid><recordid>eNqFkUFv1DAQRi0EEsvCmaslELfQsZ3EMbeqgoJUqZdytibJmKZ442A7lP33eLtFSCshTiN53vc89jD2WsB7AR2cgWkAOgUgdFuL9gnbCNXKSoFqn7LNoVuVtnnOXqR0BwC1qZsNS9d9ovgT8xRmHhxfPM4Yeco4fJ_mb9zh6nPi08yR30xVnIZbnu9DtdxiosPJuefofdhzdJkiH8mFuDvqMHPyVNw08ky7hSLmNVJ6yZ459IlePdYt-_rp483F5-rq-vLLxflVNdSyzlXfdwNp3RtlWukMibGVndOkVAtgNPbaOeWca9quFIOCoJaN7sVIaEbSasveHb1LDD9WStnupjSQL0-ksCYrtZRSdE0B35yAd2GNc5nNCt2ANuJwx5adHakhhpQiObvEaYdxbwXYwwrsyQpK4u2jF9OA3kWchyn9jUlVSwkFa47YND983n2IfrQZ9z7EP5kTtc2_csl9-G9O_Wu233o7qsc</recordid><startdate>20000101</startdate><enddate>20000101</enddate><creator>Chen, S. H.</creator><creator>Mukherji, D.</creator><creator>Schumacher, G.</creator><creator>Frohberg, G.</creator><creator>Wahi, R.P.</creator><general>Taylor & Francis Group</general><general>Taylor & Francis</general><general>Taylor and Francis</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>HAGHG</scope><scope>IZSXY</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope><scope>7QF</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20000101</creationdate><title>Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures</title><author>Chen, S. H. ; Mukherji, D. ; Schumacher, G. ; Frohberg, G. ; Wahi, R.P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c424t-bb8ce77b93962f9e1d628f7e3360097ab7ff3fff5683ff9a1e04257b1dea9de73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Creep</topic><topic>Defects and impurities in crystals; microstructure</topic><topic>Exact sciences and technology</topic><topic>Mechanical and acoustical properties of condensed matter</topic><topic>Mechanical properties of solids</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>Stacking faults and other planar or extended defects</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, S. H.</creatorcontrib><creatorcontrib>Mukherji, D.</creatorcontrib><creatorcontrib>Schumacher, G.</creatorcontrib><creatorcontrib>Frohberg, G.</creatorcontrib><creatorcontrib>Wahi, R.P.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Periodicals Index Online Segment 12</collection><collection>Periodicals Index Online Segment 30</collection><collection>Periodicals Index Online</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - West</collection><collection>Primary Sources Access (Plan D) - International</collection><collection>Primary Sources Access & Build (Plan A) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Midwest</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Northeast</collection><collection>Primary Sources Access (Plan D) - Southeast</collection><collection>Primary Sources Access (Plan D) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Southeast</collection><collection>Primary Sources Access (Plan D) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - UK / I</collection><collection>Primary Sources Access (Plan D) - Canada</collection><collection>Primary Sources Access (Plan D) - EMEALA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - North Central</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - International</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - International</collection><collection>Primary Sources Access (Plan D) - West</collection><collection>Periodicals Index Online Segments 1-50</collection><collection>Primary Sources Access (Plan D) - APAC</collection><collection>Primary Sources Access (Plan D) - Midwest</collection><collection>Primary Sources Access (Plan D) - MEA</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - Canada</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - EMEALA</collection><collection>Primary Sources Access & Build (Plan A) - APAC</collection><collection>Primary Sources Access & Build (Plan A) - Canada</collection><collection>Primary Sources Access & Build (Plan A) - West</collection><collection>Primary Sources Access & Build (Plan A) - EMEALA</collection><collection>Primary Sources Access (Plan D) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - Midwest</collection><collection>Primary Sources Access & Build (Plan A) - North Central</collection><collection>Primary Sources Access & Build (Plan A) - Northeast</collection><collection>Primary Sources Access & Build (Plan A) - South Central</collection><collection>Primary Sources Access & Build (Plan A) - Southeast</collection><collection>Primary Sources Access (Plan D) - UK / I</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - APAC</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - MEA</collection><collection>Aluminium Industry Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Philosophical magazine letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, S. H.</au><au>Mukherji, D.</au><au>Schumacher, G.</au><au>Frohberg, G.</au><au>Wahi, R.P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures</atitle><jtitle>Philosophical magazine letters</jtitle><date>2000-01-01</date><risdate>2000</risdate><volume>80</volume><issue>1</issue><spage>19</spage><epage>26</epage><pages>19-26</pages><issn>0950-0839</issn><eissn>1362-3036</eissn><coden>PMLEEG</coden><abstract>It is a common observation that in two-phase Ti-Al-based binary alloys, deformation of the gamma phase occurs by 1/2<110]-type ordinary dis-location activity and twinning associated with 1/6<112] type partials. In the present study the microstructure of a new Ti-Al-based alloy (Ti-47at.% Al-2at.%Mn-2at.%Nb+ 0.8 vol.% TiB
2
) with a duplex microstructure consisting of primary equiaxed gamma grains and lamellar alpha
2
+ gamma colonies was studied by transmission electron microscopy (TEM) after deformation at elevated temperatures. Planar stacking faults were found in the gamma laths. A detailed contrast analysis by TEM shows that these planar stacking faults lying on {111} planes are bound by all the fcc variants of the Shockley partial dislocations of type 1/6 , in contrast with the observations in stoichiometric binary TiAl alloys, where only 1/6<112]-type Shockley partials are found to be associated with the true twins. It is proposed that the addition of ternary and quaternary elements such as Mn and Nb promotes the other variants of the fcc-like dissociations (not common in L1
0
structure) in the present alloy.</abstract><cop>London</cop><pub>Taylor & Francis Group</pub><doi>10.1080/095008300176416</doi><tpages>8</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0950-0839 |
| ispartof | Philosophical magazine letters, 2000-01, Vol.80 (1), p.19-26 |
| issn | 0950-0839 1362-3036 |
| language | eng |
| recordid | cdi_pascalfrancis_primary_1234220 |
| source | Periodicals Index Online; Taylor & Francis Online |
| subjects | Applied sciences Condensed matter: structure, mechanical and thermal properties Creep Defects and impurities in crystals microstructure Exact sciences and technology Mechanical and acoustical properties of condensed matter Mechanical properties of solids Metals. Metallurgy Physics Stacking faults and other planar or extended defects Structure of solids and liquids crystallography |
| title | Observation of planar stacking faults in a Ti-rich two-phase Ti-Al alloy after deformation at elevated temperatures |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-01T09%3A18%3A09IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_pasca&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Observation%20of%20planar%20stacking%20faults%20in%20a%20Ti-rich%20two-phase%20Ti-Al%20alloy%20after%20deformation%20at%20elevated%20temperatures&rft.jtitle=Philosophical%20magazine%20letters&rft.au=Chen,%20S.%20H.&rft.date=2000-01-01&rft.volume=80&rft.issue=1&rft.spage=19&rft.epage=26&rft.pages=19-26&rft.issn=0950-0839&rft.eissn=1362-3036&rft.coden=PMLEEG&rft_id=info:doi/10.1080/095008300176416&rft_dat=%3Cproquest_pasca%3E1750791568%3C/proquest_pasca%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1750791568&rft_id=info:pmid/&rfr_iscdi=true |