The influence of alloying modifications on mechanical properties, phase stability, and fault energies in cubic titanium trialuminide-based alloys
The cubic titanium trialuminide alloys studied previously show limited ductility and toughness, which can be related to the difficulties of dislocation emission, multiplication and mobility and to the excessively high energies of faults associated with the dislocations. The present study examines se...
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| Veröffentlicht in: | Acta Metallurgica et Materialia 1995-07, Vol.43 (7), p.2825-2836 |
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| container_title | Acta Metallurgica et Materialia |
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| creator | Morris, D.G. Lerf, R. Leboeuf, M. |
| description | The cubic titanium trialuminide alloys studied previously show limited ductility and toughness, which can be related to the difficulties of dislocation emission, multiplication and mobility and to the excessively high energies of faults associated with the dislocations. The present study examines several new alloys chosen in an attempt to reduce these fault energies and thereby improve the mechanical properties. The region of single phase L1
2 material is unfortunately so limited that only minor changes in composition are possible before second phases form and precipitation hardening occurs. Over the range of compositions of the L1
2 phase evaluated there are generally only small changes in fault energies. These changes, as well as the changes in dislocation configurations seen, may be rationalized in terms of the instability of the matrix towards the particular second phase forming. |
| doi_str_mv | 10.1016/0956-7151(94)00482-W |
| format | Article |
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2 material is unfortunately so limited that only minor changes in composition are possible before second phases form and precipitation hardening occurs. Over the range of compositions of the L1
2 phase evaluated there are generally only small changes in fault energies. These changes, as well as the changes in dislocation configurations seen, may be rationalized in terms of the instability of the matrix towards the particular second phase forming.</description><identifier>ISSN: 0956-7151</identifier><identifier>EISSN: 1873-2879</identifier><identifier>DOI: 10.1016/0956-7151(94)00482-W</identifier><language>eng</language><publisher>Tarrytown, NY: Elsevier B.V</publisher><subject>Alloying elements ; ALUMINIUM ALLOYS ; Applied sciences ; Chemical bonds ; CHEMICAL COMPOSITION ; Chemical modification ; Composition ; Cross-disciplinary physics: materials science; rheology ; CUBIC LATTICES ; Deformation, plasticity, and creep ; DISLOCATIONS ; Dislocations (crystals) ; Dissociation ; DUCTILITY ; Exact sciences and technology ; Hardening ; INTERMETALLIC COMPOUNDS ; MATERIALS SCIENCE ; MECHANICAL PROPERTIES ; Metals. Metallurgy ; MICROSTRUCTURE ; PHASE STABILITY ; Physics ; Precipitation (chemical) ; Thermal effects ; TITANIUM ALLOYS ; Toughness ; TRANSITION ELEMENTS ; Treatment of materials and its effects on microstructure and properties</subject><ispartof>Acta Metallurgica et Materialia, 1995-07, Vol.43 (7), p.2825-2836</ispartof><rights>1995 Acta Metallurgica Inc.</rights><rights>1995 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c519t-be7008cd6636259e7a4ff403b459960e858e7623951105b674d0a7ef19e930ff3</citedby><cites>FETCH-LOGICAL-c519t-be7008cd6636259e7a4ff403b459960e858e7623951105b674d0a7ef19e930ff3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,886,27929,27930</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3557116$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/100645$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Morris, D.G.</creatorcontrib><creatorcontrib>Lerf, R.</creatorcontrib><creatorcontrib>Leboeuf, M.</creatorcontrib><title>The influence of alloying modifications on mechanical properties, phase stability, and fault energies in cubic titanium trialuminide-based alloys</title><title>Acta Metallurgica et Materialia</title><description>The cubic titanium trialuminide alloys studied previously show limited ductility and toughness, which can be related to the difficulties of dislocation emission, multiplication and mobility and to the excessively high energies of faults associated with the dislocations. The present study examines several new alloys chosen in an attempt to reduce these fault energies and thereby improve the mechanical properties. The region of single phase L1
2 material is unfortunately so limited that only minor changes in composition are possible before second phases form and precipitation hardening occurs. Over the range of compositions of the L1
2 phase evaluated there are generally only small changes in fault energies. These changes, as well as the changes in dislocation configurations seen, may be rationalized in terms of the instability of the matrix towards the particular second phase forming.</description><subject>Alloying elements</subject><subject>ALUMINIUM ALLOYS</subject><subject>Applied sciences</subject><subject>Chemical bonds</subject><subject>CHEMICAL COMPOSITION</subject><subject>Chemical modification</subject><subject>Composition</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>CUBIC LATTICES</subject><subject>Deformation, plasticity, and creep</subject><subject>DISLOCATIONS</subject><subject>Dislocations (crystals)</subject><subject>Dissociation</subject><subject>DUCTILITY</subject><subject>Exact sciences and technology</subject><subject>Hardening</subject><subject>INTERMETALLIC COMPOUNDS</subject><subject>MATERIALS SCIENCE</subject><subject>MECHANICAL PROPERTIES</subject><subject>Metals. Metallurgy</subject><subject>MICROSTRUCTURE</subject><subject>PHASE STABILITY</subject><subject>Physics</subject><subject>Precipitation (chemical)</subject><subject>Thermal effects</subject><subject>TITANIUM ALLOYS</subject><subject>Toughness</subject><subject>TRANSITION ELEMENTS</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><issn>0956-7151</issn><issn>1873-2879</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNqFkkuLFDEUhQtRsB39By4iiA-Y0qQqj8pGkMEXDLgZmWVIpW6mr1QlbZIS-mf4j03ZwyzHVSB895zcc9I0zxl9xyiT76kWslVMsDeav6WUD117_aDZsUH1bTco_bDZ3SGPmyc5_6SUcdrRXfPnag8Eg59XCA5I9MTOczxiuCFLnNCjswVjyCQGsoDb21BvZnJI8QCpIORzctjbDCQXO-KM5XhObJiIt-tcCARINxWqDsStIzpSsFSJdSEloZ3XBQNO0I5VYTo556fNI2_nDM9uz7Pmx-dPVxdf28vvX75dfLxsnWC6tCMoSgc3SdnLTmhQlnvPaT9yobWkMIgBlOx6LRijYpSKT9Qq8EyD7qn3_Vnz4qQbc0GTHZa6noshgCuGUSq5qMzrE1P3_bVCLmbB7GCebYC4ZqM4l0IyoSr56l6yU1x0euj-D0raadFtID-BLsWcE3hzSLjYdKyPM1vtZuvUbJ0azc2_2s11HXt5q29zbconGxzmu9leCMWYrNiHEwY14t8IaUtg-wITpi2AKeL9Pn8BUWbCWg</recordid><startdate>19950701</startdate><enddate>19950701</enddate><creator>Morris, D.G.</creator><creator>Lerf, R.</creator><creator>Leboeuf, M.</creator><general>Elsevier B.V</general><general>Pergamon Press</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7U5</scope><scope>L7M</scope><scope>7TC</scope><scope>OTOTI</scope></search><sort><creationdate>19950701</creationdate><title>The influence of alloying modifications on mechanical properties, phase stability, and fault energies in cubic titanium trialuminide-based alloys</title><author>Morris, D.G. ; Lerf, R. ; Leboeuf, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c519t-be7008cd6636259e7a4ff403b459960e858e7623951105b674d0a7ef19e930ff3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Alloying elements</topic><topic>ALUMINIUM ALLOYS</topic><topic>Applied sciences</topic><topic>Chemical bonds</topic><topic>CHEMICAL COMPOSITION</topic><topic>Chemical modification</topic><topic>Composition</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>CUBIC LATTICES</topic><topic>Deformation, plasticity, and creep</topic><topic>DISLOCATIONS</topic><topic>Dislocations (crystals)</topic><topic>Dissociation</topic><topic>DUCTILITY</topic><topic>Exact sciences and technology</topic><topic>Hardening</topic><topic>INTERMETALLIC COMPOUNDS</topic><topic>MATERIALS SCIENCE</topic><topic>MECHANICAL PROPERTIES</topic><topic>Metals. Metallurgy</topic><topic>MICROSTRUCTURE</topic><topic>PHASE STABILITY</topic><topic>Physics</topic><topic>Precipitation (chemical)</topic><topic>Thermal effects</topic><topic>TITANIUM ALLOYS</topic><topic>Toughness</topic><topic>TRANSITION ELEMENTS</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><toplevel>online_resources</toplevel><creatorcontrib>Morris, D.G.</creatorcontrib><creatorcontrib>Lerf, R.</creatorcontrib><creatorcontrib>Leboeuf, M.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Mechanical Engineering Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Acta Metallurgica et Materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Morris, D.G.</au><au>Lerf, R.</au><au>Leboeuf, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The influence of alloying modifications on mechanical properties, phase stability, and fault energies in cubic titanium trialuminide-based alloys</atitle><jtitle>Acta Metallurgica et Materialia</jtitle><date>1995-07-01</date><risdate>1995</risdate><volume>43</volume><issue>7</issue><spage>2825</spage><epage>2836</epage><pages>2825-2836</pages><issn>0956-7151</issn><eissn>1873-2879</eissn><abstract>The cubic titanium trialuminide alloys studied previously show limited ductility and toughness, which can be related to the difficulties of dislocation emission, multiplication and mobility and to the excessively high energies of faults associated with the dislocations. The present study examines several new alloys chosen in an attempt to reduce these fault energies and thereby improve the mechanical properties. The region of single phase L1
2 material is unfortunately so limited that only minor changes in composition are possible before second phases form and precipitation hardening occurs. Over the range of compositions of the L1
2 phase evaluated there are generally only small changes in fault energies. These changes, as well as the changes in dislocation configurations seen, may be rationalized in terms of the instability of the matrix towards the particular second phase forming.</abstract><cop>Tarrytown, NY</cop><pub>Elsevier B.V</pub><doi>10.1016/0956-7151(94)00482-W</doi><tpages>12</tpages></addata></record> |
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| ispartof | Acta Metallurgica et Materialia, 1995-07, Vol.43 (7), p.2825-2836 |
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| source | Alma/SFX Local Collection |
| subjects | Alloying elements ALUMINIUM ALLOYS Applied sciences Chemical bonds CHEMICAL COMPOSITION Chemical modification Composition Cross-disciplinary physics: materials science rheology CUBIC LATTICES Deformation, plasticity, and creep DISLOCATIONS Dislocations (crystals) Dissociation DUCTILITY Exact sciences and technology Hardening INTERMETALLIC COMPOUNDS MATERIALS SCIENCE MECHANICAL PROPERTIES Metals. Metallurgy MICROSTRUCTURE PHASE STABILITY Physics Precipitation (chemical) Thermal effects TITANIUM ALLOYS Toughness TRANSITION ELEMENTS Treatment of materials and its effects on microstructure and properties |
| title | The influence of alloying modifications on mechanical properties, phase stability, and fault energies in cubic titanium trialuminide-based alloys |
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