Correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o)
As part of the effort to develop advanced titanium aluminide alloys based on Ti sub 3 Al for aircraft turbine engine components and other high-temperature appications, Lockheed has examined the correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o). Ultrasonic velocity technique...
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| Veröffentlicht in: | Journal of materials science letters 1994-10, Vol.13 (19), p.1397-1399 |
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| container_title | Journal of materials science letters |
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| creator | GORDON, D. E CHUANG, S. Y |
| description | As part of the effort to develop advanced titanium aluminide alloys based on Ti sub 3 Al for aircraft turbine engine components and other high-temperature appications, Lockheed has examined the correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o). Ultrasonic velocity techniques were used. For alpha sub 2 plus " beta " microstructures, modulus values were directly proportional to yield strength. The correlation was better for heat treatments where no orthorhombic phase was observed. The ultrasonic parameter which is most sensitive to changes in yield strength is the shear velocity. Unlike conventional alloys, where the beta phase has an intrinsically lower modulus than the alpha phase, no such correlation was observed bwetween alpha sub 2 and " beta " in Ti-25Al-10Nb-3V-1Mo. |
| doi_str_mv | 10.1007/BF00405043 |
| format | Article |
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E ; CHUANG, S. Y</creator><creatorcontrib>GORDON, D. E ; CHUANG, S. Y</creatorcontrib><description>As part of the effort to develop advanced titanium aluminide alloys based on Ti sub 3 Al for aircraft turbine engine components and other high-temperature appications, Lockheed has examined the correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o). Ultrasonic velocity techniques were used. For alpha sub 2 plus " beta " microstructures, modulus values were directly proportional to yield strength. The correlation was better for heat treatments where no orthorhombic phase was observed. The ultrasonic parameter which is most sensitive to changes in yield strength is the shear velocity. Unlike conventional alloys, where the beta phase has an intrinsically lower modulus than the alpha phase, no such correlation was observed bwetween alpha sub 2 and " beta " in Ti-25Al-10Nb-3V-1Mo.</description><identifier>ISSN: 0261-8028</identifier><identifier>EISSN: 1573-4811</identifier><identifier>DOI: 10.1007/BF00405043</identifier><identifier>CODEN: JMSLD5</identifier><language>eng</language><publisher>Dordrecht: Kluwer Academic Publishers</publisher><subject>Acoustical properties of solids ; Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Elasticity, elastic constants ; Exact sciences and technology ; Mechanical and acoustical properties of condensed matter ; Mechanical properties of solids ; Metals. 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Unlike conventional alloys, where the beta phase has an intrinsically lower modulus than the alpha phase, no such correlation was observed bwetween alpha sub 2 and " beta " in Ti-25Al-10Nb-3V-1Mo.</description><subject>Acoustical properties of solids</subject><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Elasticity, elastic constants</subject><subject>Exact sciences and technology</subject><subject>Mechanical and acoustical properties of condensed matter</subject><subject>Mechanical properties of solids</subject><subject>Metals. 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Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o)</atitle><jtitle>Journal of materials science letters</jtitle><date>1994-10-01</date><risdate>1994</risdate><volume>13</volume><issue>19</issue><spage>1397</spage><epage>1399</epage><pages>1397-1399</pages><issn>0261-8028</issn><eissn>1573-4811</eissn><coden>JMSLD5</coden><abstract>As part of the effort to develop advanced titanium aluminide alloys based on Ti sub 3 Al for aircraft turbine engine components and other high-temperature appications, Lockheed has examined the correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o). Ultrasonic velocity techniques were used. For alpha sub 2 plus " beta " microstructures, modulus values were directly proportional to yield strength. The correlation was better for heat treatments where no orthorhombic phase was observed. The ultrasonic parameter which is most sensitive to changes in yield strength is the shear velocity. Unlike conventional alloys, where the beta phase has an intrinsically lower modulus than the alpha phase, no such correlation was observed bwetween alpha sub 2 and " beta " in Ti-25Al-10Nb-3V-1Mo.</abstract><cop>Dordrecht</cop><pub>Kluwer Academic Publishers</pub><doi>10.1007/BF00405043</doi><tpages>3</tpages></addata></record> |
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| ispartof | Journal of materials science letters, 1994-10, Vol.13 (19), p.1397-1399 |
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| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Acoustical properties of solids Applied sciences Condensed matter: structure, mechanical and thermal properties Elasticity, elastic constants Exact sciences and technology Mechanical and acoustical properties of condensed matter Mechanical properties of solids Metals. Metallurgy Physics |
| title | Correlation between modulus and yield strength in Ti-25Al-10Nb-3V-1Mo (a/o) |
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