TEM of nanostructured metals and alloys
Nanostructuring has been used to improve the mechanical properties of bulk metals and alloys. Transmission electron microscopy (TEM) including atomic resolution is therefore appropriate to study these nanostructures; four examples are given as follows. (1) The early stages of precipitation at RT wer...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2004-12, Vol.387, p.777-782 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Karnthaler, H.P. Waitz, T. Rentenberger, C. Mingler, B. |
| description | Nanostructuring has been used to improve the mechanical properties of bulk metals and alloys. Transmission electron microscopy (TEM) including atomic resolution is therefore appropriate to study these nanostructures; four examples are given as follows. (1) The early stages of precipitation at RT were investigated in an Al–Mg–Si alloy. By high resolution TEM it is shown that the precipitates lie on (0
0
1) planes having an ordered structure. (2) In Co alloys the fronts of martensitic phase transformations were analysed showing that the transformation strains are very small thus causing no surface relief. (3) Re-ordering and recrystallization were studied by in situ TEM of an Ni
3Al alloy being nanocrystalline after severe plastic deformation. (4) In NiTi severe plastic deformation is leading to the formation of amorphous shear bands. From the TEM analysis it is concluded that the amorphization is caused by plastic shear instability starting in the shear bands. |
| doi_str_mv | 10.1016/j.msea.2004.01.125 |
| format | Article |
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0
1) planes having an ordered structure. (2) In Co alloys the fronts of martensitic phase transformations were analysed showing that the transformation strains are very small thus causing no surface relief. (3) Re-ordering and recrystallization were studied by in situ TEM of an Ni
3Al alloy being nanocrystalline after severe plastic deformation. (4) In NiTi severe plastic deformation is leading to the formation of amorphous shear bands. From the TEM analysis it is concluded that the amorphization is caused by plastic shear instability starting in the shear bands.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2004.01.125</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Bulk amorphous NiTi ; Co alloys ; Disordered Ni 3Al ; Martensitic transformations ; MgSi precipitates ; Nanostructured alloys ; TEM</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2004-12, Vol.387, p.777-782</ispartof><rights>2004 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-261e3bd485a8ac04de026a13527004f8f85a31785d53671dee11e1ccf4421afd3</citedby><cites>FETCH-LOGICAL-c331t-261e3bd485a8ac04de026a13527004f8f85a31785d53671dee11e1ccf4421afd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2004.01.125$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Karnthaler, H.P.</creatorcontrib><creatorcontrib>Waitz, T.</creatorcontrib><creatorcontrib>Rentenberger, C.</creatorcontrib><creatorcontrib>Mingler, B.</creatorcontrib><title>TEM of nanostructured metals and alloys</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>Nanostructuring has been used to improve the mechanical properties of bulk metals and alloys. Transmission electron microscopy (TEM) including atomic resolution is therefore appropriate to study these nanostructures; four examples are given as follows. (1) The early stages of precipitation at RT were investigated in an Al–Mg–Si alloy. By high resolution TEM it is shown that the precipitates lie on (0
0
1) planes having an ordered structure. (2) In Co alloys the fronts of martensitic phase transformations were analysed showing that the transformation strains are very small thus causing no surface relief. (3) Re-ordering and recrystallization were studied by in situ TEM of an Ni
3Al alloy being nanocrystalline after severe plastic deformation. (4) In NiTi severe plastic deformation is leading to the formation of amorphous shear bands. From the TEM analysis it is concluded that the amorphization is caused by plastic shear instability starting in the shear bands.</description><subject>Bulk amorphous NiTi</subject><subject>Co alloys</subject><subject>Disordered Ni 3Al</subject><subject>Martensitic transformations</subject><subject>MgSi precipitates</subject><subject>Nanostructured alloys</subject><subject>TEM</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRsFb_gKec9JQ4sx_5AC9S6gdUvNTzsu7OQkqSrbuJ0H9vSj17Gph5n2HmYewWoUDA8mFX9IlMwQFkAVggV2dsgXUlctmI8pwtoOGYK2jEJbtKaQcAKEEt2P12_Z4Fnw1mCGmMkx2nSC7raTRdyszgMtN14ZCu2YWfO3TzV5fs83m9Xb3mm4-Xt9XTJrdC4JjzEkl8OVkrUxsL0hHw0qBQvJpP87WfBwKrWjklygodESKhtV5KjsY7sWR3p737GL4nSqPu22Sp68xAYUqa11KpusI5yE9BG0NKkbzex7Y38aAR9NGJ3umjE310ogH17GSGHk8QzS_8tBR1si0NllwbyY7ahfY__Bez_Gji</recordid><startdate>20041215</startdate><enddate>20041215</enddate><creator>Karnthaler, H.P.</creator><creator>Waitz, T.</creator><creator>Rentenberger, C.</creator><creator>Mingler, B.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20041215</creationdate><title>TEM of nanostructured metals and alloys</title><author>Karnthaler, H.P. ; Waitz, T. ; Rentenberger, C. ; Mingler, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-261e3bd485a8ac04de026a13527004f8f85a31785d53671dee11e1ccf4421afd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Bulk amorphous NiTi</topic><topic>Co alloys</topic><topic>Disordered Ni 3Al</topic><topic>Martensitic transformations</topic><topic>MgSi precipitates</topic><topic>Nanostructured alloys</topic><topic>TEM</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Karnthaler, H.P.</creatorcontrib><creatorcontrib>Waitz, T.</creatorcontrib><creatorcontrib>Rentenberger, C.</creatorcontrib><creatorcontrib>Mingler, B.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Karnthaler, H.P.</au><au>Waitz, T.</au><au>Rentenberger, C.</au><au>Mingler, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>TEM of nanostructured metals and alloys</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2004-12-15</date><risdate>2004</risdate><volume>387</volume><spage>777</spage><epage>782</epage><pages>777-782</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>Nanostructuring has been used to improve the mechanical properties of bulk metals and alloys. Transmission electron microscopy (TEM) including atomic resolution is therefore appropriate to study these nanostructures; four examples are given as follows. (1) The early stages of precipitation at RT were investigated in an Al–Mg–Si alloy. By high resolution TEM it is shown that the precipitates lie on (0
0
1) planes having an ordered structure. (2) In Co alloys the fronts of martensitic phase transformations were analysed showing that the transformation strains are very small thus causing no surface relief. (3) Re-ordering and recrystallization were studied by in situ TEM of an Ni
3Al alloy being nanocrystalline after severe plastic deformation. (4) In NiTi severe plastic deformation is leading to the formation of amorphous shear bands. From the TEM analysis it is concluded that the amorphization is caused by plastic shear instability starting in the shear bands.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2004.01.125</doi><tpages>6</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2004-12, Vol.387, p.777-782 |
| issn | 0921-5093 1873-4936 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_28455871 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bulk amorphous NiTi Co alloys Disordered Ni 3Al Martensitic transformations MgSi precipitates Nanostructured alloys TEM |
| title | TEM of nanostructured metals and alloys |
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