Surface oxide debonding in field assisted powder sintering
Field activated sintering techniques (FAST) have been applied to two high-temperature powder materials: tungsten and NiAl. High and atomic resolution electron microscopy (HREM/ARM) of tungsten powder sintered via FAST showed essentially clean boundaries. Analytical transmission electron microscopy (...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1999-09, Vol.270 (2), p.278-282 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Anderson, K.R Groza, J.R Fendorf, M Echer, C.J |
| description | Field activated sintering techniques (FAST) have been applied to two high-temperature powder materials: tungsten and NiAl. High and atomic resolution electron microscopy (HREM/ARM) of tungsten powder sintered via FAST showed essentially clean boundaries. Analytical transmission electron microscopy (TEM) of FAST sintered NiAl also showed boundaries free of surface oxide layer(s). However, small alumina precipitates were found at and near prior particle (grain) boundaries. The boundary cleaning and precipitation phenomena are manifestations of an applied pulsed electric field. |
| doi_str_mv | 10.1016/S0921-5093(99)00197-5 |
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High and atomic resolution electron microscopy (HREM/ARM) of tungsten powder sintered via FAST showed essentially clean boundaries. Analytical transmission electron microscopy (TEM) of FAST sintered NiAl also showed boundaries free of surface oxide layer(s). However, small alumina precipitates were found at and near prior particle (grain) boundaries. The boundary cleaning and precipitation phenomena are manifestations of an applied pulsed electric field.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/S0921-5093(99)00197-5</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Clean grain boundaries ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Field activation ; HREM ; Materials science ; Materials synthesis; materials processing ; Metals. 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The boundary cleaning and precipitation phenomena are manifestations of an applied pulsed electric field.</description><subject>Applied sciences</subject><subject>Clean grain boundaries</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Field activation</subject><subject>HREM</subject><subject>Materials science</subject><subject>Materials synthesis; materials processing</subject><subject>Metals. Metallurgy</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation</subject><subject>Precipitation</subject><subject>Sintering</subject><subject>Solid-phase precipitation</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWKs_QZiFiC5GbyaTSa8bkeILCi6q65AmNxKZztRk6uPfO32gS7mLs_nOOdzD2DGHCw68upwCFjyXgOIM8RyAo8rlDhvwkRJ5iaLaZYNfZJ8dpPQGPVWCHLCr6TJ6Yylrv4KjzNGsbVxoXrPQZD5Q7TKTUkgduWzRfjqKWQpNR7FHDtmeN3Wio60O2cvd7fP4IZ883T-Obya5FZXq8tIr5VB4sCQQ0Vmv-KzoTzpZInpQo8r06mUpoZKqAphJYblSlsBbL4bsdJO7iO37klKn5yFZqmvTULtMulC8VCPkPSg3oI1tSpG8XsQwN_Fbc9CrpfR6Kb2aQSPq9VJa9r6TbYFJ1tQ-msaG9GfGUii1ir_eYNQ_-xEo6mQDNZZciGQ77drwT9EP-MN8eA</recordid><startdate>19990930</startdate><enddate>19990930</enddate><creator>Anderson, K.R</creator><creator>Groza, J.R</creator><creator>Fendorf, M</creator><creator>Echer, C.J</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19990930</creationdate><title>Surface oxide debonding in field assisted powder sintering</title><author>Anderson, K.R ; Groza, J.R ; Fendorf, M ; Echer, C.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-4f77d93f0ce3999dcf71b2b2b5d5499f0786a99ff5450657600b53c177ce0fcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Applied sciences</topic><topic>Clean grain boundaries</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Field activation</topic><topic>HREM</topic><topic>Materials science</topic><topic>Materials synthesis; materials processing</topic><topic>Metals. Metallurgy</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation</topic><topic>Precipitation</topic><topic>Sintering</topic><topic>Solid-phase precipitation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Anderson, K.R</creatorcontrib><creatorcontrib>Groza, J.R</creatorcontrib><creatorcontrib>Fendorf, M</creatorcontrib><creatorcontrib>Echer, C.J</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><jtitle>Materials science & engineering. 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Analytical transmission electron microscopy (TEM) of FAST sintered NiAl also showed boundaries free of surface oxide layer(s). However, small alumina precipitates were found at and near prior particle (grain) boundaries. The boundary cleaning and precipitation phenomena are manifestations of an applied pulsed electric field.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-5093(99)00197-5</doi><tpages>5</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 1999-09, Vol.270 (2), p.278-282 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Clean grain boundaries Cross-disciplinary physics: materials science rheology Exact sciences and technology Field activation HREM Materials science Materials synthesis materials processing Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation Precipitation Sintering Solid-phase precipitation |
| title | Surface oxide debonding in field assisted powder sintering |
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