Evolution of SLA-Based Al2O3 Microstructure During Additive Manufacturing Process
Evolution of additively manufactured (AM) ceramics’ microstructure between manufacturing stages is a hardly explored topic. These data are of high demand for advanced numerical modeling. In this work, 3D microstructural models of Al2O3 greenbody, brownbody and sintered material are presented and ana...
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| Veröffentlicht in: | Materials 2020-09, Vol.13 (18), p.3928 |
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| creator | Chugunov, Svyatoslav Adams, Nikolaus A. Akhatov, Iskander |
| description | Evolution of additively manufactured (AM) ceramics’ microstructure between manufacturing stages is a hardly explored topic. These data are of high demand for advanced numerical modeling. In this work, 3D microstructural models of Al2O3 greenbody, brownbody and sintered material are presented and analyzed, for ceramic samples manufactured with SLA-based AM workflow, using a commercially available ceramic paste and 3D printer. The novel data, acquired at the micro- and mesoscale, using Computed Tomography (CT), Scanning Electron Microscopy (SEM) and Focused Ion-Beam SEM (FIB/SEM) techniques, allowed a deep insight into additive ceramics characteristics. We demonstrated the spatial 3D distribution of ceramic particles, an organic binder and pores at every stage of AM workflow. The porosity of greenbody samples (1.6%), brownbody samples (37.3%) and sintered material (4.9%) are analyzed. Pore distribution and possible originating mechanisms are discussed. The location and shape of pores and ceramic particles are indicative of specific physical processes driving the ceramics manufacturing. We will use the presented microstructural 3D models as input and verification data for advanced numerical simulations developed in the project. |
| doi_str_mv | 10.3390/ma13183928 |
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These data are of high demand for advanced numerical modeling. In this work, 3D microstructural models of Al2O3 greenbody, brownbody and sintered material are presented and analyzed, for ceramic samples manufactured with SLA-based AM workflow, using a commercially available ceramic paste and 3D printer. The novel data, acquired at the micro- and mesoscale, using Computed Tomography (CT), Scanning Electron Microscopy (SEM) and Focused Ion-Beam SEM (FIB/SEM) techniques, allowed a deep insight into additive ceramics characteristics. We demonstrated the spatial 3D distribution of ceramic particles, an organic binder and pores at every stage of AM workflow. The porosity of greenbody samples (1.6%), brownbody samples (37.3%) and sintered material (4.9%) are analyzed. Pore distribution and possible originating mechanisms are discussed. The location and shape of pores and ceramic particles are indicative of specific physical processes driving the ceramics manufacturing. We will use the presented microstructural 3D models as input and verification data for advanced numerical simulations developed in the project.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma13183928</identifier><identifier>PMID: 32899496</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>3-D printers ; Additive manufacturing ; Aluminum oxide ; Ceramics ; Computed tomography ; Computer simulation ; Data acquisition ; Evolution ; Ion beams ; Laboratories ; Manufacturers ; Mathematical models ; Microstructure ; Particle size ; Porosity ; Printers (data processing) ; Scanning electron microscopy ; Sintering ; Sintering (powder metallurgy) ; Three dimensional models ; Three dimensional printing ; Tomography ; Workflow</subject><ispartof>Materials, 2020-09, Vol.13 (18), p.3928</ispartof><rights>2020. This work is licensed under http://creativecommons.org/licenses/by/3.0/ (the “License”). 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We will use the presented microstructural 3D models as input and verification data for advanced numerical simulations developed in the project.</description><subject>3-D printers</subject><subject>Additive manufacturing</subject><subject>Aluminum oxide</subject><subject>Ceramics</subject><subject>Computed tomography</subject><subject>Computer simulation</subject><subject>Data acquisition</subject><subject>Evolution</subject><subject>Ion beams</subject><subject>Laboratories</subject><subject>Manufacturers</subject><subject>Mathematical models</subject><subject>Microstructure</subject><subject>Particle size</subject><subject>Porosity</subject><subject>Printers (data processing)</subject><subject>Scanning electron microscopy</subject><subject>Sintering</subject><subject>Sintering (powder metallurgy)</subject><subject>Three dimensional models</subject><subject>Three dimensional printing</subject><subject>Tomography</subject><subject>Workflow</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkdtKxDAQhoMoKqs3PkHBGxGqSaaH5EZY1_UAu6io1yFpUo20jSbNgm9vq-JpbmaY_-NnDgjtEXwEwPFxKwkQBpyyNbRNOC9SwrNs_Ve9hXZDeMZDwEBSvom2gDLOM15so9v5yjWxt65LXJ3cLabpqQxGJ9OGXkOytJV3ofex6qM3yVn0tntMplrb3q5MspRdrOWoje0b7yoTwg7aqGUTzO5XnqCH8_n97DJdXF9czaaLtKKcsVQRxalUNS5qCUCxVkqXKmfYcCgyORRaV6bEzEgpKS80YxhKk9c6J6Aohgk6-fR9iao1A9v1XjbixdtW-jfhpBV_lc4-iUe3EmWelznAYHDwZeDdazShF60NlWka2RkXg6BZRijLCj6i-__QZxd9N6z3QQEjpGADdfhJjUcL3tTfwxAsxmeJn2fBOxbjhSY</recordid><startdate>20200905</startdate><enddate>20200905</enddate><creator>Chugunov, Svyatoslav</creator><creator>Adams, Nikolaus A.</creator><creator>Akhatov, Iskander</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-4772-2302</orcidid><orcidid>https://orcid.org/0000-0002-0670-8152</orcidid></search><sort><creationdate>20200905</creationdate><title>Evolution of SLA-Based Al2O3 Microstructure During Additive Manufacturing Process</title><author>Chugunov, Svyatoslav ; 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| subjects | 3-D printers Additive manufacturing Aluminum oxide Ceramics Computed tomography Computer simulation Data acquisition Evolution Ion beams Laboratories Manufacturers Mathematical models Microstructure Particle size Porosity Printers (data processing) Scanning electron microscopy Sintering Sintering (powder metallurgy) Three dimensional models Three dimensional printing Tomography Workflow |
| title | Evolution of SLA-Based Al2O3 Microstructure During Additive Manufacturing Process |
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