Near zero shrinkage porous Al2O3 prepared via 3D-printing and reaction bonding
- Porous Al2O3 with high porosity (~45%), remarkable flexural strength (~70 MPa), and low dimensional change (~1–2%), was produced by indirect 3D printing and reaction bonding. Coarse Al with good flowability was carried out printing green body. The green body was heat treated to get fully oxidized, volume expansion during oxidation simultaneously formed strong neck bonding, not only brought good strength, but also restricted shrinkage. Porous Al2O3 with architecture of macro pores designed by 3D printing and micro pores in the strut formed by packing of particles was obtained. The near zero shrinkage can facilitate precise design of product with complex shape.
Autor*innen: | Dongxu Yao, Cynthia Wirth, Y.-P. Zeng, D. Jiang, Jens GünsterORCiD, J. Heinrich |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Materials letters |
Jahr der Erstveröffentlichung: | 2015 |
Verlag: | North-Holland Publ. Co. |
Verlagsort: | Amsterdam |
Jahrgang/Band: | 147 |
Erste Seite: | 116 |
Letzte Seite: | 118 |
Freie Schlagwörter: | Al2O3 reaction bonding |
DOI: | 10.1016/j.matlet.2015.02.037 |
ISSN: | 0167-577x |
ISSN: | 1873-4979 |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 20.02.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 25.11.2015 |