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Mechanistic Studies of Compacted and sintered rock salt

  • This chapter discusses different approaches for the densification of rock salt powders via compaction and sintering, focusing on the use of powder qualities obtained by crunching and milling of the natural rock salt. The chapter also examines the effect of compaction pressure, time and temperature on sintering of rock salt. Natural rock salt samples were crushed and milled in a disc mill to obtain fine powders in an experiment. The hot stage microscope allowed observing the in-situ volumetric shrinkage to be determined during the sintering process by measuring the area of the sample's projection in an optical setup by a CCD camera. Images were collected at a rate of 40 frames per minute. After the application of high pressures, the obtained samples are translucent and show the formation of macroscopic crack. Powder compacts prepared by uniaxial pressing, at different maximum pressures, were annealed at a constant heating rate (10 K min-1) to different maximum temperatures. TheseThis chapter discusses different approaches for the densification of rock salt powders via compaction and sintering, focusing on the use of powder qualities obtained by crunching and milling of the natural rock salt. The chapter also examines the effect of compaction pressure, time and temperature on sintering of rock salt. Natural rock salt samples were crushed and milled in a disc mill to obtain fine powders in an experiment. The hot stage microscope allowed observing the in-situ volumetric shrinkage to be determined during the sintering process by measuring the area of the sample's projection in an optical setup by a CCD camera. Images were collected at a rate of 40 frames per minute. After the application of high pressures, the obtained samples are translucent and show the formation of macroscopic crack. Powder compacts prepared by uniaxial pressing, at different maximum pressures, were annealed at a constant heating rate (10 K min-1) to different maximum temperatures. These experiments were performed in a conventional sintering furnace under ambient atmosphere.zeige mehrzeige weniger

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Metadaten
Autoren/innen:C. Swanson, Susanne Böhme, Jens Günster
Persönliche Herausgeber/innen:Gurpreet Singh
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Processing, Properties, and Design of Advanced Ceramics and Composites: Ceramic Transactions
Jahr der Erstveröffentlichung:2016
Organisationseinheit der BAM:5 Werkstofftechnik
5 Werkstofftechnik / 5.4 Keramische Prozesstechnik und Biowerkstoffe
Herausgeber (Institution):The American Ceramic Society
Verlag:John Wiley & Sons
Verlagsort:New York
Jahrgang/Band:259
Erste Seite:159
Letzte Seite:172
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurwissenschaften und zugeordnete Tätigkeiten
Freie Schlagwörter:Rock Salt Sintering
Themenfelder/Aktivitätsfelder der BAM:Material
Veranstaltung:Materials Science and Technology (MS&T '15)
Veranstaltungsort:Columbus, Ohio, USA
Beginndatum der Veranstaltung:04.10.2015
Enddatum der Veranstaltung:08.10.2015
DOI:https://doi.org/10.1002/9781119323303.ch14
ISBN:978-1-119-32463-8
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:27.02.2017
Referierte Publikation:Nein