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Topical issue: Geopolymers

  • Geopolymers have gained very much momentum in recent years, in science and in industry. These highly promising and versatile materials have been researched with a view to applications as diverse as fire-resistant/refractory materials, as precursors for ceramics, in waste stabilization/immobilization, and as novel building materials. The great interest in these materials is reflected, inter alia, by the installment of a session on geopolymers at the 92nd Annual Meeting of the Deutsche Keramische Gesellschaft (DKG; German Ceramic Society) in March 2017. Therefore this Special Issue is dedicated to disseminating some of the recent findings on these materials. In addition, it contains reviews by highly experienced researchers in the field, highlighting very different aspects such as fiber reinforcement and synchrotron-based characterization methods. Partly due to the interest from very different fields, the term „geopolymer“ is used with two different meanings. Sometimes it is used inGeopolymers have gained very much momentum in recent years, in science and in industry. These highly promising and versatile materials have been researched with a view to applications as diverse as fire-resistant/refractory materials, as precursors for ceramics, in waste stabilization/immobilization, and as novel building materials. The great interest in these materials is reflected, inter alia, by the installment of a session on geopolymers at the 92nd Annual Meeting of the Deutsche Keramische Gesellschaft (DKG; German Ceramic Society) in March 2017. Therefore this Special Issue is dedicated to disseminating some of the recent findings on these materials. In addition, it contains reviews by highly experienced researchers in the field, highlighting very different aspects such as fiber reinforcement and synchrotron-based characterization methods. Partly due to the interest from very different fields, the term „geopolymer“ is used with two different meanings. Sometimes it is used in the sense to denote the ceramic-like materials produced by activation of metakaolin with alkali silicate solutions, and closely related materials. On the other hand, sometimes it is used in a much broader sense to refer to any material that is produced by alkali-activation of many different aluminosilicate precursors, such as fly ash and granulated blast furnace slag waste materials, often serving as a cementitious binder. The present issue focusses on applications and materials that may be classified as ceramic, but also contains a review on the use of alkali-activated materials as construction materials to make the reader familiar with this approach too. Additionally, some of the materials described in this issue may be regarded as being „on the borderline“ between ceramics and cements, which is something that can be said about many studies in the geopolymer field. The editors are very grateful to each of the authors of the articles in the present issue, as all of them have contributed high quality research based on their extensive experience. In particular, the historial perpectives on the origins and developments of geopolymers and of alkali activated materials have been authoritatively documented in contributions, by Joseph Davidovits and Pavel Krivenko. Dr. Krivenko was the Ph.D. student of Viktor D. Glukhovsky who first introduced alkali activated cements in 1957. It is hoped that the readers of this issue will enjoy reading it as much as the editors enjoyed putting it together, and that the issue will stimulate more high quality studies of geopolymers, perhaps even from research groups that have not yet been active in this area.zeige mehrzeige weniger

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Metadaten
Persönliche Herausgeber*innen:W. M. Kriven, Gregor Gluth
Dokumenttyp:Zeitschriftenheft (Herausgeberschaft für das komplette Heft)
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Journal of ceramic science and technology
Jahr der Erstveröffentlichung:2017
Herausgeber (Institution):Deutsche Keramische Gesellschaft (DKG)
Verlag:Göller Verlag
Verlagsort:Baden-Baden
Jahrgang/Band:8
Ausgabe/Heft:3
Erste Seite:307
Letzte Seite:432
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Alkali-activated materials; Geopolymers; Inorganic polymers
URL:https://www.ceramic-science.com/issues/all-issues.html?issue_id=223
ISSN:2190-9385
Zugehöriger Identifikator:https://opus4.kobv.de/opus4-bam/frontdoor/index/index/docId/42139
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:21.11.2017
Referierte Publikation:Nein
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