TC07: Crystallisation & GCs

The strategy of TC07 is based on the following topics: -new properties and new applications of multi-component glass-ceramics; -fundamental studies of the kinetics mechanisms of nucleation and overall crystallization (e.g. surface versus internal crystallization).

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Mission statement

To understand from both theoretical and experimental points of view the fundamental aspects that govern crystal nucleation and growth in glasses; and to foster collaboration between academic, governmental, and industrial researchers to develop, characterize, and optimize existing and novel glass-ceramics and their processing with focus on multi-component systems.

Activities and planned actions

Participants in front of the auditorium

12th International Symposium on Crystallization in Glasses and Liquids (2017)

The 12th International Symposium on Crystallization in Glasses and Liquids (Crystallization 2017) was celebrated in the historic city of Segovia, Spain. The conference chairs were M.J. Pascual and A. Durán. The home page of the event is still available here. The conference venue was the Auditorium in the Parador de Segovia. The Spanish Society of Ceramics and Glass (SECV) had the pleasure and honour to host this conference, which is the twelfth in a series. Previous versions have been held in

Nagaoka, Japan 2015 (T. Komatsu, A. Sakamoto)
Goslar, Germany 2012 (J. Deubener)
Iguaçu Falls, Brazil 2009 (E.D. Zanotto)
Jackson Hole, Wyoming U.S.A. 2006 (M.J. Davis)
Sheffield, England 2003 (P.F. James)
Vaduz, Liechtenstein 2000 (W. Höland)
Florianopólis, Brazil 1996 (E.D. Zanotto)

Over the years, these bi- or triennial meetings have established a strong international reputation for disseminating the state-of-the-art in crystallization research, from fundamental aspects to innovative glass-ceramic products. The Segovia meeting covered the areas of simulation and theory, formation, structure, properties, and applications of crystallized glasses presented in 57 lectures (including 11 invited talks) and 76 posters. In particular,  participants from nineteen different countries found excellent opportunities for facilitating discussion on:

Fundamental approaches to nucleation and crystal growth (the interplay of theory, modelling and experiment)
Experimental studies (compositional and structural influences)
Advanced methods, techniques and characterization tools (in-situ, real time)
Role of nucleation agents (halogens, rare-earth and transition-metal oxides, noble metals)
Properties of glass-ceramics (thermal, mechanical, electrical, optical, chemical)
Microstructure/property relationships in glass-ceramics (strength, transparency, chemical resistance)
Novel processing techniques (laser sintering, sol-gel, field-induced nucleation…)
Commercial and new glass-ceramic applications (appliances, armour, bio-medical, dental, optical, seals)
Crystallization phenomena in related materials (metallic glasses, polymer glasses, natural glasses)

The invited paper were given by:

C. Rüssel, Otto Schott Institute, Jena University (Germany)
J.W. P. Schmelzer, Rostock University (Germany)
A.S. Abyzov, NSC Kharkov Institute of Physics and Technology (Ukraine)
W. Höland, Ivoclar Vivadent AG (Liechtenstein)
Q. Jianrong, Zhejiang University (China)
H. Jain, Lehigh University (USA)
F. Serbena, UEPG (Brazil)
C. Siligardi, DIEF, University of Modena and Reggio Emilia (Italy)
T. Honma, Nagaoka University of Technology (Japan)
M. Allix, CEMHTI laboratory (France)
A. de Pablos-Martín, IMWS, Halle (Germany)

Two oral presentations and four posters presentations were awarded with a certificate and a gift (100 €) to presenters below 40 years old. The oral awards went to Susanne Krüger from Clausthal University (Germany) for her presentation “How to take into account the stochastic nature of nucleation in constructing a time-temperature-transformation diagram?” and Mariona Tarragó from Barcelona University (Spain) for her presentation “Simulation of vitrification of sewage sludge using a Ca-doped basalt”. The four posters awards went to Mikiya Kotava (Japan), Carsten Blaess (Germany), Tina Waurischk (Germany) and Laura Briese (Germany).

Awardees S. Krüger (centre-left) and M. Tarragó (centre-right) with the conference chairs M.J. Pascual (right) and A. Durán (left)

The excursion led through the Royal Glass Factory of La Granja National Centre of Glass and La Granja Gardens.
The Symposium was supported by:

Fundación Centro Nacional del Vidrio (FCNV, La Granja)
Erich Netzsch GmbH & Co. Holding KG
Segovia Convention Bureau



Topical issues

TC07 aims in publishing jointly research activities in print media.  The list shows upcoming and finalized special issues on crystallization in glasses and glass-ceramics (guest editors are indicated in brackets).

Selected paper of the Segovia Meeting will be published in J. Non-Cryst. Solids in 2018 (submission closed on Dec. 01, 2017)

"Nucleation and Crystallization of Glasses and Glass-Ceramics" Frontiers Media SA, 2017 (W. Höland, J. Deubener)
MRS Bulletin, Volume 42, Issue 3, 2017 (M.J. Davis, E.D. Zanotto)
Journal of Non-Crystalline Solids, Volume 384, 2014 (J. Deubener)
Journal of Non-Crystalline Solids, Volume 356, Issues 52-54, 2010 (V.R. Mastelaro, M.J. Davis, E.D. Zanotto)
Am. Ceram. Soc., CD-ROM 2009, ISBN 978-0-470-09732-8 (M.J. Davis)
Phys. Chem. Glasses 45, 2004 and Glass Technol. 45, 2004  (P.F. James)
Glastech. Ber. Glass Sci. Technol. 73 C1, 2000 (W. Höland)
Journal of Non-Crystalline Solids, Volume 219, 1997 (E.D. Zanotto)



Other activities in 2017

TC07 had the business meeting at Sunday September 10.

Attendees of the meeting in Parador de Segovia. From left to right: Wolfram Höland,  María Jesús Pascual,  Signo Nakane, Joachim Deubener, Tsuyoshi Honma, Edgar Zanotto, Mark Davis, Ina Mitra, Shifeng Zhou, Ralf Müller, Takayuki Komatsu, Philippe Pradeau and Markus Rampf



TC07 members contributed with invited talks to the Professor Takayuki Komatsu Kinen Honorary Symposium at the PacRim12 conference in Hawaii.

TC07 members lectured at the 9th ICG Summer School in Montpellier in cooperation with TC23 and others on crystallization issues.

TC07 provided open access to a wide range of research facilities, material resources and unpublished data for their members, especially young professionals (industry) and PhD students (academia) of the member's groups.




Activities for the year 2018

The open access paper "Updated definition of glass-ceramics" has been published jointly in the Journal of Non-Crystalline Solids.

preparation of the 13th International Symposium on Crystallization in Glasses and Liquids to be held in Paris, France in 2020.

Business meetings will be held at the ICG Annual Meeting 2018 in Yokohama, Japan and the PNCS-ESG 2018 in Saint Malo, France.

Committee Members: back to top

Cormier, Laurent
Davis, Mark
Deubener, Joachim Committee Position: Chair
Fokin, Vladimir
Hill, Robert
Holand, Wolfram Committee Position: Vice Chair
Honma, Tsuyoshi
Komatsu, Taka
Mitra, Ina
Müller, Ralf
Nakane, Shingo
Pascual, Maria
Pradeau, Philippe
Prado, Miguel
Rampf, Markus
Zanotto, Edgar
Zhou, Shifeng

Committee Contact Details: back to top

TC07: Crystallisation & GCs
Clausthal University of Technology

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