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µPAD makes Powder Aerosol Deposition accessible : A modular and inexpensive approach to produce dense ceramic films at room temperature

Title data

Exner, Jörg ; Linz, Mario ; Kita, Jaroslaw ; Moos, Ralf:
µPAD makes Powder Aerosol Deposition accessible : A modular and inexpensive approach to produce dense ceramic films at room temperature.
Event: PACRIM 14, The 14th Pacific Rim Conference of Ceramic Societies , 13.12.-16.12.2021 , Vancouver (virtual), USA.
(Conference item: Conference , Speech )

Abstract in another language

Powder aerosol deposition (PAD), also referred to as aerosol deposition method (ADM) or vacuum kinetic spray (VKS), combines several advantages over conventional ceramic coating processes. Due to its unique deposition mechanism (called room temperature impact consolidation, RTIC), film formation occurs completely at room temperature, yet enables to form fully dense ceramic films without any binders nor sintering processes involved. Developments in the past decade pointed towards a better understanding of the deposition mechanism, and a scale-up of the spray process. The latter resulted in an enhanced process control and increased coating areas, however at the cost of a significantly higher complexity of the devices. High investment costs and the difficult prospect to build the required knowhow may hinder researchers in the field of chemistry and material science to start using this otherwise very promising coating technique. In a complementary effort, we present a simpli-fied, more accessible approach to use the powder aerosol deposition. The aim is to enable film formation on smaller scale (spots with a diameter of 1 cm) yet still adequate for material research and application testing. Therefore, we propose and will demonstrate a modular, miniaturized and easily usable coating setup capable of producing ceramic films at room temperature.

Further data

Item Type: Conference item (Speech)
Refereed: Yes
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 21 Dec 2021 08:34
Last Modified: 21 Dec 2021 08:34
URI: https://eref.uni-bayreuth.de/id/eprint/68210