Effect of thermal annealing on the mechanical properties of low-emissivity physical vapor deposited multilayer-coatings for architectural applications

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autorinnen und Autoren: Meszaros R, Merle B, Wild M, Durst K, Göken M, Wondraczek L
Zeitschrift: Thin Solid Films
Jahr der Veröffentlichung: 2012
Band: 520
Heftnummer: 24
Seitenbereich: 7130-7135
ISSN: 0040-6090


Abstract

Low-emissivity (low-E) coatings comprising a stack of multiple physical vapor deposited metallic and dielectric layers play an important role in energy management of modern buildings. The production process of such architectural glazings often requires that the coatings withstand a short-term thermal load of up to 700~°C. Here, we report on thermally-induced variations in the mechanical properties of representative large-area magnetron-sputtered low-E stacks on glass, developed specifically for high temperature stability. Coatings are investigated before and after heat treatment by bulge testing, curvature analyses using Stoney's equation, and nanoindentation. For as-deposited coatings, an in-plane residual compressive stress about 48~MPa and Young's modulus of 120~GPa are found, depending on the type of substrate. Short-term exposure to up to 700~°C converts this situation to in-plane residual tensile stress of >~400~MPa, while Young's modulus decreases to about 105~GPa. These changes in the residual stress state are explained on the basis of structural, topological and dimensional changes in the coating stack. They identified as one of the primary factors governing temperature-resistance of low-E coatings.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Durst, Karsten PD Dr.
Lehrstuhl für Werkstoffwissenschaften (Allgemeine Werkstoffeigenschaften)
Göken, Mathias Prof. Dr.
Lehrstuhl für Werkstoffwissenschaften (Allgemeine Werkstoffeigenschaften)
Merle, Benoit PD Dr. habil.
Lehrstuhl für Werkstoffwissenschaften (Allgemeine Werkstoffeigenschaften)
Meszaros, Robert
Lehrstuhl für Werkstoffwissenschaften (Glas und Keramik)
Wondraczek, Lothar Prof. Dr.-Ing.
Professur für Werkstoffwissenschaften (Glas und Keramik)


Zusätzliche Organisationseinheit(en)
Exzellenz-Cluster Engineering of Advanced Materials


Einrichtungen weiterer Autorinnen und Autoren

Interpane Glas Industrie AG


Forschungsbereiche

C Photonic and Optical Materials
Exzellenz-Cluster Engineering of Advanced Materials
A2 Nanoanalysis and Microscopy
Exzellenz-Cluster Engineering of Advanced Materials


Zitierweisen

APA:
Meszaros, R., Merle, B., Wild, M., Durst, K., Göken, M., & Wondraczek, L. (2012). Effect of thermal annealing on the mechanical properties of low-emissivity physical vapor deposited multilayer-coatings for architectural applications. Thin Solid Films, 520(24), 7130-7135. https://dx.doi.org/10.1016/j.tsf.2012.07.086

MLA:
Meszaros, Robert, et al. "Effect of thermal annealing on the mechanical properties of low-emissivity physical vapor deposited multilayer-coatings for architectural applications." Thin Solid Films 520.24 (2012): 7130-7135.

BibTeX: 

Zuletzt aktualisiert 2019-14-03 um 12:59