About the measurement of dynamic mechanical properties of bi-layer systems

The bi-layer system has been well developed for many engineering structural components in the aircraft, automotive, microelectronics and modern space industries in the last few decades. Consequently, a good determination of its dynamic mechanical properties is important for an appropriate design of...

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Detalles Bibliográficos
Autores principales: Goyanes, S.N., Roncaglia, A., Saavedra, F., Rubiolo, G.H.
Formato: JOUR
Materias:
Complex bending stiffness
Dynamic mechanical analyzer
Loss tangent
Polymer-hard substrate bi-layer systems
Three points bending test
Bending moments
Dynamic response
Elastic moduli
Glass transition
Industrial applications
Mechanical properties
Polymeric glass
Polyvinyl chlorides
Random errors
Rheometers
Structural design
Structures (built objects)
Substrates
Thermal effects
Bi-layer systems
Dynamic mechanic thermal analyser (DMTA)
Electronics engineering
internal friction
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_09215093_v370_n1-2_p431_Goyanes
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_09215093_v370_n1-2_p431_Goyanes
record_format dspace
spelling todo:paper_09215093_v370_n1-2_p431_Goyanes2023-10-03T15:45:37Z About the measurement of dynamic mechanical properties of bi-layer systems Goyanes, S.N. Roncaglia, A. Saavedra, F. Rubiolo, G.H. Complex bending stiffness Dynamic mechanical analyzer Loss tangent Polymer-hard substrate bi-layer systems Three points bending test Bending moments Dynamic response Elastic moduli Glass transition Industrial applications Mechanical properties Polymeric glass Polyvinyl chlorides Random errors Rheometers Structural design Structures (built objects) Substrates Thermal effects Bi-layer systems Dynamic mechanic thermal analyser (DMTA) Electronics engineering internal friction The bi-layer system has been well developed for many engineering structural components in the aircraft, automotive, microelectronics and modern space industries in the last few decades. Consequently, a good determination of its dynamic mechanical properties is important for an appropriate design of its industrial application. These studies are usually performed by a three-point bending test using a dynamic mechanical analyzer (DMA). In this work, we show that the three points bending test on a bi-layer system carried out with the test tool provided in a commercial DMA, for example the dynamic mechanical thermal analyzer (DMTA) Rheometric IV, can lead to erroneous results. Measurements on polymer-hard substrate bi-layer systems around the glass transition temperature of the polymer, Tg, give larger changes in elastic modulus and loss tangent than they are. This problem is not observed at temperatures lower than Tg. The design of new test tool and specimen geometry for the three points bending test is shown together with its application to the measurement of the dynamic elastic properties of a polyvinyl chloride (PVC)-aluminum bi-layer system. © 2003 Elsevier B.V. All rights reserved. Fil:Goyanes, S.N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Roncaglia, A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_09215093_v370_n1-2_p431_Goyanes
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Complex bending stiffness
Dynamic mechanical analyzer
Loss tangent
Polymer-hard substrate bi-layer systems
Three points bending test
Bending moments
Dynamic response
Elastic moduli
Glass transition
Industrial applications
Mechanical properties
Polymeric glass
Polyvinyl chlorides
Random errors
Rheometers
Structural design
Structures (built objects)
Substrates
Thermal effects
Bi-layer systems
Dynamic mechanic thermal analyser (DMTA)
Electronics engineering
internal friction
spellingShingle Complex bending stiffness
Dynamic mechanical analyzer
Loss tangent
Polymer-hard substrate bi-layer systems
Three points bending test
Bending moments
Dynamic response
Elastic moduli
Glass transition
Industrial applications
Mechanical properties
Polymeric glass
Polyvinyl chlorides
Random errors
Rheometers
Structural design
Structures (built objects)
Substrates
Thermal effects
Bi-layer systems
Dynamic mechanic thermal analyser (DMTA)
Electronics engineering
internal friction
Goyanes, S.N.
Roncaglia, A.
Saavedra, F.
Rubiolo, G.H.
About the measurement of dynamic mechanical properties of bi-layer systems
topic_facet Complex bending stiffness
Dynamic mechanical analyzer
Loss tangent
Polymer-hard substrate bi-layer systems
Three points bending test
Bending moments
Dynamic response
Elastic moduli
Glass transition
Industrial applications
Mechanical properties
Polymeric glass
Polyvinyl chlorides
Random errors
Rheometers
Structural design
Structures (built objects)
Substrates
Thermal effects
Bi-layer systems
Dynamic mechanic thermal analyser (DMTA)
Electronics engineering
internal friction
description The bi-layer system has been well developed for many engineering structural components in the aircraft, automotive, microelectronics and modern space industries in the last few decades. Consequently, a good determination of its dynamic mechanical properties is important for an appropriate design of its industrial application. These studies are usually performed by a three-point bending test using a dynamic mechanical analyzer (DMA). In this work, we show that the three points bending test on a bi-layer system carried out with the test tool provided in a commercial DMA, for example the dynamic mechanical thermal analyzer (DMTA) Rheometric IV, can lead to erroneous results. Measurements on polymer-hard substrate bi-layer systems around the glass transition temperature of the polymer, Tg, give larger changes in elastic modulus and loss tangent than they are. This problem is not observed at temperatures lower than Tg. The design of new test tool and specimen geometry for the three points bending test is shown together with its application to the measurement of the dynamic elastic properties of a polyvinyl chloride (PVC)-aluminum bi-layer system. © 2003 Elsevier B.V. All rights reserved.
format JOUR
author Goyanes, S.N.
Roncaglia, A.
Saavedra, F.
Rubiolo, G.H.
author_facet Goyanes, S.N.
Roncaglia, A.
Saavedra, F.
Rubiolo, G.H.
author_sort Goyanes, S.N.
title About the measurement of dynamic mechanical properties of bi-layer systems
title_short About the measurement of dynamic mechanical properties of bi-layer systems
title_full About the measurement of dynamic mechanical properties of bi-layer systems
title_fullStr About the measurement of dynamic mechanical properties of bi-layer systems
title_full_unstemmed About the measurement of dynamic mechanical properties of bi-layer systems
title_sort about the measurement of dynamic mechanical properties of bi-layer systems
url http://hdl.handle.net/20.500.12110/paper_09215093_v370_n1-2_p431_Goyanes
work_keys_str_mv AT goyanessn aboutthemeasurementofdynamicmechanicalpropertiesofbilayersystems
AT roncagliaa aboutthemeasurementofdynamicmechanicalpropertiesofbilayersystems
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AT rubiologh aboutthemeasurementofdynamicmechanicalpropertiesofbilayersystems
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