The variation of the microstructure within the thickness of moulding plates of two semicrystalline polymers, an isotactic Poly-Propylene and a Poly-Butylene Terephtalate, was observed by optical microscopy technique. These observations allowed specifying the different zones of iso-microstructure within the plate thickness, commonly called “skin zone”, “shear zone”, “post filling zone ”and“ core zone”in terms of crystallite size and zone thickness. The variation of the melting temperature was then analysed by using a local thermal analysis method based on the scanning thermal microscopy technique in each of these zones. Our results show the expected link between the local microstructure and the polymer melting temperature. They also highlight a strong coupling between the microstructure, the material and its processing conditions.
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ASME 2013 International Mechanical Engineering Congress and Exposition
November 15–21, 2013
San Diego, California, USA
Conference Sponsors:
- ASME
ISBN:
978-0-7918-5631-4
PROCEEDINGS PAPER
Analysis of the Microstructure of Polymers With Regard to Their Thermomechanical History: STHM and DSC Measurements
M’hamed Boutaous,
M’hamed Boutaous
Université de Lyon, Villeurbanne, France
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Séverine Gomes,
Séverine Gomes
Université de Lyon, Villeurbanne, France
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Refaa Zakariaa,
Refaa Zakariaa
Université de Lyon, Villeurbanne, France
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Matthieu Zinet,
Matthieu Zinet
Université de Lyon, Villeurbanne, France
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Patrick Bourgin
Patrick Bourgin
Université de Lyon, Villeurbanne, France
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M’hamed Boutaous
Université de Lyon, Villeurbanne, France
Séverine Gomes
Université de Lyon, Villeurbanne, France
Refaa Zakariaa
Université de Lyon, Villeurbanne, France
Matthieu Zinet
Université de Lyon, Villeurbanne, France
Patrick Bourgin
Université de Lyon, Villeurbanne, France
Paper No:
IMECE2013-64961, V07AT08A029; 7 pages
Published Online:
April 2, 2014
Citation
Boutaous, M, Gomes, S, Zakariaa, R, Zinet, M, & Bourgin, P. "Analysis of the Microstructure of Polymers With Regard to Their Thermomechanical History: STHM and DSC Measurements." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 7A: Fluids Engineering Systems and Technologies. San Diego, California, USA. November 15–21, 2013. V07AT08A029. ASME. https://doi.org/10.1115/IMECE2013-64961
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