Mechanical and thermal properties of polycarbonate, part 1: Influence of free quenching
Identifieur interne : 000E06 ( Main/Exploration ); précédent : 000E05; suivant : 000E07Mechanical and thermal properties of polycarbonate, part 1: Influence of free quenching
Auteurs : F. Rouabah [France, Algérie] ; M. Fois [France] ; L. Ibos [France] ; A. Boudenne [France] ; C. Picard [France] ; D. Dadache [Algérie] ; N. Haddaoui [Algérie]Source :
- Journal of Applied Polymer Science [ 0021-8995 ] ; 2008-08-05.
English descriptors
Abstract
The effect of different thermal treatments on the mechanical and thermal properties of polycarbonate was investigated. The first quenching procedure which involves the quench of the samples from the melt state to different temperatures allowed improving impact strength and elongation at break for a quenching temperature of 0°C. A second quenching procedure, corresponding to specimens heated again at 160°C (Tg + 15°C) and quenched a second time, showed a better enhancement of the impact strength and elongation at break to the detriment of other properties such as elastic modulus, density, yield stress, and heat distortion temperature, for a quenching temperature of 40°C. This effect was associated to the existence of a relaxation mode around 35°C. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008
Url:
DOI: 10.1002/app.28218
Affiliations:
- Algérie, France
- Haute-Normandie, Région Normandie, Île-de-France
- Créteil, Le Havre
- Université du Havre
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The first quenching procedure which involves the quench of the samples from the melt state to different temperatures allowed improving impact strength and elongation at break for a quenching temperature of 0°C. A second quenching procedure, corresponding to specimens heated again at 160°C (Tg + 15°C) and quenched a second time, showed a better enhancement of the impact strength and elongation at break to the detriment of other properties such as elastic modulus, density, yield stress, and heat distortion temperature, for a quenching temperature of 40°C. This effect was associated to the existence of a relaxation mode around 35°C. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li></country><region><li>Haute-Normandie</li><li>Région Normandie</li><li>Île-de-France</li></region><settlement><li>Créteil</li><li>Le Havre</li></settlement><orgName><li>Université du Havre</li></orgName></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Rouabah, F" sort="Rouabah, F" uniqKey="Rouabah F" first="F." last="Rouabah">F. Rouabah</name></region><name sortKey="Boudenne, A" sort="Boudenne, A" uniqKey="Boudenne A" first="A." last="Boudenne">A. Boudenne</name><name sortKey="Fois, M" sort="Fois, M" uniqKey="Fois M" first="M." last="Fois">M. Fois</name><name sortKey="Ibos, L" sort="Ibos, L" uniqKey="Ibos L" first="L." last="Ibos">L. Ibos</name><name sortKey="Picard, C" sort="Picard, C" uniqKey="Picard C" first="C." last="Picard">C. Picard</name><name sortKey="Rouabah, F" sort="Rouabah, F" uniqKey="Rouabah F" first="F." last="Rouabah">F. 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