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Mechanical Behavior of a Series of Copolyester Blends near the Glass Transition : Monotonic and Load-Hold Behavior in Compression
المؤلفون المشاركون
Dupaix, Rebecca B.
Chandrasekaran, Gurucharan
المصدر
International Journal of Polymer Science
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-9، 9ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-01-12
دولة النشر
مصر
عدد الصفحات
9
التخصصات الرئيسية
الملخص EN
Monotonic loading tests were conducted on five commercial blends of poly(ethylene terephthalate) (PET) and poly(1,4-cyclohexylenedimethylene terephthalate) (PCT) at temperatures of 90°C and 100°C and strain rates of 0.1/s, 0.05/s, and 0.005/s in uniaxial and plane strain compression.
On comparing the mechanical behavior of the five materials, it was found that the behavior of the low-PCT content materials was different from the high-PCT content materials only at conditions that favored strain-induced crystallization, particularly in plane strain compression.
Load-hold tests were also conducted on three of the blends with similar results to the monotonic tests.
Material differences were only pronounced at certain conditions, and in these cases the low-PCT content materials showed increased strain hardening after the hold period while the high-PCT content material did not.
Therefore, it was found that the addition of a hold period was not exclusively required to observe differences in the crystallizable materials over the noncrystallizing blends.
The increased strain hardening likely associated with crystallization in PET was only observed when the following conditions were met: (i) strain rates of 0.1/s and above, (ii) temperatures of 90°C–100°C, (iii) plane strain compression, and (iv) after a certain level of deformation.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Chandrasekaran, Gurucharan& Dupaix, Rebecca B.. 2012. Mechanical Behavior of a Series of Copolyester Blends near the Glass Transition : Monotonic and Load-Hold Behavior in Compression. International Journal of Polymer Science،Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-456873
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Chandrasekaran, Gurucharan& Dupaix, Rebecca B.. Mechanical Behavior of a Series of Copolyester Blends near the Glass Transition : Monotonic and Load-Hold Behavior in Compression. International Journal of Polymer Science No. 2012 (2012), pp.1-9.
https://search.emarefa.net/detail/BIM-456873
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Chandrasekaran, Gurucharan& Dupaix, Rebecca B.. Mechanical Behavior of a Series of Copolyester Blends near the Glass Transition : Monotonic and Load-Hold Behavior in Compression. International Journal of Polymer Science. 2012. Vol. 2012, no. 2012, pp.1-9.
https://search.emarefa.net/detail/BIM-456873
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-456873
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