THE NATURE OF DEFORMATION IN SEMICRYSTALLINE POLYBUTYLENETEREPHTHALATE AT HIGH STRAIN LEVELS

机译：高应变水平下半结晶聚对苯二甲酸乙二酯的变形性质

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Non-elastic deformation of semicrystalline polybutyleneterephtalate, strained under and above Tg to different extents, was studied from calorimetric measurements and strain recovery tests. For both the temperature conditions the results showed that straining provides two deformation components: one recoverable in time and another one irreversible, this latter appearing from relatively low levels of strain. The recorevable component can also be erased by heating the material at temperature much higher than Tg.

机译：从比色法测量和应变恢复测试中研究了在Tg之上和之下不同程度应变的半结晶聚对苯二甲酸丁二酯的非弹性变形。对于这两种温度条件，结果均表明应变提供了两个变形分量：一个可及时恢复，另一个可逆，这是由于应变水平较低而出现的。还可以通过在远高于Tg的温度下加热材料来消除可复溶的成分。

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来源
《International Conference on Deformation, Yield and Fracture of Polymers; 20000410-20040413; Cambridge; GB》|2000年|P.313-316|共4页
会议地点 Cambridge(GB)
作者
T. Ricco; A. Pegoretti; A. Guardini;
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作者单位

Department of Materials Engineering, University of Trento, Via Mesiano77, 138050 Trento (Italy);

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原文格式 PDF
正文语种 eng
中图分类复合材料;
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THE NATURE OF DEFORMATION IN SEMICRYSTALLINE POLYBUTYLENETEREPHTHALATE AT HIGH STRAIN LEVELS

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