A study of nano-mechanical and macro-mechanical properties of ethylene vinyl acetate

被引：7
|
作者：
Kim, Jaehyun [1 ]
Wang, Janson [2 ]
Kang, Ho-Jong [1 ]
Talke, Frank [2 ]
机构：
[1] Dankook Univ, Dept Polymer Sci & Engn, Ctr Adv Funct Polymers, Seoul 140714, South Korea
[2] Univ Calif San Diego, Ctr Magnet Recording Res, La Jolla, CA 92093 USA
来源：
POLYMER ENGINEERING AND SCIENCE | 2008年 / 48卷 / 02期
关键词：
D O I：
10.1002/pen.20883
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Nano- and macro-mechanical properties of ethylene vinyl acetate (EVA) with various amounts of vinyl acetate (VA) have been investigated. Nano-mechanical properties (modulus and hardness) were obtained using nano-indentation measurements while macromechanical properties were determined using tensile test measurements. A decrease in Young's modulus and hardness was observed with increasing VIA content for both nano- and macro-mechanical measurements. An increase in Young's modulus and hardness was observed as a function of the draw ratio keeping the VA content constant. The difference between macro and nano-mechanical properties as a function of VIA content and draw ratio is explained in terms of crystallinity and chain orientation. POLYM. ENG. SCI., 48:277282, 2008. (c) 2007 Society of Plastics Engineers.
引用
收藏
页码：277 / 282
页数：6
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