In-situ nanoscale single fiber fragmentation using fluorescence microscopy

被引：0

作者：

Samuel, B. A. ^{[1
]}

Haque, M. A. ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech & Nucl Engn, University Pk, PA 16802 USA

来源：

PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION 2007, VOL 10, PTS A AND B: MECHANICS OF SOLIDS AND STRUCTURES | 2008年

关键词：

IMAGE CORRELATION;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

We use fluorescence microscopy to perform real time single fiber fragmentation experiments on individual PolyFurfuryl Alcohol (PFA) nanofibers embedded within a Poly DiMethyl Siloxane (PDMS) matrix. By using fluorescent nanofibers in an optically transparent matrix, fragmentation of the nanoscale fibers (even less than 400 nm) can also be easily visualized using fluorescence emission from the nanowires. When the composite specimen was loaded to saturation strain the fragment lengths distribution was observed to follow a two parameter Weibull frequency distribution. In addition, we also present a digital image correlation based technique to obtain localized strain (and hence stress) data based on the use of fluorescent nanoscale spatial markers.

引用

页码：1017 / 1020

页数：4

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