Stress and temperature self-sensing fibres

被引：10
|
作者：
Psarras, GC
Parthenios, J
Bollas, D
Galiotis, C
机构：
[1] Fdn Res & Technol Hellas, Inst Chem Engn & High Temp Chem Proc, Patras 26500, Greece
[2] Univ Patras, Sch Nat Sci, Dept Mat Sci, Patras 26504, Greece
来源：
CHEMICAL PHYSICS LETTERS | 2003年 / 367卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(02)01683-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Raman response of aramid fibers is examined as a function of the applied stress and temperature. Noticeable wavenumber shifts are recorded for the 1611 and 1648 cm(-1) Raman bands with increasing stress. In contrast, only the 1611 cm(-1) band is affected by temperature within the -50 to 200 degreesC range. The existence of two adjacent vibrational modes sensitive to stress with only one of the two being temperature dependent, allows the development of a simultaneous stress and temperature spectroscopic sensor. The applicability of this sensor is evaluated on an epoxy resin aramid fiber composite activated by a shape-memory-alloy actuator. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：270 / 277
页数：8
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