An Experimental Study of Self-diagnosis of Interlaminar Damage in Carbon-fiber Composites

被引：7
|
作者：
Ngabonziza, Y. [1 ]
Ergun, H. [2 ]
Kuznetsova, R. [1 ]
Li, J. [1 ]
Liaw, B. M. [1 ]
Delale, F. [1 ]
Chung, J. H. [3 ]
机构：
[1] CUNY City Coll, Dept Mech Engn, New York, NY 10031 USA
[2] Istanbul Tech Univ, Mech Div, Fac Civil Engn, TR-34469 Istanbul, Turkey
[3] Global Contour Ltd, Rockwall, TX 75087 USA
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2010年 / 21卷 / 03期
关键词：
self-diagnosis; structural health monitoring; electrical properties; interlaminar damage; carbon-fiber composites; ELECTRICAL-RESISTANCE MEASUREMENT; POLYMER-MATRIX COMPOSITE; POTENTIAL METHOD; IMPACT SENSOR; STRAIN; DELAMINATION; ELECTRODES; THICKNESS; FATIGUE;
D O I：
10.1177/1045389X09347019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An experimental study was conducted to sense interlaminar delamination in carbon-fiber composites utilizing inherent material piezoresistivity. Mode I and II interlaminar fracture tests were carried out on double cantilever beam and end-notched-flexure specimens following ASTM standards. The traditional DC-sourcing two-point probe technique was employed to measure the through-thickness electrical resistance change. For comparison, optical marker method and acoustic emission technique were also applied to detect interlaminar crack growth. The investigation demonstrates the application potential of the self-sensing capabilities of carbon-fiber composites for structural health monitoring.
引用
收藏
页码：233 / 242
页数：10
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