Nondestructive corrosion detection using fiber optic photoacoustic ultrasound generator

被引：24
|
作者：
Zou, Xiaotian [1 ]
Schmitt, Tyler [2 ]
Perloff, David [3 ]
Wu, Nan [2 ]
Yu, Tzu-Yang [3 ]
Wang, Xingwei [1 ,2 ]
机构：
[1] Univ Massachusetts Lowell, Dept Biomed Engn & Biotechnol, Lowell, MA 01854 USA
[2] Univ Massachusetts Lowell, Dept Elect & Comp Engn, Lowell, MA 01854 USA
[3] Univ Massachusetts Lowell, Dept Civil & Environm Engn, Lowell, MA 01854 USA
来源：
MEASUREMENT | 2015年 / 62卷
基金：
美国国家科学基金会;
关键词：
Corrosion detection; Fiber optic; Nondestructive; Ultrasonics; CONCRETE; STEEL;
D O I：
10.1016/j.measurement.2014.11.004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ultrasonic technologies have been widely used in nondestructive and noninvasive testing applications in industry. In this paper, a study on novel nondestructive corrosion detection mechanism with fiber optic photoacoustic ultrasound generator is conducted. The presented corrosion detection mechanism features compact device size (ideal for embedded optical fiber applications), non-contact approach, stable performance, and high spatial resolution. The principle of ultrasonic corrosion detection is introduced in the first section. The experimental procedure for simulation and acceleration of the sample corrosion by using the electrochemical process is also presented. Three steel reinforced rebar samples were prepared with different corrosion rates. The rebar samples were characterized to demonstrate that our mechanism is an effective tool in detecting the corrosion level of steel rebar samples. Published by Elsevier Ltd.
引用
收藏
页码：74 / 80
页数：7
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