IMPROVEMENT OF DETECTION OF DEFECTS OF CONCRETE IN THE INFRARED PULSE PHASE THERMOGRAPHY

被引：0

作者：

Koyama, Masashi ^{[1
]}

Kitamura, Haruki ^{[2
]}

Ishikawa, Masashi ^{[3
]}

Hatta, Hiroshi ^{[4
]}

Ogasawara, Nagahisa ^{[5
]}

Kogo, Yasuo ^{[2
]}

机构：

[1] Meisei Univ, Program Mech Engn, 2-1-1 Hodokubo, Hinoshi, Tokyo, Japan

[2] Tokyo Univ Sci, Dept Mat Sci & Technol, Katsushika Ku, Tokyo 1258585, Japan

[3] Tokushima Univ, Inst Technol & Sci, Tokushima 7708506, Japan

[4] Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Dept Space Flight Syst, Sagamihara, Kanagawa, Japan

[5] Natl Def Acad, Dept Mech Engn, Yokosuka, Kanagawa, Japan

来源：

20TH INTERNATIONAL CONFERENCE ON COMPOSITE MATERIALS | 2015年

关键词：

Pulse phase thermography; Non-destructive testing; Concrete structure;

D O I：

暂无

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Pulse phase thermography (PPT) is one of the infrared thermography techniques which has some advantages over the conventional pulse thermography (PT): The PPT can detect deeper defects than the PT, and reduces effect of non-uniform heating. In this study, in order to further improve the defect detectability of the PPT, we tried to reduce noises appears on temperature and phase data using various image filters. We obtained higher-quality temperature images by minimizing the noise using a moving average filter, and showed that deeper defects was detectable in phase images by reducing the temperature noises. In addition, we tried to detect defect in the concrete structures using PPT with the heating by lamp. As a result, it was suggested that it is possible to detect a concrete internal defects in the heating using the developed halogen lamp.

引用

页数：9

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