发明授权
US06450036B1 Method and device for diagnosing deterioration of an article having at least a covering layer organic polymer material
有权
用于诊断至少具有覆盖层有机聚合物材料的制品的劣化的方法和装置
- 专利标题： Method and device for diagnosing deterioration of an article having at least a covering layer organic polymer material
- 专利标题（中）： 用于诊断至少具有覆盖层有机聚合物材料的制品的劣化的方法和装置
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申请号： US09554787申请日： 2000-12-11
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公开(公告)号： US06450036B1公开(公告)日： 2002-09-17
- 发明人: Tetsuya Ashida , Tsuyoshi Ikeda , Junichiro Ikehara , Masanori Fujii , Hiroshi Ishibashi , Yoshiro Habuka , Minoru Okamoto , Eiji Onuma , Hiroshi Kato
- 申请人： Tetsuya Ashida , Tsuyoshi Ikeda , Junichiro Ikehara , Masanori Fujii , Hiroshi Ishibashi , Yoshiro Habuka , Minoru Okamoto , Eiji Onuma , Hiroshi Kato
- 优先权： JP9-320863 19971121; JP10-143852 19980526; JP10-154915 19980603; JP10-154929 19980603; JP10-160344 19980609
- 主分类号： G01N2904
- IPC分类号： G01N2904
摘要：
The invention is directed to a method and apparatus for diagnosing deterioration of an article having at least a covering layer made from an organic polymer material. The method comprises (i) forming a data group for deterioration diagnosis comprising deterioration diagnostic characteristic values and corresponding ultrasonic wave propagation characteristic values for samples having different material specifications, (ii) propagating an ultrasonic wave through the covering layer of the article to measure an ultrasonic wave propagation characteristic of the covering layer, and (iii) determining a corresponding deterioration diagnostic characteristic from the data group for the ultrasonic wave propagation characteristic of the covering layer. The apparatus comprises (i) an ultrasonic wave propagation measuring device comprising an ultrasonic wave transmitting means, an ultrasonic wave receiving means, a delay chip, and a propagation time measuring means, (ii) a storage unit containing a data group for deterioration diagnosis, and (iii) a central processing unit.