Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat excitation was studied. The principle the infrared thermal wave testing technology under linear frequency modulation was presented. The effects of different li...
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VINCA Institute of Nuclear Sciences
2019-01-01
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| Series: | Thermal Science |
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| Online Access: | http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361900230L.pdf |
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doaj-88f2a15e8ec44d65a2df664dac848db32021-01-02T09:18:52ZengVINCA Institute of Nuclear SciencesThermal Science0354-98362019-01-01233 Part A1607161310.2298/TSCI180901230L0354-98361900230LThermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitationLiu Yuanlin0Zhao Guojin1Du Yongzhi2Zhang Yang3School of Mechanical Engineering, Heilongjiang University of Science and Technology, Harbin, ChinaSchool of Mechanical Engineering, Heilongjiang University of Science and Technology, Harbin, ChinaSchool of Mechanical Engineering, Heilongjiang University of Science and Technology, Harbin, ChinaSchool of Mechanical Engineering, Heilongjiang University of Science and Technology, Harbin, ChinaThermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat excitation was studied. The principle the infrared thermal wave testing technology under linear frequency modulation was presented. The effects of different light source power and Chirp modulation frequency on signal-to-noise ratio were compared and analyzed. The results show that, defects can be more easily detected with the bigger power of light source, and the signal-to-noise ratio can be increased by using lower initial and termination frequencies.http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361900230L.pdfinfrared thermal wavethermal barrier coatingdebonding defectslinear frequency modulation heat excitation |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Liu Yuanlin Zhao Guojin Du Yongzhi Zhang Yang |
| spellingShingle |
Liu Yuanlin Zhao Guojin Du Yongzhi Zhang Yang Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation Thermal Science infrared thermal wave thermal barrier coating debonding defects linear frequency modulation heat excitation |
| author_facet |
Liu Yuanlin Zhao Guojin Du Yongzhi Zhang Yang |
| author_sort |
Liu Yuanlin |
| title |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| title_short |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| title_full |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| title_fullStr |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| title_full_unstemmed |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| title_sort |
thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat exitation |
| publisher |
VINCA Institute of Nuclear Sciences |
| series |
Thermal Science |
| issn |
0354-9836 |
| publishDate |
2019-01-01 |
| description |
Thermal barrier coating debonding defects detection based on infrared thermal wave testing technology under linear frequency modulation heat excitation was studied. The principle the infrared thermal wave testing technology under linear frequency modulation was presented. The effects of different light source power and Chirp modulation frequency on signal-to-noise ratio were compared and analyzed. The results show that, defects can be more easily detected with the bigger power of light source, and the signal-to-noise ratio can be increased by using lower initial and termination frequencies. |
| topic |
infrared thermal wave thermal barrier coating debonding defects linear frequency modulation heat excitation |
| url |
http://www.doiserbia.nb.rs/img/doi/0354-9836/2019/0354-98361900230L.pdf |
| work_keys_str_mv |
AT liuyuanlin thermalbarriercoatingdebondingdefectsdetectionbasedoninfraredthermalwavetestingtechnologyunderlinearfrequencymodulationheatexitation AT zhaoguojin thermalbarriercoatingdebondingdefectsdetectionbasedoninfraredthermalwavetestingtechnologyunderlinearfrequencymodulationheatexitation AT duyongzhi thermalbarriercoatingdebondingdefectsdetectionbasedoninfraredthermalwavetestingtechnologyunderlinearfrequencymodulationheatexitation AT zhangyang thermalbarriercoatingdebondingdefectsdetectionbasedoninfraredthermalwavetestingtechnologyunderlinearfrequencymodulationheatexitation |
| _version_ |
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