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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.4
- 수록면
- 114 - 119 (6page)
- DOI
- 10.7779/JKSNT.2018.38.2.114
이용수
초록· 키워드
오류제보하기
In this study, the uniformity of the topcoat of a thermal barrier coating (TBC) was investigated using pulsed infrared thermography. Two plasma-sprayed TBC samples on different substrate materials, with non-uniform topcoats varying from 0.1 mm to 0.6 ㎜ were considered. A short high-energy light pulse was applied to the surface of the samples, and an infrared camera was used to record surface temperature evolution during the entire thermal transient period. The relationship between the measured temperatures and their spatial distributions in the non-uniform topcoat was studied, and it was observed that temperatures in the thinner topcoat region were lower than those in the thicker topcoat region. Furthermore, the recorded thermal image sequences were processed using Fourier transforms to obtain phase angle images, and the phase angle distribution was examined as a function of the non-uniform topcoat. It was found that phase angle decreased with topcoat thickness. Our results showed that variations in temperature and phase angle were significantly correlated with non-uniformity in our investigation of TBC topcoat uniformity.
목차
Abstract
1. Introduction
2. Pulsed Thermography
3. Materials and Methods
4. Results and Discussions
4. Conclusions
References
참고문헌 (33)
참고문헌 신청
[학술지(정기간행물)] - N. P. Padture / 2002 / Thermal barrier coatings for gas-turbine engine applications / Science 296 (5566) : 280 ~ 284
[학술지(정기간행물)] - D. R. Clarke / 2012 / Thermal-barrier coatings for more efficient gas-turbine engines / MRS Bulletin 37 (10) : 891 ~ 898
[학술지(정기간행물)] - C. Dong / 2013 / Analysis of several test methods about heat insulation capabilities of ceramic thermal barrier coatings / Physics Procedia 50 : 248 ~ 252
[학술지(정기간행물)] - B. Roge / 2003 / Nondestructive measurement of porosity in thermal barrier coatings / Journal of Thermal Spray Technology 12 (4) : 530 ~ 535
[학술지(정기간행물)] - D. R. Clarke / 2005 / Thermal barrier coating materials / Materials Today 8 (6) : 22 ~ 29
[학술지(정기간행물)] - D. R. Clarke / 2012 / Thermal-barrier coatings for more efficient gas-turbine engines / MRS Bulletin 37 (10) : 891 ~ 898
[학술지(정기간행물)] - C. Dong / 2013 / Analysis of several test methods about heat insulation capabilities of ceramic thermal barrier coatings / Physics Procedia 50 : 248 ~ 252
[학술지(정기간행물)] - B. Roge / 2003 / Nondestructive measurement of porosity in thermal barrier coatings / Journal of Thermal Spray Technology 12 (4) : 530 ~ 535
[학술지(정기간행물)] - D. R. Clarke / 2005 / Thermal barrier coating materials / Materials Today 8 (6) : 22 ~ 29
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