A novel force-temperature model for evaluating internal forces in CFRP by means of infrared thermography; NDT and E International; Vol. 143
| Parent link: | NDT and E International.— .— Amsterdam: Elsevier Science Publishing Company Inc. Vol. 143.— 2024.— Article number 103066, 10 p. |
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| Institution som forfatter: | |
| Andre forfattere: | , , , , , |
| Summary: | Title screen Carbon fibre reinforced polymer (CFRP) composites are commonly used in the aerospace industry due to their excellent mechanical properties. The extreme mechanical environments make CFRP to exceed its yield limit, which is associated with composite defects, such as delaminations and cracks. Therefore, it is important to develop a stable, non-contact and highly accurate stress measurement technique. In this work, a novel internal stress measurement technique is proposed being based on the elastic plate theory and thermal stress analysis. By analyzing the temperature distribution on the material external surface, one can evaluate composite mechanical behaviour and internal stresses. To validate the proposed novel method, the theoretical investigations, including numerical simulations and experiments, have been performed, and the experimental results were optoimized by applying the Levenberg-Marquardt. Theoretical and experimental results have been used to predict the force loaded on the sample surface. Furthermore, the effects of coating on the stress inversion problem have also been discussed Текстовый файл AM_Agreement |
| Sprog: | engelsk |
| Udgivet: |
2024
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| Fag: | |
| Online adgang: | https://doi.org/10.1016/j.ndteint.2024.103066 |
| Format: | Electronisk Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672496 |
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| 200 | 1 | |a A novel force-temperature model for evaluating internal forces in CFRP by means of infrared thermography |f Pengfei Zhu, Rongbang Wang, Stefano Sfarra [et al.] | |
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| 330 | |a Carbon fibre reinforced polymer (CFRP) composites are commonly used in the aerospace industry due to their excellent mechanical properties. The extreme mechanical environments make CFRP to exceed its yield limit, which is associated with composite defects, such as delaminations and cracks. Therefore, it is important to develop a stable, non-contact and highly accurate stress measurement technique. In this work, a novel internal stress measurement technique is proposed being based on the elastic plate theory and thermal stress analysis. By analyzing the temperature distribution on the material external surface, one can evaluate composite mechanical behaviour and internal stresses. To validate the proposed novel method, the theoretical investigations, including numerical simulations and experiments, have been performed, and the experimental results were optoimized by applying the Levenberg-Marquardt. Theoretical and experimental results have been used to predict the force loaded on the sample surface. Furthermore, the effects of coating on the stress inversion problem have also been discussed | ||
| 336 | |a Текстовый файл | ||
| 371 | 0 | |a AM_Agreement | |
| 461 | 1 | |t NDT and E International |c Amsterdam |n Elsevier Science Publishing Company Inc. | |
| 463 | 1 | |t Vol. 143 |v Article number 103066, 10 p. |d 2024 | |
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a CFRP | |
| 610 | 1 | |a NDT | |
| 610 | 1 | |a infrared thermography | |
| 610 | 1 | |a internal force | |
| 610 | 1 | |a thermal stress analysis | |
| 701 | 0 | |a Pengfei Zhu | |
| 701 | 0 | |a Rongbang Wang | |
| 701 | 0 | |a Stefano Sfarra | |
| 701 | 1 | |a Vavilov |b V. P. |c Specialist in the field of dosimetry and methodology of nondestructive testing (NDT) |c Doctor of technical sciences (DSc), Professor of Tomsk Polytechnic University (TPU) |f 1949- |g Vladimir Platonovich |9 16163 | |
| 701 | 0 | |a Xavier Maldague | |
| 701 | 0 | |a Hai Zhang | |
| 712 | 0 | 2 | |a National Research Tomsk Polytechnic University |c (2009- ) |9 27197 |
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