Infrared thermographic evaluation of large composite grid parts subjected to axial loading; Polymer Testing; Vol. 41
| Parent link: | Polymer Testing Vol. 41.— 2015.— [P. 55–62] |
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| Prif Awdur: | |
| Awdur Corfforaethol: | |
| Awduron Eraill: | , |
| Crynodeb: | Title screen Many composite parts, such as laminated panels and grid-like shells, operate under high mechanical loading. Evaluation of their structural integrity is crucial to ensure the long-lasting operation of critical components. Since testing a structure under full or "proof" load might be dangerous for personnel, it would be preferable to use a remote, rapid inspection technique. This paper describes a practical application of IR thermography to the inspection of large composite parts used in the aerospace industry. This work has used just one cycle of increasing load from zero load to failure, and this was done for both for tensile and compressive loads. It is shown that, during the formation of micro-defects in polymeric composites, about 40 % of the total dissipated energy is expended for material heating, while about 60 % is related to material damage accompanied by an increase in the defect concentration. Non-uniform composite deformation causes temperature anomalies, whose amplitude may reach 1.5-2.5 °C at a load of about 50-60 % of the limit load. Режим доступа: по договору с организацией-держателем ресурса |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
2015
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| Pynciau: | |
| Mynediad Ar-lein: | http://dx.doi.org/10.1016/j.polymertesting.2014.10.010 |
| Fformat: | Electronig Pennod Llyfr |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650034 |
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| 200 | 1 | |a Infrared thermographic evaluation of large composite grid parts subjected to axial loading |f V. P. Vavilov, O. N. Budadin, A. A. Kulkov | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 62 (21 tit.)] | ||
| 330 | |a Many composite parts, such as laminated panels and grid-like shells, operate under high mechanical loading. Evaluation of their structural integrity is crucial to ensure the long-lasting operation of critical components. Since testing a structure under full or "proof" load might be dangerous for personnel, it would be preferable to use a remote, rapid inspection technique. This paper describes a practical application of IR thermography to the inspection of large composite parts used in the aerospace industry. This work has used just one cycle of increasing load from zero load to failure, and this was done for both for tensile and compressive loads. It is shown that, during the formation of micro-defects in polymeric composites, about 40 % of the total dissipated energy is expended for material heating, while about 60 % is related to material damage accompanied by an increase in the defect concentration. Non-uniform composite deformation causes temperature anomalies, whose amplitude may reach 1.5-2.5 °C at a load of about 50-60 % of the limit load. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Polymer Testing | ||
| 463 | |t Vol. 41 |v [P. 55–62] |d 2015 | ||
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| 610 | 1 | |a инфракрасная термография | |
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| 700 | 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 |3 (RuTPU)RU\TPU\pers\32161 |9 16163 | |
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