Methods for defect detection in aviation engine parts made of composite materials
The key priority in improving the technical and economic performance of gas turbine engines lays in the use of new composite materials. The use of composites in the components of critical load-carrying structures operating under static and dynamic loads during long service lives determines the need...
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National Aerospace University «Kharkiv Aviation Institute»
2021
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oai:doaj.org-article:12885faf160741d6ba04d34f96e05b472021-11-09T07:53:09ZMethods for defect detection in aviation engine parts made of composite materials1727-73372663-221710.32620/aktt.2021.4sup1.14https://doaj.org/article/12885faf160741d6ba04d34f96e05b472021-08-01T00:00:00Zhttp://nti.khai.edu/ojs/index.php/aktt/article/view/1459https://doaj.org/toc/1727-7337https://doaj.org/toc/2663-2217The key priority in improving the technical and economic performance of gas turbine engines lays in the use of new composite materials. The use of composites in the components of critical load-carrying structures operating under static and dynamic loads during long service lives determines the need to predict the component lives. Also, in order to increase the safety of engine operation and improve the parts manufacturing process, timely defect detection in such structures is of great importance. This article is devoted to the detection of the composite parts defects and damages that occur at different stages of manufacturing and operation. The aim is to investigate the existing methods of non-destructive testing of composite materials, describe their functional concept, and determine the field of their application. The article considers acoustic, thermal, optical, and radiation testing methods. Among the acoustic methods, the phased array method is selected as the most informative and multipurpose. The acoustic emission method is also selected; it will allow real-time monitoring of defect growth during testing. Out of thermal methods, the vibrothermography method was selected as the most advanced among the thermographic sub-methods. It allows using the phenomenon of local defect resonance and thus ensures effective defect detection. Shearography is selected for investigation out of optical methods. The special aspects of the use of X-ray methods are considered through the example of X-ray computed tomography. It is concluded that the approach combining several methods can significantly increase the efficiency of defect detecting and help to assess their criticality. Active thermal testing is well suited for fast scanning of large-sized parts and searching for areas of defect accumulation. In the following, local methods, such as impedance, vibrothermography, or one of the ultrasonic, should be used. To measure deformations under static load, it is a good practice to use shearography. To identify progressive defects under static load, it makes sense to use the acoustic emission method.Володимир Олександрович ПальчиковськийАндрій Володимирович МорозовЮрій Іванович ТорбаNational Aerospace University «Kharkiv Aviation Institute»articleнеруйнівний контроль композиційних матеріалівлокальний метод вільних коливаньлокальний метод вимушених коливаньімпедансний методфазовані решіткиакустична емісіяактивний тепловий контрольвібро-термографіяшерографіякомп'ютерна томографіяMotor vehicles. Aeronautics. AstronauticsTL1-4050ENRUUKАвіаційно-космічна техніка та технологія, Vol 0, Iss 4sup1, Pp 102-109 (2021) |
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EN RU UK |
| topic |
неруйнівний контроль композиційних матеріалів локальний метод вільних коливань локальний метод вимушених коливань імпедансний метод фазовані решітки акустична емісія активний тепловий контроль вібро-термографія шерографія комп'ютерна томографія Motor vehicles. Aeronautics. Astronautics TL1-4050 |
| spellingShingle |
неруйнівний контроль композиційних матеріалів локальний метод вільних коливань локальний метод вимушених коливань імпедансний метод фазовані решітки акустична емісія активний тепловий контроль вібро-термографія шерографія комп'ютерна томографія Motor vehicles. Aeronautics. Astronautics TL1-4050 Володимир Олександрович Пальчиковський Андрій Володимирович Морозов Юрій Іванович Торба Methods for defect detection in aviation engine parts made of composite materials |
| description |
The key priority in improving the technical and economic performance of gas turbine engines lays in the use of new composite materials. The use of composites in the components of critical load-carrying structures operating under static and dynamic loads during long service lives determines the need to predict the component lives. Also, in order to increase the safety of engine operation and improve the parts manufacturing process, timely defect detection in such structures is of great importance. This article is devoted to the detection of the composite parts defects and damages that occur at different stages of manufacturing and operation. The aim is to investigate the existing methods of non-destructive testing of composite materials, describe their functional concept, and determine the field of their application. The article considers acoustic, thermal, optical, and radiation testing methods. Among the acoustic methods, the phased array method is selected as the most informative and multipurpose. The acoustic emission method is also selected; it will allow real-time monitoring of defect growth during testing. Out of thermal methods, the vibrothermography method was selected as the most advanced among the thermographic sub-methods. It allows using the phenomenon of local defect resonance and thus ensures effective defect detection. Shearography is selected for investigation out of optical methods. The special aspects of the use of X-ray methods are considered through the example of X-ray computed tomography. It is concluded that the approach combining several methods can significantly increase the efficiency of defect detecting and help to assess their criticality. Active thermal testing is well suited for fast scanning of large-sized parts and searching for areas of defect accumulation. In the following, local methods, such as impedance, vibrothermography, or one of the ultrasonic, should be used. To measure deformations under static load, it is a good practice to use shearography. To identify progressive defects under static load, it makes sense to use the acoustic emission method. |
| format |
article |
| author |
Володимир Олександрович Пальчиковський Андрій Володимирович Морозов Юрій Іванович Торба |
| author_facet |
Володимир Олександрович Пальчиковський Андрій Володимирович Морозов Юрій Іванович Торба |
| author_sort |
Володимир Олександрович Пальчиковський |
| title |
Methods for defect detection in aviation engine parts made of composite materials |
| title_short |
Methods for defect detection in aviation engine parts made of composite materials |
| title_full |
Methods for defect detection in aviation engine parts made of composite materials |
| title_fullStr |
Methods for defect detection in aviation engine parts made of composite materials |
| title_full_unstemmed |
Methods for defect detection in aviation engine parts made of composite materials |
| title_sort |
methods for defect detection in aviation engine parts made of composite materials |
| publisher |
National Aerospace University «Kharkiv Aviation Institute» |
| publishDate |
2021 |
| url |
https://doaj.org/article/12885faf160741d6ba04d34f96e05b47 |
| work_keys_str_mv |
AT volodimiroleksandrovičpalʹčikovsʹkij methodsfordefectdetectioninaviationenginepartsmadeofcompositematerials AT andríjvolodimirovičmorozov methodsfordefectdetectioninaviationenginepartsmadeofcompositematerials AT ûríjívanovičtorba methodsfordefectdetectioninaviationenginepartsmadeofcompositematerials |
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