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Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole
In this study, the analysis of fatigue fracture of composite plates with an elliptical hole having a longer axis parallel to the direction of the applied force is performed. The plates were made of glass/epoxy preimpregnate consisting of eight individual layers with the fiber configuration of [ +45°...
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Інститут проблем міцності ім. Г.С. Писаренко НАН України
2017
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| Series: | Проблемы прочности |
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irk-123456789-1736852020-12-18T01:26:01Z Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole Kielbasa, B. Balon, P. Swiatoniowski, A. Szostak, J. Научно-технический раздел In this study, the analysis of fatigue fracture of composite plates with an elliptical hole having a longer axis parallel to the direction of the applied force is performed. The plates were made of glass/epoxy preimpregnate consisting of eight individual layers with the fiber configuration of [ +45° / -45° / +45° / -45° ]S. The mechanical properties and material constants were assessed by performing static tensile tests and analytical calculations. The nominal fiber volume in the composite plates was experimentally determined. The test method of infrared passive thermography was implemented as a non-destructive testing, which provided the determination of the temperature distribution throughout the entire fatigue process. The thermograms were obtained and compared to the real-time photographs of the plates. Moreover, the specific results concerning fatigue phenomena and basic composite failure forms, which usually occur during the fatigue process, are discussed in detail. The theoretically predicted three individual fatigue fracture phases were corroborated the original test results. The first-ply failure (FPF) occurred in the local stress concentration area and propagated in the direction of the corners, along the fibers. The failure forms observed in the static and fatigue tests were nearly the same. Moreover, the comparative analysis of the fatigue fracture of laminates with three various types of holes was performed and presented in the graphical and tabular forms. Проанализировано усталостное разрушение композитных пластин с эллиптическим отверстием, более длинная ось которого параллельна направлению приложенной силы. Пластины изготовлены из стеклоэпоксидного препрега, состоящего из восьми отдельных слоев с ориентацией волокон [ +45° / -45° / +45° / -45° ]S Механические свойства и константы мате риала исследовались и определялись по результатам статических испытаний на растяжение и экспериментальных измерений. Экспериментально определен также номинальный объем волокон в композитных пластинах. Метод экспериментального исследования на основе данных пассивной инфракрасной термографии был реализован как неразрушающий метод. Это позволило определять расположение температур при анализе усталостного разрушения. Полученные термограммы сравнивались с фотографиями пластин в реальном времени. Представлена конкретная информация об усталости и основных видах разрушения композита, что обычно имеет место в процессе усталости. В подтверждение теоретических положений при экспериментальном исследовании установлены три стадии усталостного разрушения. Разрушение первого слоя происходило в локальной зоне концентрации напряжений и распространялось вдоль волокон в направлении углов. Виды разрушения, наблюдаемые при статических и усталостных испытаниях, были почти одинаковыми. Приведены данные сравнения усталостного разрушения многослойного материала с тремя различными типами отверстий. 2017 Article Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole / B. Kielbasa,P. Balon, A. Swiatoniowski, J. Szostak // Проблемы прочности. — 2017. — № 4. — С. 19-33. — Бібліогр.: 12 назв. — англ. 0556-171X http://dspace.nbuv.gov.ua/handle/123456789/173685 539.4 en Проблемы прочности Інститут проблем міцності ім. Г.С. Писаренко НАН України |
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Научно-технический раздел Научно-технический раздел |
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Научно-технический раздел Научно-технический раздел Kielbasa, B. Balon, P. Swiatoniowski, A. Szostak, J. Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole Проблемы прочности |
| description |
In this study, the analysis of fatigue fracture of composite plates with an elliptical hole having a longer axis parallel to the direction of the applied force is performed. The plates were made of glass/epoxy preimpregnate consisting of eight individual layers with the fiber configuration of [ +45° / -45° / +45° / -45° ]S. The mechanical properties and material constants were assessed by performing static tensile tests and analytical calculations. The nominal fiber volume in the composite plates was experimentally determined. The test method of infrared passive thermography was implemented as a non-destructive testing, which provided the determination of the temperature distribution throughout the entire fatigue process. The thermograms were obtained and compared to the real-time photographs of the plates. Moreover, the specific results concerning fatigue phenomena and basic composite failure forms, which usually occur during the fatigue process, are discussed in detail. The theoretically predicted three individual fatigue fracture phases were corroborated the original test results. The first-ply failure (FPF) occurred in the local stress concentration area and propagated in the direction of the corners, along the fibers. The failure forms observed in the static and fatigue tests were nearly the same. Moreover, the comparative analysis of the fatigue fracture of laminates with three various types of holes was performed and presented in the graphical and tabular forms. |
| format |
Article |
| author |
Kielbasa, B. Balon, P. Swiatoniowski, A. Szostak, J. |
| author_facet |
Kielbasa, B. Balon, P. Swiatoniowski, A. Szostak, J. |
| author_sort |
Kielbasa, B. |
| title |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole |
| title_short |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole |
| title_full |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole |
| title_fullStr |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole |
| title_full_unstemmed |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole |
| title_sort |
fatigue fracture analysis of composite plates with an elliptical hole |
| publisher |
Інститут проблем міцності ім. Г.С. Писаренко НАН України |
| publishDate |
2017 |
| topic_facet |
Научно-технический раздел |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/173685 |
| citation_txt |
Fatigue Fracture Analysis of Composite Plates with an Elliptical Hole / B. Kielbasa,P. Balon, A. Swiatoniowski, J. Szostak // Проблемы прочности. — 2017. — № 4. — С. 19-33. — Бібліогр.: 12 назв. — англ. |
| series |
Проблемы прочности |
| work_keys_str_mv |
AT kielbasab fatiguefractureanalysisofcompositeplateswithanellipticalhole AT balonp fatiguefractureanalysisofcompositeplateswithanellipticalhole AT swiatoniowskia fatiguefractureanalysisofcompositeplateswithanellipticalhole AT szostakj fatiguefractureanalysisofcompositeplateswithanellipticalhole |
| first_indexed |
2023-10-18T22:34:41Z |
| last_indexed |
2023-10-18T22:34:41Z |
| _version_ |
1796155882503929856 |