An energy-based prognostic framework to predict fatigue damage evolution in composites

Juan Chiachio, Manuel Chiachio Ruano, Abhinav Saxena, Guillermo Rus, Kai Goebel

Research output: Contribution to conferenceProceeding

17 Citations (Scopus)

Abstract

In this work, a prognostics framework to predict the evolution of damage in fiber-reinforced composites materials under fatigue loads is proposed. The assessment of internal damage thresholds is a challenge for fatigue prognostics in composites due to inherent uncertainties, existence of multiple damage modes, and their complex interactions. Our framework, considers predicting the balance of release strain energies from competing damage modes to establish a reference threshold for prognostics. The approach is demonstrated on data collected from a run-to-failure tension-tension fatigue experiment measuring the evolution of fatigue damage in carbon-fiber-reinforced polymer (CFRP) cross-ply laminates. Results are presented for the prediction of expected degradation by micro-cracks for a given panel with the associated uncertainty estimates.

Conference

ConferenceProceedings of the Annual Conference of the Prognostics and Health Management Society 2013
CountryUnited States
CityNew Orleans
Period7/10/13 → …

Fingerprint

Fatigue Damage
Fatigue damage
Damage
Composite
Fatigue of materials
Fatigue
Predict
Composite materials
Energy
Fiber reinforced materials
Strain energy
Uncertainty
Fiber-reinforced Composite
Microcracks
Carbon fibers
Laminates
Carbon Fiber
Strain Energy
Polymers
Composite Materials

Keywords

  • prognostics framework
  • fiber-reinforced composites
  • internal damage thresholds
  • reference threshold for prognostics
  • carbon-fiber-reinforced polymer (CFRP)
  • micro-cracks
  • uncertainty analysis
  • cross-ply laminate

Cite this

Chiachio, J., Chiachio Ruano, M., Saxena, A., Rus, G., & Goebel, K. (2013). An energy-based prognostic framework to predict fatigue damage evolution in composites. 363-371. Proceedings of the Annual Conference of the Prognostics and Health Management Society 2013, New Orleans, United States.
Chiachio, Juan ; Chiachio Ruano, Manuel ; Saxena, Abhinav ; Rus, Guillermo ; Goebel, Kai. / An energy-based prognostic framework to predict fatigue damage evolution in composites. Proceedings of the Annual Conference of the Prognostics and Health Management Society 2013, New Orleans, United States.9 p.
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Chiachio, J, Chiachio Ruano, M, Saxena, A, Rus, G & Goebel, K 2013, 'An energy-based prognostic framework to predict fatigue damage evolution in composites' Proceedings of the Annual Conference of the Prognostics and Health Management Society 2013, New Orleans, United States, 7/10/13, pp. 363-371.

An energy-based prognostic framework to predict fatigue damage evolution in composites. / Chiachio, Juan; Chiachio Ruano, Manuel; Saxena, Abhinav; Rus, Guillermo; Goebel, Kai.

2013. 363-371 Proceedings of the Annual Conference of the Prognostics and Health Management Society 2013, New Orleans, United States.

Research output: Contribution to conferenceProceeding

TY - CONF

T1 - An energy-based prognostic framework to predict fatigue damage evolution in composites

AU - Chiachio, Juan

AU - Chiachio Ruano, Manuel

AU - Saxena, Abhinav

AU - Rus, Guillermo

AU - Goebel, Kai

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N2 - In this work, a prognostics framework to predict the evolution of damage in fiber-reinforced composites materials under fatigue loads is proposed. The assessment of internal damage thresholds is a challenge for fatigue prognostics in composites due to inherent uncertainties, existence of multiple damage modes, and their complex interactions. Our framework, considers predicting the balance of release strain energies from competing damage modes to establish a reference threshold for prognostics. The approach is demonstrated on data collected from a run-to-failure tension-tension fatigue experiment measuring the evolution of fatigue damage in carbon-fiber-reinforced polymer (CFRP) cross-ply laminates. Results are presented for the prediction of expected degradation by micro-cracks for a given panel with the associated uncertainty estimates.

AB - In this work, a prognostics framework to predict the evolution of damage in fiber-reinforced composites materials under fatigue loads is proposed. The assessment of internal damage thresholds is a challenge for fatigue prognostics in composites due to inherent uncertainties, existence of multiple damage modes, and their complex interactions. Our framework, considers predicting the balance of release strain energies from competing damage modes to establish a reference threshold for prognostics. The approach is demonstrated on data collected from a run-to-failure tension-tension fatigue experiment measuring the evolution of fatigue damage in carbon-fiber-reinforced polymer (CFRP) cross-ply laminates. Results are presented for the prediction of expected degradation by micro-cracks for a given panel with the associated uncertainty estimates.

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KW - fiber-reinforced composites

KW - internal damage thresholds

KW - reference threshold for prognostics

KW - carbon-fiber-reinforced polymer (CFRP)

KW - micro-cracks

KW - uncertainty analysis

KW - cross-ply laminate

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Chiachio J, Chiachio Ruano M, Saxena A, Rus G, Goebel K. An energy-based prognostic framework to predict fatigue damage evolution in composites. 2013. Proceedings of the Annual Conference of the Prognostics and Health Management Society 2013, New Orleans, United States.