A new approach to characterizing and modeling the high cycle fatigue properties of cast materials based on self-heating measurements under cyclic loadings
| Autor: | Sylvain Calloch, Jean-Loup Heuzé, Cédric Doudard, Anthony Ezanno |
|---|---|
| Přispěvatelé: | MMA, Laboratoire brestois de mécanique et des systèmes (LBMS), École Nationale d'Ingénieurs de Brest (ENIB)-Université de Brest (UBO)-École Nationale Supérieure de Techniques Avancées Bretagne (ENSTA Bretagne)-École Nationale d'Ingénieurs de Brest (ENIB)-Université de Brest (UBO)-École Nationale Supérieure de Techniques Avancées Bretagne (ENSTA Bretagne) |
| Rok vydání: | 2013 |
| Předmět: |
Materials science
Population 02 engineering and technology Industrial and Manufacturing Engineering Micro-plasticity 0203 mechanical engineering Thermal General Materials Science Casting defects education education.field_of_study business.industry Mechanical Engineering Probabilistic logic Fatigue testing Structural engineering 021001 nanoscience & nanotechnology Cyclic loadings 020303 mechanical engineering & transports Mechanics of Materials Casting (metalworking) Modeling and Simulation Self-heating tests 0210 nano-technology business Self heating |
| Zdroj: | International Journal of Fatigue International Journal of Fatigue, Elsevier, 2013, 47, pp.232-243. ⟨10.1016/j.ijfatigue.2012.09.005⟩ |
| ISSN: | 0142-1123 |
| DOI: | 10.1016/j.ijfatigue.2012.09.005 |
| Popis: | WOS; International audience; The present paper proposes, a new model for high cycle fatigue of metallic cast materials (i.e., containing initial casting micro-flaws). This model is developed in a probabilistic two-scale framework taking into account the presence of a population of initial micro-flaws by an indirect approach. The proposed model not only accounts for the failure of samples under high cycle loadings, but also for the thermal effects during cycling in a unified theoretical framework. Thus, an ad hoc identification procedure, essentially based on self-heating tests under cyclic loadings, is proposed. The performance of the proposed model is estimated by comparing experimental and theoretical results in the case of classical fatigue tests on a cast copper-aluminum alloy. The results are very promising. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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