Influence of Surface Integrity and Coating on the High Cycle Fatigue Properties of 300M Steel from Self-Heating Tests under Cyclic Loads - Archive ouverte HAL Access content directly
Conference Papers Year : 2022

Influence of Surface Integrity and Coating on the High Cycle Fatigue Properties of 300M Steel from Self-Heating Tests under Cyclic Loads

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Abstract

300M, an ultra-high strength steel used in aeronautics for landing gears, is generally shot-peened and coated with High Velocity Oxygen Fuel sprayed WC-10Co-4Cr to improve tribological behavior. In literature, few treatment parameters have been tested to analyze the surface integrity influence on fatigue properties. The self-heating method under cyclic loading is used to quickly determine fatigue properties by coupling them with intrinsic dissipation. Investigations on dissipation mechanisms of coating and substrate enable to develop self-heating models. That is the first step to build a lifespan forecast model based on temperature measurement to study shot-peening and coating influence on fatigue properties.
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hal-03761317 , version 1 (25-11-2022)

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P. Lepitre, S. Calloch, Cédric Doudard, Matthieu Dhondt, M. Surand. Influence of Surface Integrity and Coating on the High Cycle Fatigue Properties of 300M Steel from Self-Heating Tests under Cyclic Loads. 6th CIRP Conference on Surface Integrity, CSI 2022, Jun 2022, Lyon, France. pp.37-42, ⟨10.1016/j.procir.2022.03.012⟩. ⟨hal-03761317⟩
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