Ugo Mariani earned his degree in aeronautical engineering from Politecnico di Milano and joined Agusta (now Leonardo) in 1988. As head of the Fatigue Department for more than 20 years, he advanced helicopter fatigue methodology from safe life to flaw tolerance and fracture mechanics. He retired from Leonardo in 2025.
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Power Transmission Engineering is THE magazine of mechanical components. PTE is written for engineers and maintenance pros who specify, purchase and use gears, gear drives, bearings, motors, couplings, clutches, lubrication, seals and all other types of mechanical power transmission and motion control components.
