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Strenght, fracture and fatigue properties of base materials and weld joint of inflow piping to water turbine (PART I - Weld plate to plate)
Dlouhý, Ivo ; Kruml, Tomáš ; Čupera, Pavel ; Chlup, Zdeněk ; Šiška, Filip
Sets of strength, strain, fracture toughness and fatigue properties are summarised in the report characterising the base material, heat affected zones and weld joint material of steel used in water turbine system. Data obtained from 30 mm sheet materials and its weld joint are given. Tests have been carried out in agreement with recent standards and loading curves for finite element calculations have been also supplied. Crack resistance curves have been also generated by unloading technique at 0 and +20°C. Tests of compact tensions in transition regions enabling to determine reference temperature have been carried out. There are also data from fatigue tests, namely cyclic response and fatigue life curves, for the same materials.

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