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The paper analyzes the frequency and trend of the rainfall amounts of the rainy periods lasting 2, 3 and 4 days, which occurred at 4 weather stations in Maramure? County, in the period 1961-2016. The homogeneity of the daily data set has been analyzed, using the methodology described by Wijngaard et al. (2003), based on Pettitt, Standard normal homogeneity, Buishand and von Neumann tests, at the 99% significance level and for the frequency analysis, HYFRAN software was used. Subsequently, the frequency of the prec...

It is well known that the use of aluminium and its alloys in transports, aeronautics or in the car industry as a vehicle downweighting material, also decreases fuel and energy consumption and lowers greenhouse gas emissions. In our study, an innovative thermomechanical processing technology for obtaining flat ultra-strength aluminium products by subsequent cold rolling after equal channel angular pressing (ECAP) was proposed and experimented. ECAP is an advanced severe plastic deformation (SPD) method for controll...