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Maritime transport plays a crucial role in the global economy, ensuring the transport of around 80% of world trade. However, shipping is responsible for a significant portion of greenhouse gas emissions, accounting for approximately 2.5% of total global emissions. In this context, the efficiency of fuel consumption in ships using the renewable energy sources can bring significant benefits for the environment and contributes to the achievement of the objectives of reducing greenhouse gas emissions. The opportunity ...

This study of an alloyed steel with Cr, Mo which has an important content of aluminum (0.9,пїЅ1.2)%, unconventional treated in magnetic field, is attractive because of the increasing of the durability and the wear resistance along with the improvement of the corrosion resistance. Thermo-magnetic treatments applied before the thermo-chemical treatment has consequences such as the improvement of the mechanical properties of this material. The micro-hardness of the superficial layers has been increased after the unco...