Researches Regarding Heterogeneous Welding between Carbon and Stainless Steel Used in Fabrication of Cylinders' Rod for Magnesium Alloy Extruders

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Abstract:

Magnesium alloys are used more and more in automotive industry due to specific strength (ratio between tensile strength and density) of 158kNm/kg versus 46kNm/kg in case of structural steel [1]. Another advantage of magnesium alloys is machinability, aspect and automated caste/extrusion. With this last procedure is possible to achieve high rate of productivity for complicate pieces, needed in automotive sector. Technologically, a big issue of magnesium alloy is its reactivity in contact with carbon steel, accentuated by high temperature and pressure from extrusion chambers.

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31-40

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November 2025

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.1179/174328408x295962

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