Effects of Rare Earth Elements on Microstructure and Corrosion Resistance of Low Alloy Steel Based on Ultra-Thin Cast Strip Process
نویسندگان
چکیده
This laboratory study aimed to reveal the inner connects between microstructure and corrosion properties of a RE microalloyed ultra-thin cast strip (UCS) steel. The mainly consisted homogeneous polygonal ferrite (PF) with small amount pearlite (P), while adding multiple alloying elements led appearance granular bainite (GB) bainitic (BF). strongly promoted homogenization refinement by segregating towards solid–liquid interface. Potentiodynamic polarization, EIS, weight loss curves under wet–dry immersion test confirmed that behavior was significantly improved RE, addition had no obvious change on tensile strength. resistance single-phase proved be better than multiphase microstructure. Hence, remarkable influence improving when experimental steels processed microstructures.
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ژورنال
عنوان ژورنال: Metals
سال: 2022
ISSN: ['2075-4701']
DOI: https://doi.org/10.3390/met13010066