Effect of alloyed Ca on the microstructure and corrosion properties of extruded {AZ61} Mg alloy

By Baek, Soo-Min; Kim, Hyeon Ju; Jeong, Hu Young; Sohn, So-Dam; Shin, Hyung-Joon; Choi, Kyung-Jin; Lee, Ki-Suk; Lee, Jung Gu; Yim, Chang Dong; You, Bong Sun; Ha, Heon-Young; Park, Sung Soo
Published in Corrosion Science NULL 2016

Abstract

Abstract Microstructure and corrosion properties of extruded {AZ61} Mg alloys with varying Ca contents were investigated. Microstructure of the extruded {AZ61} alloy consisted of ?-Mg grains and Al8Mn5 particles. Alloying with 0.1-0.5 wt% Ca to the {AZ61} alloy resulted in the additional presence of (Mg,Al)2Ca particles in the extruded microstructure. In 0.6 M NaCl solution at 25

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