Effects of Heat Treatment on Corrosion and Wear Behaviors of Mg-6Gd-2Zn-0.4Zr Alloy in Simulated Body Fluid

Journal Article · Wed Nov 15 04:00:00 EST 2017 · Journal of Materials Engineering and Performance

DOI:https://doi.org/10.1007/S11665-017-2975-1· OSTI ID:22860796

Zhao, Li; Chen, Wei; Dai, Jianwei; Wang, Zhangzhong; Zhang, Xiaobo ^[1]

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1. Nanjing Institute of Technology, School of Materials Science and Engineering (China)

Mg-6Gd-2Zn-0.4Zr (wt.%, GZ62K) alloy was processed by solution treatment under different temperatures. The microstructure, hardness, corrosion and wear behaviors in simulated body fluid (SBF) have been studied. The results indicate that the (Mg, Zn){sub 3}Gd phase decreases, the precipitated phases gradually increase, and the long-period stacking ordered structure disappears with the increase of solution temperature. The alloy has better corrosion resistance after solution treatment, and that solution treated at 490 °C for 12 h shows the best corrosion resistance. The friction coefficient of the alloy under dry sliding condition decreases slightly, but the mass loss increases with increasing the solution temperature. The alloy solution treated at 460 °C for 12 h exhibits the lowest friction coefficient and mass loss in SBF, and it also has the best wear resistance under dry sliding condition.

• OSTI ID: 22860796
• Journal Information: Journal of Materials Engineering and Performance, Journal Name: Journal of Materials Engineering and Performance Journal Issue: 11 Vol. 26; ISSN 1059-9495; ISSN JMEPEG
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BODY FLUIDS
COMPUTERIZED SIMULATION
CORROSION
CORROSION RESISTANCE
FRICTION FACTOR
GADOLINIUM COMPOUNDS
HARDNESS
HEAT TREATMENTS
MAGNESIUM ALLOYS
MAGNESIUM COMPOUNDS
MASS TRANSFER
MICROSTRUCTURE
PRECIPITATION
QUATERNARY ALLOY SYSTEMS
WEAR RESISTANCE
ZINC COMPOUNDS
ZIRCONIUM COMPOUNDS