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Effects of Purification Fluxes Containing Boride on AZ91 Alloy

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Abstract:

Purification fluxes JDMR-1 containing B2O3 and JDMR-2 containing Na2B4O7 were developed for magnesium alloy. Density, viscosity and melting points of the two fluxes were measured. In the magnesium alloy iron concentration decreased from 0.024% to 0.004% and 0.001%, and average volume fraction of nonmetallic inclusions from 2.06% to 0.86% and 0.23% after JDMR-1 and JDMR-2 processing, respectively. Corrosion resistance and tensile properties of the magnesium alloy were greatly improved. Iron reduction mechanism was studied thermodynamically.

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Periodical:

Materials Science Forum (Volumes 488-489)

Pages:

25-30

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.488-489.25

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Online since:

July 2005

Authors:

Hong Tao Gao, Guo Hua Wu, Yu Fan, Wen Jiang Ding, Yan Ping Zhu

Keywords:

AZ91 Alloy, Corrosion Resistance, Fluxes, Iron Reduction, Tensile Properties

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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