Effects of Purification Fluxes Containing Boride on AZ91 Alloy |
| Journal |
Materials Science Forum (Volumes 488 - 489) |
| Volume |
Magnesium – Science, Technology and Applications |
| Edited by |
W.Ke, E.H.Han, Y.F.Han, K.Kainer and A.A.Luo |
| Pages |
25-30 |
| DOI |
10.4028/www.scientific.net/MSF.488-489.25 |
| 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 Property |
| 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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