Performance Improvement in Aluminum Alloy Treated by Salt Flux with Different Fluorides
Source abstract
Abstract
The optimum fluoride component in the salt flux used to purify aluminum alloy was determined in the present work. The interfacial tension between aluminum alloy and salt flux with different fluoride salt additions at 740 °C was measured to evaluate the performance improvement in the aluminum alloy. The results showed that the interfacial tension between aluminum alloy and salt flux decreased with the addition of KF, NaF, Na3AlF6, MgF2 and AlF3. The interfacial tension between alumina and salt flux increased with the addition of KF and NaF, while decreased with the addition of Na3AlF6, MgF2 and AlF3. It was found that the salt flux with KF can significantly affect the interfacial tension between aluminum and salt flux to achieve excellent purification of molten aluminum. The A356 aluminum alloy treated by 0.5 wt.% salt flux with 5 wt.% KF contained less gas and inclusions and exhibited excellent mechanical properties with the tensile strength of 276 MPa, yield strength of 136 MPa and elongation rate of 9%.
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Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Aluminum Alloys Composites Properties · Bauxite Residue and Utilization
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (46)
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