Effect of strontium on microstructure and properties of aluminium based extrusion alloy 6061
作者:
ParayF.,
KulunkB.,
GruzleskiJ.,
期刊:
Materials Science and Technology
(Taylor Available online 1996)
卷期:
Volume 12,
issue 4
页码: 315-322
ISSN:0267-0836
年代: 1996
DOI:10.1179/mst.1996.12.4.315
出版商: Taylor&Francis
数据来源: Taylor
摘要:
AbstractThe modifying effect of strontium on the intermetallic phases found in 6061 alloy was investigated in a commercial product. Qualitative and quantitative approaches were used to assess the microstructure. It was shown that strontium altered the platelikeβ-AlFeSi phase (Al5FeSi) to the Chinese scriptα-AlFeSi compound (Al8Fe2Si). The influence of the strontium on both the T4 and T6 heat treatments was examined. The use of strontium in 6061 homogenisation allowed reductions in the homogenization time of the alloy as it promoted the formation of the more desirableα-AlFeSi phase in the as cast condition and had no negative effect on the mechanical properties of the end products.MST/3176
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