Effects of the SIMA Process on the Microstructure of 6061 Al Alloy Refined by Al-5Ti-1B

R. Khorshidi; Masoud Emamy; M. Amuei

doi:10.4028/www.scientific.net/KEM.553.87

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Improvement of the Adhesive Wear Resistance and Mechanical Properties of Low-Carbon Steel by Solid Carbonization
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Effects of the SIMA Process on the Microstructure of 6061 Al Alloy Refined by Al-5Ti-1B
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 553Effects of the SIMA Process on the Microstructure...

Effects of the SIMA Process on the Microstructure of 6061 Al Alloy Refined by Al-5Ti-1B

Abstract:

In current research the effect of the strain-induced melt activation (SIMA) process on the microstructure of 6061 Al alloy has been investigated. The optimum amount of Ti for proper grain refining was found to be 0.03 wt.% in the alloy. In SIMA process, after hydraulic pressing, recrystallization and partial melting (RAP) were employed to obtain a fine globular microstructure. Certain amount of strain (40%), heat treatment time (30 min) and temperatures (605-645^°C) were employed to find an optimized fine globular microstructure of the alloy. A microstructural study which was carried out by optical microscopy, exhibited the uniform equiaxed recrystallized grain structure.

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Periodical:

Key Engineering Materials (Volume 553)

Pages:

87-92

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.553.87

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Online since:

June 2013

Authors:

R. Khorshidi, Masoud Emamy, M. Amuei

Keywords:

AA6061 Aluminum Alloy, Grain Refinement, Semi Solid Forming, SIMA Process

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