This study investigates the influence of titanium (Ti) and magnesium (Mg) additions on aluminum (Al) alloys in order to evaluate the relationship between the structure and properties of the new alloys. The alloys obtained at elevated temperatures mainly consist of Al–2Mg–1Ti, Al–2Mg–3Ti, Al–4Mg–2Ti, and Al–6Mg–2Ti alloys, as well as α and τ solid solution phases of intermetallic structures. Microstructural analyses were performed using X-ray diffraction (XRD), optical microscope, and energy dispersive spectrometry (EDS) techniques. Test results show that the average grain size of the alloys decreased with the addition of Ti inclusions during the casting and solidification processes, and the smallest grain size was found to be 90 μm for the Al–6Mg–3Ti alloy. In addition, tensile properties of the Al–Mg–Ti alloys were initially improved and then worsened after the addition of higher concentrations of Ti. The highest tensile and hardness values of the alloys were Al–4Mg–2Ti (205 MPa) and Al–6Mg–3Ti (80 BHN). The primary reasons for having higher mechanical properties may be attributed to strengthening of the solid solution and refinement of the grain size and shape during the solidification process. For this study, the optimum concentrations of Ti and Mg added to the Al alloys were 4 and 2 wt.%, respectively. This study may be useful for field researchers to develop new classes of Al alloys for various industrial applications.
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July 2016
Research-Article
Investigating the Relationships Between Structures and Properties of Al Alloys Incorporated With Ti and Mg Inclusions
Ibrahim H. Guzelbey,
Ibrahim H. Guzelbey
Department of Mechanical Engineering,
Gaziantep University,
Gaziantep 27310, Turkey
Gaziantep University,
Gaziantep 27310, Turkey
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Serdar Salman,
Serdar Salman
Department of Metallurgical and
Materials Engineering,
Marmara University,
İstanbul 34722, Turkey
Materials Engineering,
Marmara University,
İstanbul 34722, Turkey
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Razamzan Asmatulu,
Razamzan Asmatulu
Department of Mechanical Engineering,
Wichita State University,
Wichita, KS 67260
Wichita State University,
Wichita, KS 67260
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Mustafa Dere
Mustafa Dere
Technical Sciences,
Gaziantep University,
Gaziantep 27310, Turkey
Gaziantep University,
Gaziantep 27310, Turkey
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Halil Ibrahim Kurt
Ibrahim H. Guzelbey
Department of Mechanical Engineering,
Gaziantep University,
Gaziantep 27310, Turkey
Gaziantep University,
Gaziantep 27310, Turkey
Serdar Salman
Department of Metallurgical and
Materials Engineering,
Marmara University,
İstanbul 34722, Turkey
Materials Engineering,
Marmara University,
İstanbul 34722, Turkey
Razamzan Asmatulu
Department of Mechanical Engineering,
Wichita State University,
Wichita, KS 67260
Wichita State University,
Wichita, KS 67260
Mustafa Dere
Technical Sciences,
Gaziantep University,
Gaziantep 27310, Turkey
Gaziantep University,
Gaziantep 27310, Turkey
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received July 23, 2015; final manuscript received January 11, 2016; published online May 10, 2016. Assoc. Editor: Curt Bronkhorst.
J. Eng. Mater. Technol. Jul 2016, 138(3): 031006 (6 pages)
Published Online: May 10, 2016
Article history
Received:
July 23, 2015
Revised:
January 7, 2016
Citation
Kurt, H. I., Guzelbey, I. H., Salman, S., Asmatulu, R., and Dere, M. (May 10, 2016). "Investigating the Relationships Between Structures and Properties of Al Alloys Incorporated With Ti and Mg Inclusions." ASME. J. Eng. Mater. Technol. July 2016; 138(3): 031006. https://doi.org/10.1115/1.4032849
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