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Content available Mechanical Property Comparison of Al11Si Wheels Grain Refined by Ti, Nb and MTS
Aydogan F., Dizdar Kerem Can, Sahin Hayati, Mentese E., Dispinar Derya
Archives of Foundry Engineering
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2022
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Vol. 22, iss. 4
14--18
EN
In this work, 25 wheels were cast with three different grain refiners: Al5Ti1B, Al3Nb1B and MTS 1582. Samples were machined from the wheels to check the mechanical properties. It was found that Nb grain refinement had the lowest grain size (260 mm) and highest tensile properties (yield strength of 119-124 MPa and ultimate tensile strength of 190-209 MPa). Al5Ti1B and MTS 1582 revealed quite similar results (110 MPa yield and 198 MPa ultimate tensile strength). The fading of the grain refining effect of Al5TiB1 master alloy was observed in both Nb and Ti added castings whereas during the investigated time interval, the fading was not observed when MTS 1582 was used.
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