Composition-Dependent Microstructure-Property Relationships of Fe and Al Modified Ti-12Cr (wt.%)
作者： J. Ballor , M. Ikeda , E. J. Kautz , C. J. Boehlert , A. Devaraj
DOI: 10.1007/S11837-019-03467-Y
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摘要: β-Titanium (Ti) alloys have applications in several industries (e.g. aerospace, automotive, and biomedical) where material performance requirements vary widely. To tailor the microstructure mechanical properties of β-Ti for various applications, it is critical to understand influence individual alloying elements. Toward this goal, we investigated effect additions on resultant four model alloys: Ti-12Cr, Ti-12Cr-3Al, Ti-12Cr-1Fe, Ti-12Cr-1Fe-3Al (wt.%). The microstructures these were studied using x-ray diffraction, electron microscopy, atom probe tomography. analyzed via Vickers Rockwell hardness measurements tensile testing. addition 1 wt.% Fe resulted an approximate 5% increase elongation-to-failure (ef), while 3 wt.% Al did not appear significantly affect ef. decreased yield ultimate strengths.
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