Effect of copper on boride layer of boronized ductile cast irons |
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| Authors: | U Sen S SenF Yilmaz |
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| Affiliation: | a Department of Metal Education, Technical Education Faculty, Sakarya University, 54187 Sakarya, Turkeyb Department of Materials and Metallurgy, Engineering Faculty, Sakarya University, 54187 Sakarya, Turkey |
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| Abstract: | GGG-50, GGG-60 and GGG-80 ductile cast irons containing 0.01, 0.3 and 0.98 wt% copper, respectively, were boronized in a salt bath and then analyzed using optical microscopy, scanning electron microscopy and X-ray diffraction analysis. Increasing copper concentration in ductile cast irons resulted in formation of mono-phase boride layer (Fe2B), decreased Si-ferrite zone and hindered the growth discontinuous graphite between boride layer and matrix. |
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| Keywords: | Boronizing Ductile cast irons Copper Ferrite Graphite |
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