Enhanced mechanical properties of dual phase steel by simple thermomechanical processing route
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES12_260
تاریخ نمایه سازی: 11 اردیبهشت 1398
Abstract:
The effect of the cold rolling and intercritical annealing upon the tensile properties of dual phase(DP) steel was evaluated. It was shown that fine-grained DP steel with chain-network martensitemorphology can be readily obtained by carefully controlled intercritical annealing of cold deformedmartensitic microstructure. As result, DP300/600 steel with low yield ratio, high tensile strength,and good ductility was obtained. Continued intercritical annealing beyond the optimum value resultedin the grain growth of ferrite and fading of the chain-network martensite morphology, which werefound to be responsible for the deterioration of the tensile properties.
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Authors
Mahsa Nouroozi
M.Sc Student- School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran, Iran
Hamed Mirzadeh
Associate Professor in Material Engineering- School of Metallurgy and Materials Engineering, College of Engineering, University ofTehran, Tehran, Iran
Mehran Zamani
M.Sc Student- School of Metallurgy and Materials Engineering, College of Engineering, University ofTehran, Tehran, Iran