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International Journal of Engineering، جلد ۳۵، شماره ۳، صفحات ۵۶۷-۵۷۱
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Investigation of Microstructure and Mechanical Properties of Newly Developed Advanced High Strength TRIP Steel |
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| چکیده انگلیسی مقاله |
In this research, the heat treatment and production of high-strength advanced TRIP1100 steel were investigated and then the mechanical properties of the welds of this steel were evaluated by spot welding. For this purpose, the effect of rolling process and heat treatment of alloy steel sheets to achieve the ultra-high strength TRIP1100 steel microstructure was discussed. Microstructural examinations by Scanning Electron Microscopy (SEM) identified ferrite with bainite phases and martensite in matrix. The microstructural characteristics were examined using SEM microscopy with Electron Backscatter Diffraction (EBSD) analysis. The EBSD results showed that the type and orientation of the grains changed and the fraction of high-angle to low-angle boundaries in the present steel varied due to the presence of different phases. The EBSD results showed the acceptable rate of primary austenite in the structure according to the phaseology of this method. Having desirable mechanical properties was one of the most important results of this study, which at the same time maintained impact resistance and mechanical strength. |
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| کلیدواژه‌های انگلیسی مقاله |
TRIP1100 steel,Mechanical properties,Microstructure,EBSD,Fracture behavior |
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| نویسندگان مقاله |
A. Abbasian |
Department of Materials and Metallurgical Engineering, Technical and Vocational University (TVU), Tehran, Iran
A. Ravangard |
Department of Mechanical Engineering, Technical and Vocational University (TVU), Tehran, Iran
I. Hajian Nia |
Department of Materials and Metallurgical Engineering, Technical and Vocational University (TVU), Tehran, Iran
S. Mirzamohammadi |
Department of Materials and Metallurgical Engineering, Technical and Vocational University (TVU), Tehran, Iran
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| نشانی اینترنتی |
https://www.ije.ir/article_142224_6c6a20586c631e0816c369cefaa5dd0b.pdf |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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