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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 882 - 890 (9page)
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The mechanical and corrosion behaviors of low carbon DP steel were studied based on different processing routes: (1)intercritical annealing (IA), (2) step quenching (SQ) via austenitization and quick transferring of the sample to the secondfurnace, and (3) Slow SQ via furnace cooling to the desired temperature. The properties were found to be highly dependenton the volume fraction of martensite (VM) and the density of ferrite/martensite interfaces. However, at the same martensitecontent, the mechanical properties of Slow SQ sheet were inferior than those of SQ and IA sheets, which were related to therelatively poor work-hardening behavior due to the severe partitioning of Mn between ferrite and martensite phases. Thelatter was also responsible for an increase in the corrosion current density (icorr) via galvanic corrosion. These results wereanalyzed based on the polarization curves and Nyquist plots obtained from the electrochemical impedance spectroscopytest. This study revealed that the SQ route can result in both better mechanical performance and higher corrosion resistance.
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참고문헌 (48)
참고문헌 신청
B. Gao / 2019 / A high-strength heterogeneous structural dualphase steel / J. Mater. Sci 54:12898~12910
T. Dutta / 2019 / Designing dual-phase steels with improved performance using ANN and GA in tandem / Comput. Mater. Sci 157:6~16
Jae Ik Yoon / 2019 / Relationships Between Stretch-Flangeability and Microstructure-Mechanical Properties in Ultra-High-Strength Dual-Phase Steels / Metals and Materials International 25(5):1161~1169
Omid Majidi / 2016 / Thermal Effects on the Enhanced Ductility in Non-Monotonic Uniaxial Tension of DP780 Steel Sheet / Metals and Materials International 22(6):968~973
S. Sodjit / 2012 / Microstructure based prediction of strain hardening behavior of dual phase steels / Mater. Des 41:370~379
T. Dutta / 2019 / Designing dual-phase steels with improved performance using ANN and GA in tandem / Comput. Mater. Sci 157:6~16
Jae Ik Yoon / 2019 / Relationships Between Stretch-Flangeability and Microstructure-Mechanical Properties in Ultra-High-Strength Dual-Phase Steels / Metals and Materials International 25(5):1161~1169
Omid Majidi / 2016 / Thermal Effects on the Enhanced Ductility in Non-Monotonic Uniaxial Tension of DP780 Steel Sheet / Metals and Materials International 22(6):968~973
S. Sodjit / 2012 / Microstructure based prediction of strain hardening behavior of dual phase steels / Mater. Des 41:370~379
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