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  • 论文(5)

Effect of Tempering Temperature on Microstructure and Properties of E690 Offshore Plate Steel

ZHANG Jie , CAI Qing-wu , WU Hui-bin , ZHANG Kun , WU Bo

钢铁研究学报(英文版)

A new kind of Mn-Mo-Nb-Cu-B bainite steel which satisfied mechanical demands of E690 offshore plate steel was designed. The effect of two processes——thermomechanical control process (TMCP)+tempering (T) and thermomechanical control process (TMCP)+reheating and quenching (RQ)+tempering (T)——on micros...

关键词: offshore plate , low carbon bainitic steel , tempering , toughness , EBSD

Effect of Nb to Austenite Recrystallization in High Temperature Deformation Processing

JIAO Duo-tian , CAI Qing-wu , WU Hui-bin , et al

钢铁研究学报(英文版)

By analysing the stepped test pieces with optical microscope, the influence of the Technological parameters including rolling temperature and reduction amount on the Austenitic recrystallization fraction of Nb content of 0.08% steel deformed in high temperature processing was studied, and the deform...

关键词: Austenicic Recrystallization;Technological Parameter;high content Nb

Effect of Heat Treatment Process on Properties of 1000 MPa Ultra-High Strength Steel

YU Wei , QIAN Ya-jun , WU Hui-bin , YANG Yue-hui

钢铁研究学报(英文版)

Two types of steel, C-Mn-Cr-Mo-B microalloyed steel and C-Mn-Mo-Nb-Cu-B microalloyed steel, are designed to develop 1000 MPa ultra-high strength steel. Two kinds of processes, thermomechanical controlled process (TMCP) combined with traditional off-line quenching and tempering (QT) process versus co...

关键词: Heat treatment, High strength steel, Microtructures, Mechanical properties

Effect of Heating Rate Before Tempering on Reversed Austenite in Fe-9Ni-C Alloy

ZHANG Kun , TANG Di , WU Hui-bin

钢铁研究学报(英文版)

The alloy was reheated to 580 ℃ for tempering at rates of 2, 5, 10, 20, and 40 ℃/s, respectively, after quenching. The amount, distribution, and stability of reversed austenite were investigated by X-ray diffraction (XRD) and electron back scatter diffraction (EBSD). The microstructure and cryogenic...

关键词: 9Ni steel , heating rate , reversed austenite , cryogenic toughness

High Temperature Deformation Behavior of Fe-9Ni-C Alloy

ZHANG Kun , WU Hui-bin , TANG Di

钢铁研究学报(英文版)

The high temperature deformation behavior of the 9Ni steel has been studied by the Gleeble-3500 tester. The relationship between deformation resistance and deformation degree, deformation temperature and deformation rate was revealed. The results show that when the deformation degree is less than 0...

关键词: 9Ni steel , high temperature deformation resistance , mathematical model