钢铁钒钛

Study on The Preparation of Nano-TiO₂ by Liquid-phase Hydrolysis

Sun Tianyu, Zhang Shuangquan, Pan Tingting

2009, 30(4): 1-5.

Abstract(66) PDF(1)

Abstract:
Nano-titanium dioxide powder that has good dispersivity and small particle size was prepared by liquid-phase hydrolysis with the materials of titanium tetrachloride and n-octanol.The factors which influence the properties of titanium dioxide were researched by X-ray diffraction and transmission elec...

Study of Preparation of V⁵⁺ Doped Titanium-bearing Blast Furnace Slag and Its Antibacterial Capability

Wang Hui, Xue Xiangxin, Yang He, Li Shuxian

2009, 30(4): 6-10.

Abstract(52) PDF(1)

Abstract:
V⁵⁺ doped titanium-bearing blast furnace slag as a kind of antibacterial materials based on photocatalysis was prepared by high temperature solid-state method.Using escherichiacoli,staphylococcusaureus,albicans candida and bacilluscercus as experimental bacteria,effects of strains and doping amount ...

Effect of TiB₂ Addition on the Tensile Properties of In-situ Synthesized TiB₂/Ferrous Matrix Composites

Cao Hui, Liu Ying, Li Binghong, He Lin, Li Jun, Gao Shengji

2009, 30(4): 11-15.

Abstract(167) PDF(2)

Abstract:
The effect of TiB₂ on the tensile properties of in-situ synthesized TiB₂ /Ferrous matrix composites was investigated by means of X-ray diffraction (XRD), optical microscope (OM), scanning electron microscope (SEM) and materials testing system.The results show that the TiB₂ particles are uniformly di...

Effects of Rolling Process on Microstructures and Properties of the Commercial Pure Titanium

Chen Xiqiang

2009, 30(4): 16-20.

Abstract(69) PDF(2)

Abstract:
The commercial pure titanium slabs were rolled using current rolling device,microstructure and morphology at the head and end of these slabs were studied by optical microscope,and results show that microstructure and morphology of the head are similar to ones of the end,i.e.having a little retained ...

Application of VN Alloy in High-carbon Wire and Rod of WSWRH82B

Shen Jinlong, Tan Zhiguang, Xia Yanhua, Han Bin

2009, 30(4): 21-26.

Abstract(54) PDF(1)

Abstract:
The application of VN alloy in WSWRH82B high-carbon wire and rod is introduced,the effect of VN Microalloying and different cooling processes in lab on microstructure and properties of WSWRH82B is mainly studied;the reasonable content of V and N elements is gotten for 2 000 MPa grade PC steel strand...

Effects of Microalloy Element on Microstructure and Mechanical Properties of 700 MPa Low Carbon Bainitic Steel

Cao Huiquan, Yan Huicheng, Xia Zhenghai, Luo Deng, Li Guangmin, Chou Shengtao

2009, 30(4): 27-31.

Abstract(84) PDF(2)

Abstract:
The microstructure and mechanical properties of low carbon bainitic steels with different Nb and Ti content are investigated by analyzing CCT curves of 700 MPa series low carbon bainitic steel.The result shows that the increment of Ti/Nb improves the tensile and yield strength of bainitic steel.Exce...

Effect of Cold Reduction Ratio on Microstructure Textures and Mechanical Property of IF Steel

Wang Minli, Zheng Zhiwang

2009, 30(4): 32-39.

Abstract(59) PDF(1)

Abstract:
Hot rolled IF steel was used to study the effect of cold reduction ratio on the microstructure textures and mechanical properties of Ti-IF and Ti+Nb-IF steel after batch annealing processes.The results showed that recrystallization of the IF steels was rudimentarily finished after batch annealing,th...

Effects of C,Cu and Mn on Hot Ductility of Oriented Silicon Steels

Dong Tingliang, Yue Erbin, Zhang Chen, Chou Shengtao, Zhao Pei

2009, 30(4): 40-44.

Abstract(80) PDF(1)

Abstract:
High temperature mechanical property of oriented silicon steel with main inhibitor Cu₂S produced by the thin slab casting and rolling was tested, comparing reduction of area and SEM of fracture surface in 600~1 300 ℃ and analyzing effects of C (0.020%~0.044%), Cu (0.18%~0.49%) and Mn (0.06%~0.16%) o...

Research on Surface Cracks of CCSD36 Ship Plate Steel

Wang Shuoming, Liu Qinggang, Li Xiuqing, Gao Ju, Zhang Caijun

2009, 30(4): 45-48.

Abstract(88) PDF(2)

Abstract:
The reason of cracks was studied by analyzing the surface crack of slabs and experimental research in this dissertation.Result shows: surface cracks on CCSD36 steel mainly result from the original slab cracks.It originates in mold and extends in secondary cooling zone and rolling.Oxidation layer alo...

Numerical Modeling Study on a New Type of Swirling Flow SEN for Round Bloom Continuous Casting

Wu Yaoguang, Chen Yuanqing, Chou Shengtao, Zhao Pei

2009, 30(4): 49-54.

Abstract(82) PDF(2)

Abstract:
A new idea that the steel swirling flow in the mold is generated by adjusting the direction of jet from side holes in SEN is brought forwards, based on which a new type of multi-hole swirling flow nozzle, which is easy for machining and with simple structure, is designed.Three dimensions mathematica...

Simulation on Flow Field and Temperature Field of Molten Steel in Bloom Mold with EMS

Chen Yong, Zhu Miaoyong

2009, 30(4): 55-59,71.

Abstract(79) PDF(1)

Abstract:
In order to simulate the flow field and temperature field of molten steel in 360 mm×450 mm bloom continuous casting mold,a 3-D mathematical model was presented.On this basis,the distribution of the flow field and temperature field was analyzed.Numerical simulation results show that the flow directio...

Physical Simulation of Flow Field for Single Strand Tundish in Slab Continuous Casting

An Hanghang, Bao Yanping, Jin Youlin, Li Taiquan

2009, 30(4): 60-66,80.

Abstract(77) PDF(3)

Abstract:
Reasonableness of structure of the tundish of stainless steel slab casting had been studied by water model experiment.To aim at the influencing factors of flow field in tundish and the existing problems respective,flow control device was optimized through orthogonal optimization tests.The results sh...

Effect of Reversing Cold Rolling on Texture and Ferrite Grain Size of Steel Sheet

Guo Taixiong

2009, 30(4): 67-71.

Abstract(55) PDF(1)

Abstract:
A study on effect of reversing cold rolling on texture and ferrite grain size of DX51D(LCAK steel) and DX54D(IF steel) has been done by simulating experiment of reversing and continuous cold rolling and annealing in the laboratory.The results show that the α-rib {115} and {335} texture density of re...

Thermodynamic Analysis of the Fast Dephosphorization Process for the Hard-wire Steel

Yin Qing, Li Zhangrong, Xie Xiang, Zhao Haowen

2009, 30(4): 72-75.

Abstract(59) PDF(1)

Abstract:
Hard-line steel has higher carbon content,lower sulfur and phosphorus content,so its producing process is quite strict.The off-grade steels often occur because its carbon or phosphorus content was out of grade.On the base of thermodynamics and kinetics analysis of dephosphorization,the main factors ...

Practice on the Development and Utilization of Vanadic Titanomagnetite Resources in Panzhihua

Chen Yong

2009, 30(4): 76-80.

Abstract(82) PDF(4)

Abstract:

Surrounding the comprehensive utilization of vanadic titanomagnetite resourses in Panzhihua,the background and course of Pangang's development have been reviewed,and achievements gained by independent innovation in making fully use of the vanadic titanomagnetite resources of Pangang have been summar...

The Strategic Thinking of Forging a World-class Industrial Vanadium-titanium Base in Panxi Area of China

He Wen, Zhao Zehong, He Qing

2009, 30(4): 81-84.

Abstract(66) PDF(3)

Abstract:

The author analyzes the status and comparative advantages of vanadium-titanium industry in Panxi area of China,draws the conclusion that it's necessary and possible to set up a world-level vanadium-titanium industry base there,analyzes further the restrictions and difficulties of the development of ...

2009 Vol. 30, No. 4