钢铁钒钛

Control of Mechanical Properties of Hot-dip Galvanized Ti-IF Steel Sheet

Zheng Zhiwang, Chen Jie, Wang Pingli

2006, 27(3): 1-4.

Abstract(81) PDF(1)

Abstract:
The hot dip galvanizing experiment of Ti-IF steel was carried out on a CGL line designed for the production of DQ and lower grade products. The effect of RTH strip temperature and skin-passing on the mi-crostructure, recrystallization texture and mechanical properties were investigated. The results ...

Research on Extracting Ti（C,N） from High-titanium Slag

Li Ciying, Li Yawei, Gao Yunming, Yang Dabing, Li Yuanbing, Nie Jianhua

2006, 27(3): 5-9,20.

Abstract(87) PDF(2)

Abstract:
Based on thermodynamic analysis, titanium carbonitride were prepared by carbothermal reduction from high titanium slag which were compounded by TiO₂-CaO-SiO₂-Al₂O₃-MgO based on the titanium-bearing blast furnace slag of PZH Steel. The products of carbonthermal reduction process in different of atmos...

Development of XCN-Z Mold Powder for Wide Slab Continuous Casting

Du Hengke, Wen Guanghua, Tang Ping

2006, 27(3): 10-13,20.

Abstract(55) PDF(1)

Abstract:
Compared with common slab continuous casting, the wide slab continuous casting is quite different. Based on studying the physical and chemical properties and insulation capacity of mold powders, the optimum physical and chemical indexes of mold powder were determined for medium carbon steel wide sla...

Numerical Analysis on Uneven Deformation Behavior of Hot Strip in Rough Rolling

Guo Taixiong, Long Jinming, Zheng Zhiwang

2006, 27(3): 14-20.

Abstract(61) PDF(1)

Abstract:
According to the characteristic of adjusting width by erect roll at PZH Steel, the uneven deformation rule of slab during erect and horizontal rolling was analyzed by finite element simulation on base of MSC. Marc software. The effect of rolling process conditions on the width and size of head and t...

Diffusion Welding of Titanium Alloy and Stainless Steel With Electroplated Nanometer Ni Interlayer

Huang Wenzhan, Sheng Guangmin, Qin Bin, Yuan Xinjian, Li Cong, Qiu Shaoyu

2006, 27(3): 21-25.

Abstract(75) PDF(3)

Abstract:
The diffusion welding of titanium alloy TA17 and stainless steel 0Cr18Ni9Ti with electroplated nanometer Ni interlayer was investigated. The elements distribution was analyzed by energy dispersion spec-trometry. The results show that the interlayer can prevent the elements interdiffusion of Ti, V, A...

Preparation of Photocatalytic Self-cleaning Ceramic Loaded Nano-TiO₂ Film

Tian Shouwei, Wang Zuohui, Liu Yangsi, Yan Jiazhen, Huang Wanxia

2006, 27(3): 26-30,37.

Abstract(65) PDF(1)

Abstract:
A self-cleaning ceramic loaded nano-TiO₂ was prepared by sol-gel process. The crystal structure and the crystal size of TiO₂ were characterized by XRD. The effect of the precursor's concentration and calcining heat on the ceramic's hydrophilicity and degradation of methyl orange under UV-light were ...

Research on Secondary Cooling Technologies for Continuous Bloom Casting

Chen Yong, Yang Subo, Li Jianquan, Chen Lu:Ying

2006, 27(3): 31-37.

Abstract(58) PDF(2)

Abstract:
The secondary cooling scheme previous employed in continuous bloom caster was of following inadaptabilities for production of rail steel, such as the density of the secondary cooling and water distribution in secondary cooling zones. Therefore, the secondary cooling control scheme suitable for rail ...

Technical Measures for Increasing Lining Life of Refining Ladle

Ao Jinqing, Li Nan, Han Bingqiang, Wang Bo, Wang Huaibin

2006, 27(3): 38-43.

Abstract(57) PDF(1)

Abstract:
The technical measures for increasing the service life of refining ladle lining were presented, and the influence of service conditions on the life during the campaign were investigated. The practical results of two different projects were compared. The project A was that the ladle was lined with Mg...

Study of Removing Tin Techniques for Reflow Conductor Roll

Fu Hanguang, Yan Lifen

2006, 27(3): 44-47,54.

Abstract(78) PDF(1)

Abstract:
Adhering tin is the main cause that reflow conductor roll abates which works in the electroplating tin line （ETL）. Removing the tin by means of chemical method is the important measures prolonging the servicing life of conductor roll. The tin remover whose main compositions are NaOH and KOH and assi...

Influence of Train Velocity on Rail Contact Fatigue Damage and How to Select Rail for High-speed

Deng Jianhui, Liu Qiyue, Wang Feilong, Wu Xiongxian

2006, 27(3): 48-54.

Abstract(94) PDF(3)

Abstract:
The simulation tests of rail contact fatigue damage in varied railways were carried out at a professional test machine. The results show the rail wear decreases meanwhile the contact fatigue damage increases with the train velocity increase when the velocity is below 200 km/h, and both of them decre...

Study on Continuous Cooling Transformation of Vanadium Microalloyed Steel P510L

Yu Wanhua, Zhou Liquan, Han Jingtao, Zhang Zhongping, Liu Yong, She Guangfu

2006, 27(3): 55-59.

Abstract(85) PDF(1)

Abstract:
The CCT diagrams of vanadium microalloyed steel P510L were determined by dilatation method. The microstructures were analyzed by optical microscope. When the cooling rate was below 10℃/s, the mi-crostructures were coarse ferrite and pearlite, with the increase of cooling rate, the uniform fine ferri...

Appraisal of Roll Wear Pattern of CVC Mill

Xu Guang, Liu Xianjun, Xiong Junwei, Zhao Jiarong, Yu Xiaoqing

2006, 27(3): 60-62,68.

Abstract(57) PDF(1)

Abstract:
Large amount of measured data on roll wear of CVC mill in CSP production line were obtained and different roll wear patterns from F1 to F7 were investigated. The working roll wear of F1-F4 and F7 ws symmetric, while that of F5 and F6 wasn't symmetric. The self-keeping parameters and variance charact...

Surface Defects and Control Measures of Stainless Steel Billet

Wang Wenxue, Wang Yu, Chi Jinghao

2006, 27(3): 63-68.

Abstract(78) PDF(1)

Abstract:
The differences of stainless steel and carbon steel were discussed in component, solidification character, performance under high temperature based on the function of [Ni], [Cr], [Ti] in stainless steel. The mechanism of major defects on stainless steel billet was investigated, which included surfac...

2006 Vol. 27, No. 3