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The Status quo and future development of Baosteel CC Technology

Baosteel Technical Research 2007年第1期1卷 6-13页

作者： Zhe Wang Li Zhang Yuan Fang Baosteel Research Institue Baoshan Iron ＆ Steel Co. Ltd. Shanghai 201900 China

The status quo and future development trend of Baosteel continuous casting （CC） technology is introduced. Since its commissioning over ten years ago, Baosteel＇ s CC process has made great progress. The construction of Baosteel CC research and development base is also introduced. Two aspects of the future CC technology development in Baosteel are stressed. One is to follow the advanced CC technology and solve problems in real production, making full use of pilot plants, while the other is to integrate the present CC technology and make technical breakthroughs in engineering proiects.

关键词： continuous casting （CC） thin slab casting and rolling strip casting technological progress

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The key technologies of controlling low carbon steel as-cast strip surface quality

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Baosteel Technical Research 2010年第S1期4卷 91-页

作者： FANG Yuan,CUI Jian,YU Yan,WU Jianchun and WANG Chenquan Baoshan Iron & Steel Co.,Ltd.,Shanghai 201900,China

This article is try to explain or analyze the key technologies of controlling the surface quality of low carbon steel as cast strip through investigation of interface heat transfer between solidified shell and liquid steel.The one of the key technologies of controlling surface quality of low carbon steel as cast strip is through the casting roll surface texture in order to achieve the homogeneous solidification on the casting roll.Another is through forming a thin film on the casting roll surface in order to achieve a balance between rapid solidification and homogeneous solidification.This film formed between the twin roll and the molten steel can be controlled by adjusting the chemical composition and inclusion in liquid steel through controlling the amount of all[O]and free[O].

关键词： strip casting surface quality interface heat transfer near rapid solidification

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Evolution of Hydrogen Storage Alloys Prepared by Special Methods

Evolution of Hydrogen Storage Alloys Prepared by Special Met...

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2004国际稀土研究与应用研讨会（包头）

作者：郭宏张习敏经海李成栋徐骏 National Engineering and Technology Research Center for Non-Ferrous Metals Composites General Research Institute for Non-Ferrous Metals Beijing 100088 China National Engineering and Technology Research Center for Non-Ferrous Metals Composites General Research Institute for Non-Ferrous Metals Beijing 100088 China National Engineering and Technology Research Center for Non-Ferrous Metals Composites General Research Institute for Non-Ferrous Metals Beijing 100088 China National Engineering and Technology Research Center for Non-Ferrous Metals Composites General Research Institute for Non-Ferrous Metals Beijing 100088 China National Engineering and Technology Research Center for Non-Ferrous Metals Composites General Research Institute for Non-Ferrous Metals Beijing 100088 China

＜正＞ Microstructure characteristics and electrochemical properties of hydrogen storage alloys prepared by gas atom ization, melt spinning and strip casting respectively were outlined. The advantages, disadvantages and research development of the above methods for preparing hydrogen storage alloys were explained. The strip casting is a new special means for preparing AB5 rare earth hydrogen storage alloys of high performance and low cost, and the study of the strip casting for preparing hydrogen storage alloys is presented specially.

关键词： hydrogen storage alloys gas atomization melt spinning strip casting rare earths

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Millipede forming-a new metal forming approach

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Baosteel Technical Research 2010年第S1期4卷 39-页

作者： Peter D HODGSON John L DUNCAN Institute for Technology Research and Innovation(ITRI) Deakin University GeelongVic3217Australia

Millipede Forming is a novel metal forming method that has been proposed and developed recently.It can be applied to overcome fundamental limitations in conventional roll forming,and,in addition,used for incremental forging and integrated into a strip casting or extrusion process for downstream thickness reduction. In this new method,there are two main principles:①the use of an optimal transitional surface or space linking of the incoming material to the outgoing product,and②implementation of a method to feed the material through the forming device so that it conforms with this ideal space and the required deformation is imposed on it by the tooling. The system described here is called "Millipede forming" because deformation is accomplished in a large number of small steps.A prototype has been built to demonstrate the working principle applied to the replacement of a roll forming process;it can be used to produce simple profiles within a forming length an order of magnitude shorter than the conventional process. In this paper,the working principle of "Millipede forming" is introduced and some fundamental research on forming a channel section and a circular tube is discussed.Following the success of the small scale prototype, research on a full scale pilot machine has been proceeding.It is expected that this process can be developed and extended as a useful alternative to conventional roll forming,incremental forging and within a strip casting or other novel strip material(e.***.nanostructured metals) system.

关键词： millipede forming roll forming incremental forging strip casting redundant deformation transitional surface ideal deformation space

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