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中国耐火材料（英文版）
中国耐火材料（英文版）

刘解华

季刊

1004-4493

chnr@nhcl.com.cn

0379-64205961

471039

河南洛阳市西苑路43号

中国耐火材料（英文版）/Journal China's Refractories
查看更多>>本刊1992年经国家科委批准创办,由洛阳耐火材料研究院主办,是目前中国耐火材料行业唯一的一本英文杂志,现为季刊。创刊以来己出11卷(包括今年),受到海内外学者、企业家、商人的欢迎。目前与国外二十家杂志建立了交换关系,例如,美国的"陶瓷协会会刊与英国的"耐火材料与陶瓷",德国的"陶瓷论坛",比利时的"硅酸盐",法国的"陶瓷工业",日本的"耐火物"等。并且与几家著名的二次文献检索刊物也建立了密切联系。 目前国内外订户及赠阅数、交换数达1000多本/年,国外订户主要分布在美国、英国、印度、日本、德国、法国、南非、阿根廷以及东南亚和阿拉伯等十几个国家。 本杂志主要反映当前中国耐火材料发展现状。论文内容涉及到原料、工艺、生产及应用方面的新进展,以及设备更新。除研究报告和论文、综述与展望外,还报道了国家公布的一些统计数据,市场信息反迸出口情况等。同时我刊还可刊登广告和厂矿简介。 当时创办该刊的目的主要是让世界了解中国耐火材料,试图在中国耐火材料与世界耐火材料同行之间架起一座信息桥梁。尤其中国已加入世界贸易组织(WTO),我们需要更多地参与国际市场竞争,那么通过《中国耐火材料》的介绍,无疑是一条重要的渠道。 目前为止,由于《中国耐火材料》的介绍或通过《中国耐火材料》的报道,取得与国外商人联系并最终出口耐火材料产品或原料的企业十几家。 众所周知,中国耐火材料通过20多年改革开放,无论在原材料的质量上还是在制成品的质量上都有了长足的进展,有的已接近或超过国外先进水平。由于过去政策封闭,耐火材料行业因与外界联系较少,出口渠道少,出口最也就少。随着我国改革开放政策的深入,与国际同行交流日趋增加,中国耐火材料原料及产品出口也逐年增加,但与中国耐火材料产量相比,远远不够.尤其在国内市场竞争日趋激烈的条件下,寻求出口不乏是重要出路之一。因此需要更多媒体的介入,以便广交国际朋友,扩大出口渠道。
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    How Marie Sklodowska-Curie Doctoral Networks Can Support European Refractory Ecosystem in Context of The European Green Deal

    Marc HUGERGlyn DERRICKMossaab MOUIYAAndrea SALERNO...
    1-9页
    查看更多>>摘要：The movement of the Iron & Steelmaking(I&S)industry towards Net-Zero emissions and digitalized processes through disruptive,breakthrough technologies will be achieved through the use of Hydrogen.The biggest challenge for the refractory industry is to continue to meet the performance expectations while,at the same time,moving to a more sustainable production direction.The complexity and urgency of these technological changes,highlighted by the European Green Deal,requires ambitious,international,interdisciplinary and intersectoral projects,bringing together institutes from across the global value chain,to carry out cutting edge research.The European Union,through its flagship doctoral training program,MSCA,has,and continues to support research and development as well as the promotion of the refractory industry in Europe.An introduction to two MSCA projects and some of the results achieved are highlighted within this article.
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    Application of Thermodynamic Database to Corrosion of ZrO2 Containing Submerged Entry Nozzle in Steel Continuous Casting Process

    In-Ho JUNG
    10-15页
    查看更多>>摘要：The CALPHAD thermodynamic databases are very useful to analyze the complex chemical reactions happening in high temperature material process.The FactSage thermodynamic database can be used to calculate complex phase diagrams and equilibrium phases involving refractories in industrial process.In this study,the FactSage thermodynamic database relevant to ZrO2-based refractories was reviewed and the application of the database to understanding the corrosion of continuous casting nozzle refractories in steelmaking was presented.
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    Novel Brick Technology for Carbon Reduction Footprint in Steel Shop Linings

    Carlos PAGLIOSALeandro ROCHAMarcelo BORGESCelio CAVALCANTE...
    16-21页
    查看更多>>摘要：Clean steel encompasses a multitude of concepts that are based on fulfilling customer requirements and can be produced in many ways depending on the existing equipment and detailed customer demands.A common feature of all clean steel production is tight process control along with continuous monitoring.To meet an increasing demand for cold-rolled(CR)steel sheets of improved mechanical properties,and to cope with the change of the annealing process from a batch-type to a continuous process,it is necessary to establish a technique for making ultralow carbon(ULC)steel with a C-concentration lower than 20 ppm for the steelmaking process associated with a major challenge to guarantee the competitiveness with observance of environmental requirements.Steel ladle lining plays an important role on the energy consumption during the production and the refractory lining design contributes to minimize thermal bath loss,carbon pick up and shell temperature.A new generation of unfired zero carbon refractories was developed with two specific approaches:(1)replacement of firing bricks reducing CO2 footprint and(2)replacement of carbon containing with performance increasing.Bricks can be used in working and safety linings with a unique microstructure with better heat scattering and similar thermomechanical properties.This work presents customers'performance compared to traditional products highlighting energy savings.
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    Investigation of Refractory Bricks and Oxide Materials Heated in Hydrogen Reduction Conditions

    Sangbae CHOIRaehyeong PARKGideok YANGYeonghyeon KIM...
    22-26页
    查看更多>>摘要：This study aims to provide the basic knowledge for furnace refractory design by investigating refractory property changes occurred in a hydrogen atmosphere.Since refractory bricks are thermodynamically stable in a hydrogen atmosphere at 1100 ℃,we tried to find out the minute changes.In this experiment,a refractory brick was prepared by andalusite,mullite chamotte,and clay as raw materials and heated to 1 100 ℃ in a 100％hydrogen atmosphere for 72 h.It was found that the strength of the brick was decreased and the color was changed to black by the reduction of impurities.And in addition,this study covered research on the slaking risk of MgO raw materials because the minimum temperature is expected to 400 ℃ in fluidized reduction furnaces unlike shaft furnaces.
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    Effect of Slag Basicity on Alumina Dissolution and Diffusivity:A High-temperature Confocal Laser Scanning Microscopy Study

    BurhanuddinHarald HARMUTH
    27-34页
    查看更多>>摘要：Alumina is one of the crucial and extensively utilized refractory components.As the refractory wear due to dissolution at elevated temperatures during operation is a major threat to refractory lifespan,quantifying dissolution is important for developing cost-effective and resource-efficient refractories.This study investigated the dissolution of alumina particles in two silicate and one calcium aluminate slags at 1 450,1 500,and 1 550 ℃ using high-temperature confocal laser scanning microscopy(HT-CLSM).Dissolution was quantified in terms of diffusivity,with all influencing factors,including Stefan flow and bath movement,incorporated into the determination process.The trends observed in total dissolution time and diffusivity in three slags at three experimental temperatures could not be explained solely on the basis of slag basicity.Two parameters,considering the influencing factors,were introduced to explain these trends.Furthermore,the linear trend observed in Arrhenius plots of diffusivities supports the diffusivity results.Additionally,good agreement between the diffusivities of alumina in one silicate slag obtained via CLSM and rotating finger test investigations verified the reliability of the results.
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    The Role of the Size Effect on the Drying of Refractory Castables-How Its Under-standing Could Narrow the Gap between Laboratory Studies and Industrial Reality

    M.H.MOREIRAH.PENGS.Dal PONTV.C.PANDOLFELLI...
    35-40页
    查看更多>>摘要：Refractories have unique capabilities such as sustaining their shape and properties at extreme conditions such as the combination of high temperatures and thermal shock,contact with molten metals and slags and in some circumstances resistance to erosion from abrasive particles.Given the large processing output of the heavy industries such as the cement and steel ones which both require high temperature processes,the refractories structures span various meters and weight of several tons.As the water removal stage of hydraulic bonded castables in industrial sites takes hours(10-60 h)due to the risk of explosive spalling,efforts to mitigate it are commonly studied.This has provided theoretical understanding of the general aspects of drying and important tools,such as the thermogravimetry analysis(TGA),for the design of refractory compositions with higher explosive spalling resistance.However,the optimization of this process is still far from the industrial reality especially because the actual linings that require the drying are orders of magnitude larger than the samples considered in the laboratory tests.Therefore,this study proposed the analysis of the sample volume effect on the water removal dynamics through TGA of high alumina castables with calcium aluminate cement.Conventional φ5 cm × 5 cm cylindrical samples were assessed in a laboratory scale equipment whereas macro TGA were carried out considering 20 cm × 20 cm × 20 cm and 30 cm × 30 cm × 30 cm cubic samples.Additionally,the effect of polymeric fibers was also considered.It was found out that the different thermal gradients within the macro TGA samples resulted in an inflection on the sample's heating rate and that the mass loss was affected by the volume considered,especially for the composition without additives.These findings highlight the requirement of carefully taking into consideration the different dimensional sizes and thermal gradients in the samples when analyzing and interpreting the laboratory studies,and especially when trying to extrapolate such results to the industrial reality.
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    Study on Chrome-free Purging Plugs for Steel Ladles

    Yunpeng ZHOUWang FENGShankha CHATTERJEEAndus BUHR...
    41-47页
    查看更多>>摘要：Purging plug refractories in China typically contain around 3 mass％of super-fine chromium oxide in the matrix in order to improve the performance of the purging plugs,primarily,slag corrosion and wear resistance.Alternatives to chromium oxide containing refractories have gained interest due to health concerns related to the formation of soluble chromium compounds over long storage periods of refractory wastes.Super-ground reactive alumina can replace chromium oxide in purging plug refractories and this paper discussed the new reactive alumina E-SY 88 in comparison to chromium oxide in a typical purging plug castable.The mixing behaviour,wet castable properties,as well as cured,dried,and fired properties at different temperatures up to 1 600 ℃ were compared.In addition,the hot modulus of rupture,creep behaviour,thermal shock resistance and slag corrosion resistance were tested.The microstructure after slag corrosion was investigated by SEM.The results prove that E-SY 88 is an economically viable technical alternative to chromium oxide in purging plug refractories.
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    Abstracts Seleceted form Naihuo Cailiao(Refractories)——A Bimonthly in Chinese

    48-50页
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