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Pitting corrosion resistance of a novel duplex alloy steel in alkali-activated slag extract in the presence of chloride ionsJin-jie Shi,Jing Ming,Xin LiuJiangsu Key Laboratory of Construction... and a novel duplex alloy steel with Cr and Mo) were exposed to chloride-contaminated extract solutions(ordinary Portland cement(OPC) extract and alkali-activated slag(AAS) extract) to investigate......
),体积膨胀,进一步阻碍渣的渗透,使得形成的渗透层较薄.不像含碳耐火材料,碳氧化为气体,反应通道将继续留下. 关键词:MgO-Si_3N_4复合材料; 抗渣性; 显微结构; 钢包; MgO/Si_3N_4 composite; slag resistance; microstructure; steel ladle; [全文内容正在添加中] ......
低碳易切削钢LF炉精炼渣控制工艺余国松1,2,成国光1(1.北京市北京科技大学 冶金与生态工程学院2.浙江省杭州市杭州钢铁集团公司技术中心)摘 要:与还原渣相比,易切削钢LF精炼渣具有控氧,低脱硫率,低脱磷率的冶金功能特点.该类渣中须保持一定比例的FeO,MnO,低碱度,渣量适当并能充分吸附钢中A12O3,硅酸盐夹杂物.合适的精炼渣成分(质量分数,%)为:CaO 30~40,Al2O3 10~25,FeO 2~6,MnO 10~25,SiO2 10~20,MgO 4~8.该精炼渣的平均脱硫率为11.7%,平均L......
渣罐运输车在我国钢铁企业的应用及其结构特点 梁明武1,王荣辉1 (1.安阳钢铁公司,河南安阳市 455000) 摘要:介绍了渣罐运输车在我国钢铁企业的应用现状及其结构特点,指出框架式渣罐运输车具有结构简单,操作方便,安全性好等优点,在选择车型时可优先考虑. 关键词:钢厂; 渣罐运输车; 结构特点; Steel mill; Slag pot carrier; Structural characteristic; [全文内容正在添加中] ......
Lin-nan, TU Gan-feng, SUI Zhi-tong. Effect of oxidization on enrichment behavior of TiO2 in titanium bearing slag [J]. Rare Metals, 2006, 25(2): 106-110. (in Chinese) [12] ERUKHIMOVTTCH V, BARAM J... Kinetics of non-isothermal precipitation process of perovskite phase in oxidized Ti-bearing blast furnace slag WANG Ming-yu(王明玉)1, HE Yue-hui(贺跃辉)2, WANG Xue-wen(王学文)1, LOU Tai-ping(娄太平)3, SUI......
in the range of 20wt%-25wt% has high activity of Ca O(aCa O), with no deterioration of CS compared with conventional desulfurization slag. The measured LS between high-strength low-alloyed(HSLA) steel and slag with a basicity of about 3.5 and an Al2O3 content of about 20wt% and between HSLA steel and slag with a basicity of about 5.0 and an Al2O3 content of about 25wt% is 350 and 275, respectively......
BOF-LF-RH-CC流程生产38CrMoAl钢关键技术研究赵克文1,2,何生平3,曾建华2,王谦2,王新华-1(1.北京市北京科技大学 冶金与生态工程学院2.四川省攀枝花市攀枝花钢铁集团公司3.重庆大学 材料科学与工程学院,重庆 400044)摘 要:38CrMoAl钢由于钢中[Al]含量极高(w([Al])为0.7%~1.1%),在连铸过程中容易导致水口的堵塞,同时在传统的高SiO2熔渣条件下,钢渣反应将导致钢水成分和熔渣性能发生较大的变化,恶化钢的洁净度.从热力学方面分析了高铝钢钢渣反应特性,得到了适合......
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Chromium accumulation, microorganism population and enzyme activities in soils around chromium-containing slag heap of steel alloy factory HUANG Shun-hong(黄顺红), PENG Bing(彭 兵... soil concentrations of this potentially harmful element principally result from industrial wastes or spills, especially chromium-containing slag. Ore refining, production of steel and alloys, pigment......
Leaching of magnesium from desiliconization slag of nickel laterite ores by carbonation process MU Wen-ning(牟文宁)1, ZHAI Yu-chun(翟玉春)2, LIU Yan (刘 岩)2 1. Department of Materials Science... 2009; accepted 30 December 2009 ____________________________________________________________________________________________ Abstract: The leaching of magnesium from desiliconization slag of nickel......
