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含钛铁素体不锈钢连铸浸入式水口结瘤机理研究张贺佳1,陈伟庆1,吴狄峰2,郑宏光3(1.北京市北京科技大学 冶金与生态工程学院2.宝钢研究院不锈钢技术中心,上海 2004313.宝钢研究院不锈钢技术中心,上海 201900)摘 要:采用光学显微镜和扫描电镜,对00Cr18Ti铁素体不锈钢钢样中夹杂物类型和浸入式水口结瘤物的物相进行分析,研究水口结瘤机理.结果表明,钢液中存在大量TiO2夹杂物,并不断附着沉积在水口内壁,造成浸入式水口氧化钛型结瘤;通过控制钢中w[Al]-w[Ti]值在铝钛竞争氧化反应平衡曲线之下,......
Computer recognition of slag property diagrams in ternary systemsJinxiong Lu, Li Wang, Jiongming Zhang, and Xinhua WangMetallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing, 100083, China摘 要:<正> In order to take data information from the slag property diagram in a ternary system automatically......
Reliability estimation and remaining useful lifetime prediction for bearing based on proportional hazard modelWANG Lu(王鹭), ZHANG Li(张利), WANG Xue-zhi(王学芝) (School of Information, Liaoning University, Shenyang 110036, China)Abstract:As the central component of rotating machine, the performance reliability assessment and remaining useful lifetime prediction of bearing are of crucial importance......
室,北京,100083) 摘要:为降低广西某选矿厂铅锌矿尾砂对环境的危害,同时达到固废减量化,资源化的目的,以矿渣,钢渣为主要原料制备胶凝材料(metallurgical slag cementitious material,MSC),并与尾矿砂混合制备膏体充填料协同固化砷.研究结果表明:尾砂中As质量分数为0.11%,As原始浸出质量浓度为0.66 mg/L,经MSC固化后As浸出质量浓度为...; 文献标志码:A 文章编号:1672-7207(2019)07-1544-07 Mechanism for solidification of arsenic with blast furnace slag-steel slag based cementitious materials YAN Qihui1, 2, 3......
SLAG CEMENT REINFORCED BY THE COMBINATION DOPING OF LIMESTONE AND ANHYDRITE杨淑珍,宋汉唐摘 要:<正>The hydration performances of slag cement mixed by limestone and anhydritehave been studied. The phase compositions andmicrostructures of the hydrates were determinedand analysed by XRD and SEM. It is discoveredthat when slag cement is mixed with limestoneand......
Infuence of Mg on Thermoplasticity of High-Temperature Stainless Bearing Steel Cr14Mo4Wei Gong,Cheng Wang,Haidong Wang,Zhouhua JiangSchool of Materials & Metallurgy,Northeastern University摘 要:Through the addition of appropriate amount of Mg(0.01e0.015 wt%) to the stainless bearing steel Cr14Mo4,the high-temperature thermoplasticity of steel......
Axial bearing behavior of super-long piles in deep soft clay over stiff layersZOU Xin-jun(邹新军), ZHAO Ming-hua(赵明华)(College of Civil Engineering, Hunan University, Changsha 410082, China)Abstract:In order to find out the bearing behavior of super-long piles located in deep soft clay over stiff layers around Dongting Lake, China, a test pile was first designed with the field loading test finished......
冷却方式对钢渣中f-CaO显微形貌及含量的影响张玉柱1,雷云波1,李俊国1,邢宏伟1,韩志杰2,龙跃1(1.河北省唐山市河北联合大学冶金与能源学院2.河北钢铁股份有限公司唐山分公司,河北唐山 063016)摘 要:采用扫描电子显微镜和化学分析方法对三种不同方式处理的钢渣中f-CaO的显微形貌及含量进行分析研究,试验结果表明,钢渣中弥散型f-CaO主要形成于C2S和C3S初晶,RO相形成和C3S分解等过程,其数量多,分布广,粒径较小;缓冷渣中氧化钙的典型显微形貌为灰色圆粒状,薄膜状,细小长条状;气淬渣中氧化钙的典......
Ultrahigh cycle fatigue fracture mechanism of high-quality bearing steel obtained through different deoxidation methodsWei Xiao1,Yan-ping Bao1,Chao Gu1,Min Wang1,Yu Liu2,Yong-sheng Huang2,Guang-tao... inclusions in fatigue crack initiation in the very-high cycle fatigue(VHCF) regime was clarified by subjecting bearing steels deoxidized by Al(Al-deoxidized steel) and Si(Si-deoxidized steel) to ultrasonic......
a pressure-leaching slag was investigated using a desulphurization-leaching-hydrolysis process for the recovery of bismuth and antimony.Various parameters were studied,including the amount of acid added......
