材料期刊网，材料期刊，材料类期刊，材料期刊投稿

论文(3)
图书()
专利()
新闻()

原词结果 | 译词结果

MgO添加方式对改善球团矿冶金性能的影响

周明顺，沈峰满，翟立委，刘杰，张辉

为改善球团矿的冶金性能，进行了含MgO球团矿的冶金性能试验研究，分析了不同MgO添加方式造球工艺的效果。结果表明，在合理的MgO添加方式下，对含MgO球团矿，氧化镁含量由0.6%提高到1.8%后，球团矿RDI+3.15由62.2%增加到约75%，还原度RI由34%增加到45%～53%（900℃还原1h），还原膨胀指数RSI（还原度40%）由23%降低到约20%，且软熔温度明显提高，冶金性能改善。认为提高氧化镁含量的方式应当是菱镁石或含MgO精矿粉，避免添加白云石。

关键词: MgO , fluxed pellet , metallurgical property , pellet

转炉炉渣中MgO含量的控制实践

李伟东，孙群，王成青，于守巍

通过对炉渣中MgO饱和度的计算及MgO含量对溅渣护炉和脱磷的影响分析，得出炉渣中MgO含量过高是造成脱磷能力降低的主要原因。采取降低炉渣中全铁含量、优化配镁方案、改进加料模式等措施，降低了炉渣的饱和度和过饱和度，满足了溅渣护炉对炉渣中MgO含量的要求的前提下提高了低磷钢的一次做成率。

关键词: MgO , saturation , TFe content , material addition mode

Effect of MgO Critical Particle Size on Properties of MgO-C Continuous Temperature-Measuring Sensor for Liquid Steel

ZHAO Shu-mao , MEI Guo-hui , XIE Zhi

钢铁研究学报(英文版)

MgO-C continuous temperature-measuring sensors for liquid steel were made of fused magnesia with different critical particle sizes from 05 to 20 mm, thus the effects what magnesia′s particle size affect sensors′ properties and lifetime were studied. The result shows that the MgO-C continuous temperature-measuring sensor has good aggression resistance to basic tundish powders and meets the requirement for response time of temperature measuring practice in tundish. The sensor′s service life, which is affected by multi-properties of material and operating environment, reached its maximum when the critical particle size of magnesia was 10 mm. The average lifetime of sensors was 43 or 40 h when served for casting SPHC or Q195 steel.

关键词: MgO , carbon , microstructure , sensors , lifetime , particle size

出版年份

刊物分类

相关作者

相关热词