• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>Powder Metallurgy World Congress Exhibition >Acid-Insoluble Substances in Reduced Iron Powder from Ores
【24h】

Acid-Insoluble Substances in Reduced Iron Powder from Ores

机译：来自矿石还原铁粉中的酸不溶性物质

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

X-ray analysis on iron ores and reduced iron powders revealed that around 60% acid-insoluble substances were hexagonal and tetragonal quartz, another 40% substances were sillimanite, alumina-silicate, an unnamed zeolite, all contained Si and Al. SEM images displayed that the particle size of them was in the range of 3～7 μm, which may be the initial source of the cracking in the sintered body. Statistics analysis showed that the Acid-Insoluble Content (AIC) for high-grade magnetite powder was (0.130±0.010) % during the latest five months. The predicting value for reduced iron powder from ore powders should be 0.179 %. However, the testing value for reduced iron powder was (0.192±0.014) %. The limited difference of 0.013% might imply rare pollution coming from the reduction and milling processes. The most important step for control AIC should be the separation process of iron ore powders.
机译：铁矿石上的X射线分析和还原的铁粉末显示，大约60％的酸不溶性物质是六边形和四方石英，另外40％的物质是Sillimanite，氧化铝 - 硅酸盐，未命名的沸石，所有含有Si和Al。 SEM图像显示，它们的粒度在3〜7μm的范围内，这可以是烧结体中裂缝的初始来源。统计分析表明，最近五个月的高档磁铁矿粉末的酸不溶性含量（AIC）（0.130±0.010）％。来自矿石粉末还原铁粉的预测值应为0.179％。但是，还原铁粉的测试值（0.192±0.014）％。 0.013％的有限差异可能意味着罕见来自减少和铣削过程的稀有污染。控制AIC最重要的步骤应该是铁矿石粉末的分离过程。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号