• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>ISIJ international >Co-modification and Crystalline-control of Ti-bearing Blast Furnace Slags
【24h】

Co-modification and Crystalline-control of Ti-bearing Blast Furnace Slags

机译：含钛高炉渣的共改性和结晶控制

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

摘要

The present paper investigated how the SiO_(2) and B_(2)O_(3) additions influenced the crystallization behaviors of Ti-bearing blast furnace (Ti-BF) slags with a purpose of recycling the titanium. Ti-BF slags were co-modified by different SiO_(2) and B_(2)O_(3) contents. Isothermal experiments were carried out using a Single Hot Thermocouple Technique (SHTT) to in-situ determine the crystal formation, and accordingly Time Temperature Transformation (TTT) curves were established. The results showed that the small amount of B_(2)O_(3) addition can efficiently promote the transformation of primary crystalline phase from perovskite to rutile, whereas the precipitation of perovskite was suppressed. The kinetics of precipitation of the crystalline phase was explored and the results indicated that the growth of rod shape rutile was 1-D with the rate-controlling step of interfacial reaction; whereas the precipitated perovskite presented a 3-D growth style. With the increase of holding time, the nucleation rate of the formed crystals including rutile and perovskite became smaller.
机译：本文研究了SiO_（2）和B_（2）O_（3）的添加量如何影响含钛高炉渣（Ti-BF）的结晶行为，目的是回收钛。 Ti-BF炉渣通过不同的SiO_（2）和B_（2）O_（3）含量进行共改性。使用单热热电偶技术（SHTT）进行等温实验以原位确定晶体形成，并因此建立了时间温度转变（TTT）曲线。结果表明，少量的B_（2）O_（3）加入可以有效地促进初生晶相从钙钛矿转变为金红石，而钙钛矿的沉淀得到抑制。研究了结晶相的析出动力学，结果表明，随着界面反应速率的控制，棒状金红石的生长为1-D。而沉淀的钙钛矿呈现3-D生长方式。随着保持时间的增加，包括金红石和钙钛矿的形成晶体的成核速率变小。

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