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首页> 外文会议>41th Annual Conference of Metallurgists of CIM International Symposium on New Technology Implementation Metallurgical Processes Aug 11-14, 2002 Montreal, Quebec, Canada >Recent improvement on basic graphite-containing castables For steelmaking ladles
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Recent improvement on basic graphite-containing castables For steelmaking ladles

机译：炼钢钢包中基本含石墨浇铸料的最新改进

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摘要

Carbon source and antioxidant play decisive roles in developing carbon-containing castables. To tackle the problem caused by flake graphite, such as high water demand, modified flake graphite pellets by extrusion (EG) have been developed. EG pellets in castables effectively improved flowability, mechanical property, pore size distribution, oxidation resistance and thermal shock parameter. A further increase in oxidation resistance of the EG pellets and so of the castables, has been achieved, by incorporating antioxidants and filler oxides. The results show that the new generation of the (EG-A.O.)_(MS) pellets has smaller pore size and higher oxidation resistance, and leads to improved properties of magnesia-silica cement-free castables.
机译：碳源和抗氧化剂在开发含碳浇注料中起决定性作用。为了解决由片状石墨引起的问题，例如高需水量，已经开发了通过挤出（EG）改性的片状石墨颗粒。浇铸料中的EG颗粒有效地改善了流动性，机械性能，孔径分布，抗氧化性和热冲击参数。通过掺入抗氧化剂和填料氧化物，进一步提高了EG粒料和可浇铸料的抗氧化性。结果表明，新一代（EG-A.O。）_（MS）颗粒具有较小的孔径和较高的抗氧化性，并改善了无氧化镁-二氧化硅水泥浇铸料的性能。

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