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Wettability of TiN by Liquid Iron and Steel

机译：液态钢铁对TiN的润湿性

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摘要

The wettability of liquid iron and steel in contact with TiN substrates was studied. Initially, Spark Plasma Sintering (SPS) was used to prepare the samples using different operational conditions. It was found that a relative density of 96% and surface roughness values smaller than 250 nm could be obtained by using the following settings: a 1 873 K temperature, a 89.2 MPa pressure and a 5 min sintering time. Thereafter, the wettability of the liquid iron and steel in contact with the TiN substrates was measured based on video recordings, at the moment when the metals started to melt. The results show that the contact angle value for a TiN/pure Fe system (130 to 87.9 degrees for 900 s) is larger than the value for a TiN/steel system (110 to 50 degrees for 981 s). Therefore, it is concluded that TiN has good resistance to the corrosion of the liquid iron and steel. In the liquid iron case, its wetting behaviour occurs mainly due to the oxygen increase in liquid iron after a full melting. However, in the liquid steel case the contact angle decreases sharply due to both the effects of an oxygen increase in liquid steel and a precipitation of Ti(N,C,O) at the interface.
机译：研究了液态钢和钢与TiN基材接触的润湿性。最初，使用等离子烧结（SPS）在不同的操作条件下制备样品。发现通过使用以下设置可获得相对密度96％和表面粗糙度值小于250 nm：1 873 K温度，89.2 MPa压力和5分钟烧结时间。此后，在金属开始熔化时，基于视频记录来测量与TiN基底接触的液态钢铁的润湿性。结果表明，TiN /纯铁系统的接触角值（900 s为130至87.9度）大于TiN /钢系统的981 s接触角为110至50度。因此，可以得出结论，TiN具有良好的耐钢水腐蚀性能。在液态铁的情况下，其润湿行为主要是由于完全熔化后液态铁中的氧气增加所致。但是，在液态钢的情况下，由于液态钢中氧增加和界面处Ti（N，C，O）析出的影响，接触角急剧减小。

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  • 来源
    《ISIJ international》 |2015年第8期|1642-1651|共10页
  • 作者

    Changji XUAN; Hiroyuki SHIBATA; Zhe ZHAO; Paer Goeran JOENSSON; Keiji NAKAJIMA;

  • 作者单位

    KTH Royal Institute of Technology, Department of Materials Science and Engineering, Brinellvaegen 23, Stockholm, SE-100 44 Sweden;

    Tohoku University, Institute of Multidisciplinary Research for Advanced Materials, Katahira 2-1-1, Aoba-ku, Sendai, 980-8577 Japan;

    KTH Royal Institute of Technology, Department of Materials Science and Engineering, Brinellvaegen 23, Stockholm, SE-100 44 Sweden;

    KTH Royal Institute of Technology, Department of Materials Science and Engineering, Brinellvaegen 23, Stockholm, SE-100 44 Sweden;

    KTH Royal Institute of Technology, Department of Materials Science and Engineering, Brinellvaegen 23, Stockholm, SE-100 44 Sweden;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    contact angle; TiN; iron; steel; solubility;

    机译：接触角锡;铁;钢;溶解度;

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