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Ar-H2O-H2气氛下Fe-C-Mn薄带脱碳试验研究

孟凡峻 艾立群 洪陆阔 周玉青 周美洁 刘新亮

孟凡峻, 艾立群, 洪陆阔, 周玉青, 周美洁, 刘新亮. Ar-H2O-H2气氛下Fe-C-Mn薄带脱碳试验研究[J]. 钢铁钒钛, 2021, 42(5): 132-137. doi: 10.7513/j.issn.1004-7638.2021.05.021
引用本文: 孟凡峻, 艾立群, 洪陆阔, 周玉青, 周美洁, 刘新亮. Ar-H2O-H2气氛下Fe-C-Mn薄带脱碳试验研究[J]. 钢铁钒钛, 2021, 42(5): 132-137. doi: 10.7513/j.issn.1004-7638.2021.05.021
Meng Fanjun, Ai Liqun, Hong Lukuo, Zhou Yuqing, Zhou Meijie, Liu Xinliang. Experimental study on decarbonization of Fe -C-Mn thin strips in Ar-H2O-H2 atmosphere[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(5): 132-137. doi: 10.7513/j.issn.1004-7638.2021.05.021
Citation: Meng Fanjun, Ai Liqun, Hong Lukuo, Zhou Yuqing, Zhou Meijie, Liu Xinliang. Experimental study on decarbonization of Fe -C-Mn thin strips in Ar-H2O-H2 atmosphere[J]. IRON STEEL VANADIUM TITANIUM, 2021, 42(5): 132-137. doi: 10.7513/j.issn.1004-7638.2021.05.021

Ar-H2O-H2气氛下Fe-C-Mn薄带脱碳试验研究

doi: 10.7513/j.issn.1004-7638.2021.05.021
基金项目: 河北省自然科学基金(E2019209160);河北省研究生创新资助项目(CXZZBS2020131,CXZZBS2021100)
详细信息
    作者简介:

    孟凡峻(1996—),男,硕士研究生,研究方向:炼钢新技术,E-mail:1358692268@qq.com;

    通讯作者:

    洪陆阔(1986—),男,博士,研究方向:炼钢新技术与资源综合利用,E-mail:honglk@ncst.edu.cn

  • 中图分类号: TF76

Experimental study on decarbonization of Fe -C-Mn thin strips in Ar-H2O-H2 atmosphere

  • 摘要: 为研究Ar-H2O-H2气氛下含锰铁碳合金薄带不同锰含量、脱碳温度对脱碳效果的影响,以初始碳含量为3.90%,锰含量分别为0、0.30%、0.49 %的1 mm厚的含锰铁碳合金薄带为研究对象,在Ar-H2O-H2的弱氧化性气氛下进行脱碳试验,通过对不同气氛条件下薄带表面进行XRD检测分析,表明脱碳气氛PH2O/PH2不宜超过0.53。分别在1293、1353、1413 K温度下脱碳5、10、20、30 min。结果表明:在一定范围内随合金薄带中锰含量的增加,平均脱碳量增加;脱碳温度的升高显著提高了薄带的平均脱碳量。
  • 图  1  铜模喷铸示意

    Figure  1.  Schematic diagram of spray casting of copper mold

    图  2  气固反应脱碳装置示意

    Figure  2.  Schematic diagram of gas solid reaction decarburization device

    图  3  含锰薄带初始试样XRD谱

    Figure  3.  XRD patterns of initial thin strip containing manganese

    图  4  Fe-C-Mn相图

    Figure  4.  Fe-C-Mn phase diagram

    图  5  不同PH2O/PH2薄带表面状况

    Figure  5.  Surface conditions of strip after decarburization under different PH2O/PH2

    (a)PH2O/PH2=0.42;(b)PH2O/PH2=0.53; (c)PH2O/PH2=0.91;(d)PH2O/PH2=1.76

    图  6  1413 K温度下脱碳后薄带表面XRD分析

    Figure  6.  XRD analysis of strip surface after decarburization at 1413 K

    图  7  不同PH2O/PH2分压比脱碳对比

    Figure  7.  Comparison of decarburization effect of strip after decarburization under different PH2O/PH2 partial pressure ratios

    图  8  不同Mn含量对脱碳的影响

    Figure  8.  Influence of different Mn contents on decarbonization

    图  9  不同脱碳温度碳含量随时间变化

    Figure  9.  The carbon content vs oxidization time under different decarburization temperatures

    图  10  脱碳反应级数的确定

    Figure  10.  Determination of decarbonization reaction series

    图  11  lnk与(1/T)×104的关系

    Figure  11.  Relationship between lnk and (1/T)×104

    表  1  各温度下的(1/T)×104和lnk

    Table  1.   (1/T)×104 and lnk at different temperature

    温度/K(1/T)×104/K−1k/min−1lnk
    12937.730.02312−3.76706
    13537.390.0343−3.37261
    14137.080.06456−2.74016
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-07-19
  • 刊出日期:  2021-10-30

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