• Volume 31 Issue S1
    Aug.  2021
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    WANG Chun-lei, LI Jing-she, ZHAO He-ming, CHEN Yong-feng. Influence factors on solid-solution of carbonitride of niobium in steel[J]. Chinese Journal of Engineering, 2009, 31(S1): 194-198. doi: 10.13374/j.issn1001-053x.2009.s1.001
    Citation: WANG Chun-lei, LI Jing-she, ZHAO He-ming, CHEN Yong-feng. Influence factors on solid-solution of carbonitride of niobium in steel[J]. Chinese Journal of Engineering, 2009, 31(S1): 194-198. doi: 10.13374/j.issn1001-053x.2009.s1.001

    Influence factors on solid-solution of carbonitride of niobium in steel

    doi: 10.13374/j.issn1001-053x.2009.s1.001
    • Received Date: 2009-06-30
      Available Online: 2021-08-09
    • Effect of precipitation and solid-solution on slab's quality and product's mechanical properties is very important. Based on studying effect of carbon content, nitride content, niobium content and temperature on solid-solution of carbonitride, the following laws were obtained. Firstly, solid-solution temperature will rise when content of carbon, nitride and niobium increases. Secondly, effective activity of NbN goes upwards with increases of content of nitride, and amount of solid-solution of niobium reduces. Quantity of NbN rises with increase of content of niobium from 800℃ to 1 100℃. The same laws can also be used for effect of carbon content. Niobium ratio between solid-solution amount and total content rises with increase of temperature, the ratio value lies from 30% to 70%.

       

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