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Dependence of carbon concentration and alloying elements on the stability of iron carbides

Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, ISSN: 0021-1575, Vol: 106, Issue: 6, Page: 352-361
2020
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  • 13
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    1
    • Citation Indexes
      1
  • Captures
    13

Article Description

The precipitation of iron carbides is a crucial factor that determines the properties of tempered martensite. However, the effect of alloying elements on the carbon concentration of ε carbide has not yet been clarified. In this work, we studied the effect of alloying elements on the carbon concentration of ε carbide using first-principles calculations and a three-dimensional atom probe. The first-principles calculations showed that ε carbide with a lower carbon concentration tends to form by the inclusion of Si. The carbon concentration in ε carbide measured by the three-dimensional atom probe was consistent with the first-principles calculations.

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