Study on precipitation and transition mechanisms from the magnetic properties of silicon steel during annealing

Fan, Yongquan; Yu, Hao; Sun, Jing; Pan, Tao; Song, Chenghao; Zeng, Xun

doi:10.1007/s12613-014-0919-4

Cited by 5 publications

(2 citation statements)

References 18 publications

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“…The volume fraction of precipitates is related to the number and mean diameter of particles [25]. Volume fraction is calculated according to the McCall–Boyd method [26]: where A, N and D are total area of field of view, total number of precipitates, and mean equivalent diameter of precipitates, respectively.…”

Section: Resultsmentioning

confidence: 99%

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Effect of sulphur content on precipitates and properties of DH36 structural steel

Yang

Shi

Wei

et al. 2018

Ironmaking & Steelmaking

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In the current research, the influences of sulphur content on precipitates and properties were investigated through thermodynamic calculation and microstructural analysis. The results show that the precipitates of DH36 structural steel are mainly (Nb, Ti)C and Ti(C,N), the size of which ranged from 7 to 220 nm. Plenty of nanoscale MnS was observed by transmission electron microscopy using carbon film replicas with 0.002% S. This is because the temperatures of maximum nucleation rate and fastest precipitation of MnS are much less than soaking temperature when S content is 0.002%, which is the main reason for the formation of nanoscale MnS. What is more, the pinning effect of nanoscale MnS can also refine the grain size. Consequently, ultra-low content of sulphur can be used to optimise the properties of DH36 structural steel.

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Section: Resultsmentioning

confidence: 99%

“…The volume fraction of precipitates f is related to the number and mean diameter of particles [25]. Volume fraction is calculated according to the McCall-Boyd method [26]:…”

Section: Precipitation Strengtheningmentioning

confidence: 99%