continuous casting of incoloy800h superalloy billet under an alternating electromagnetic field

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ID: 233024
2015
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Abstract
We experimentally investigate the influence of an alternating electromagnetic field on the surface and internal qualities of Incoloy800H superalloy billets. The electromagnetic continuous casting experiments for Incoloy800H superalloy were successfully conducted and the billets (0.1 m × 0.1 m × 1.2 m) were obtained. We figure out that the high frequency (20.4 kHz) electromagnetic field which is applied in the mould region can improve the surface quality of Incoloy800H superalloy billet remarkably; the depth of oscillation mark decreases from 1.2 mm (without electromagnetic field) to 0.3 mm (with electromagnetic field). The internal quality of the billet was studied using a variety of characterization techniques. The low frequency (5 Hz) electromagnetic field which is applied in the second cooling region can improve the internal quality; the region of the equiaxed grain increases from 2.45% (without electromagnetic field) to 41.45% (with electromagnetic field). Furthermore, macro- and micro-segregation are suppressed and the TiN inclusion number is decreased as well.
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wang2015metalscontinuous Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Fei Wang;Lintao Zhang;Anyuan Deng;Xiujie Xu;Engang Wang
Journal seminars in cancer biology
Year 2015
DOI
10.3390/met6010002
URL
http://www.mdpi.com/2075-4701/6/1/2
Keywords
continuous casting segregation metallurgy

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