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Effect of Ultrasonic Treatment Time on Inclusions in High Carbon Steel

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Abstract:

Effect of ultrasonic treatment time on inclusions in high carbon steel with the addition of pure rare earth Ce was investigated. The results showed that ultrasonic treatment could disperse, refine and remove inclusions in molten high carbon steel with rare earth. With the increase of ultrasonic treatment time, total oxygen content of high carbon steel and average diameter of inclusions decreased evidently, inclusions in high carbon steel could be removed in a certain degree, but the number of the inclusions increased significantly. Total oxygen content (mass fraction) of high carbon steel, equivalent number I and average diameter d of inclusions in ingot was respectively 59×106, 134 entries•mm-2 and 2.91 μm when the ultrasonic treatment time was 60 s, at the same time, the percentage of inclusions with diameter D＜2.31 μm is up to more than 43 % of the total.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

336-340

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.336

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Online since:

February 2011

Authors:

Jie Lie, Cheng Ling Ge, Hai Chuan Wang, Ling Li, Qi Xuan Rui, Guang Wu Tang

Keywords:

High-Carbon Steel, Inclusion, Ultrasonic Cavitation, Ultrasonic Wave (UW)

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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