Cases Analysis of Nonconformity in Ultrasonic Flaw Detection for Steel Plates

Yi Qiang Sun; Li Xin Wu; Ping Zhang; Zhi Fen Wang

doi:10.4028/www.scientific.net/AMR.295-297.917

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 295-297Cases Analysis of Nonconformity in Ultrasonic Flaw...

Cases Analysis of Nonconformity in Ultrasonic Flaw Detection for Steel Plates

Abstract:

The Optical Microscope and Scanning Electron Microscope were used to analyze the causes of Nonconformity in ultrasonic flaw detection for three steel plates. The metallographic and energy spectrum analysis show that the main reasons were inclusions, porosity and cracks respectively, which were caused by the slag inclusion, center porosity and center segregation of the billets. Improving the quality of the steel water and optimizing continuous casting process could reduce the defects, and increase the percent qualified in ultrasonic flaw detection.

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Manufacturing Science and Technology, AEMT2011

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Periodical:

Advanced Materials Research (Volumes 295-297)

Pages:

917-920

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.295-297.917

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Online since:

July 2011

Authors:

Yi Qiang Sun, Li Xin Wu, Ping Zhang, Zhi Fen Wang

Keywords:

Cases Analysis, Nonconformity in Ultrasonic Flaw Detection, Steel Plate

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References

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