Bright Line Defects of Hot Rolled Plate for 2205 Duplex Stainless Steel

Hui Zhang; Yong Jun Zhang; Jing Tao Han; Yuan Dong; Jie Ren Hu

doi:10.4028/www.scientific.net/AMM.470.15

Paper Titles

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Bright Line Defects of Hot Rolled Plate for 2205...

Bright Line Defects of Hot Rolled Plate for 2205 Duplex Stainless Steel

Abstract:

In hot rolling process of 2205 duplex stainless steel, it was found that bright line defects are mainly located at where is about distance of 200 mm from two sides of hot rolled plate. The forming reason of bright line defects is studied by means of metallographic microscope, scanning electron microscope (SEM) combined with energy dispersive spectrometer (EDS). It is concluded that the formation of bright line defects has associated with sticking and that the temperature reduction on the edge of hot rolling plate causes a high percentage of austenite phase which is network structure. In order to prevent or avoid the happening of the sticking phenomenon, it is necessary to uniformly distribute the oxide on the strip surface by controlled rolling process.

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Periodical:

Applied Mechanics and Materials (Volume 470)

Pages:

15-18

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.15

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Online since:

December 2013

Authors:

Hui Zhang, Yong Jun Zhang*, Jing Tao Han, Yuan Dong, Jie Ren Hu

Keywords:

Abnormal Microstructure, Bright Line Defects, Duplex Stainless Steel, Hot Rolled Plate, Sticking

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