Effect of structure and texture on failure of pipe steel sheets produced by TMCP

The method of orientation microscopy (EBSD) is used to study the structure and texture of low-carbon, low-alloy pipe steel sheets processed by controlled thermomechanical processing (TMCP). The temperatures of isothermal hot rolling varied. Samples cut from sheets showed a different properties durin...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-01, Vol.709 (4), p.44010
Main Authors: Lobanov, M L, Danilov, S V, Urtsev, V N
Format: Article
Language:English
Subjects:
Hot rolling
Low alloy steels
Low carbon steels
Mechanical tests
Metal sheets
Pipes
Rolling direction
Texture
Thermomechanical treatment
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Summary:The method of orientation microscopy (EBSD) is used to study the structure and texture of low-carbon, low-alloy pipe steel sheets processed by controlled thermomechanical processing (TMCP). The temperatures of isothermal hot rolling varied. Samples cut from sheets showed a different properties during mechanical testing. The formation of cleavages (secondary cracks) during failure of steel is related to the presence of ferrite grains with orientation {001} extended in the hot rolling direction. The formation of grains is a consequence of the isothermal hot rolling below the temperature Ac3 at TMCP.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/709/4/044010