In-situ investigation of composition segregation and deformation streamline in bainitic steel on mechanical properties

The influence of segregation bands and deformation streamline on mechanical properties is investigated via in-situ technology. The results reveal that the anisotropy is caused by the segregation bands. The microstructure and grain orientation of the matrix were obviously rotated, and the strain grad...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2022-10, Vol.855, p.143949, Article 143949
Main Authors: Ruijie, Zhang, Zheng, Chunlei, Bo, Lv, Chen, Chen, Peijun, Zhang, Fucheng, Zhang
Format: Article
Language:English
Subjects:
Anisotropy
Bainitic steel
Crack initiation
Grain orientation
Mechanical properties
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Summary:The influence of segregation bands and deformation streamline on mechanical properties is investigated via in-situ technology. The results reveal that the anisotropy is caused by the segregation bands. The microstructure and grain orientation of the matrix were obviously rotated, and the strain gradient between matrix and segregation promotes crack initiation.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2022.143949