Abstract:
:High operating temperatures can have very deleterious effects on the long-term performance of high-Cr, creep-resistant steels used, for example, in the structural components of power plants. For the popular creep-resistant steel X20CrMoV12.1 we analysed the processes of carbide growth using a variety of analytical techniques: transmission electron microscopy (TEM) and diffraction (TED), scanning electron microscopy (SEM), and electron backscatter diffraction (EBSD). The evolution of the microstructure after different aging times was the basis for a much better understanding of the boundary-migration processes and the growth of the carbides. We present an explanation as to why some locations are preferential for this growth, and using EBSD we were able to define the proper orientational relationship between the carbides and the matrix.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Godec M,Skobir Balantič DAdoi
10.1038/srep29734subject
Has Abstractpub_date
2016-07-13 00:00:00pages
29734issn
2045-2322pii
srep29734journal_volume
6pub_type
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