Analysis of atomic distribution near grain boundary in Zr Sn Nb Fe-(Cu) alloys by atom probe tomography
Source abstract
Abstract
Abstract Atom probe tomography was used to study the distribution of alloying elements near grain boundaries (GBs) in Zr-1.0Sn-0.3Nb-0.3Fe-(0.1Cu) alloys at the early stage of aging after β quenching. Cu was observed to segregate at GBs for the first time. Zr3Fe, Zr3(Fe,Cu) and Zr(Nb,Fe,Cr)2 are precipitated on or near GBs. In addition, the impurity Si is mainly precipitates in the form of second-phase particles (SPPs), forming Zr3(Fe,Si) and Zr3(Fe,Cu,Si).
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Research context
OpenAlex topics: Nuclear Materials and Properties · Advanced Materials Characterization Techniques · Fusion materials and technologies
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References (20)
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