Effects of Mn addition on the corrosion behaviors of Zr-Sn-Nb-Fe-Mo alloys
Source abstract
Abstract
Abstract The corrosion resistance of Zr-Sn-Nb-Fe-Mo (denoted as Zr-Mo) is dramatically deteriorated through the alloying of trace Mn. The oxide on Zr-Sn-Nb-Fe-Mo-Mn (denoted as Zr-Mo-Mn) possesses a relatively looser structure. Mn addition promotes the formation of vacancies by the operation of Kirkendall effect and more vacancies merge with others to form micro-pores, and further develop into micro-cracks. Therefore, the oxide formed on Zr-Mo-Mn exhibits lower mechanical strength. As oxidation progresses, the oxides in both alloys are gradually degraded by micro-pores or micro-cracks, thereby the mechanical strengths of oxides decrease with the increment of exposure time.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nuclear Materials and Properties · Fusion materials and technologies · Advanced materials and composites
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