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EFFECTS OF ADDING NIOBIUM AND VANADIUM TO Fe-BASED OXIDE DISPERSION STRENGTHENED ALLOYopen access
- Issue Date
- Sep-2020
- Publisher
- POLSKA AKAD NAUK, POLISH ACAD SCIENCES, INST METALL & MATER SCI PAS
- Keywords
- Fe-based ODS; vanadium; niobium; superalloy; hardness
- Citation
- ARCHIVES OF METALLURGY AND MATERIALS, v.65, no.4, pp.1265 - 1268
- Indexed
- SCIE
SCOPUS
- Journal Title
- ARCHIVES OF METALLURGY AND MATERIALS
- Volume
- 65
- Number
- 4
- Start Page
- 1265
- End Page
- 1268
- ISSN
- 1733-3490
- Abstract
- In this study, the effects of adding niobium and vanadium to Fe-based oxide dispersion strengthened alloys are confirmed. The composition of alloys are Fe-20Cr-1Al-0.5Ti-0.5Y(2)O(3) and Fe-20Cr-1Al-0.5Ti-0.3V-0.2Nb-0.5Y(2)O(3). The alloy powders are manufactured by using a planetary mill, and these powders are molded by using a magnetic pulsed compaction. Thereafter, the powders are sintered in a tube furnace to obtain sintered specimens. The added elements exist in the form of a solid solution in the Fe matrix and suppress the grain growth. These results are confirmed via X-ray diffraction and scanning electron microscopy analyses of the phase and microstructure of alloys. In addition, it was confirmed that the addition of elements, improved the hardness property of Fe-based oxide dispersion strengthened alloys.
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Related Researcher
- Kim, Young Do
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)