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Microstructural analysis of vanadium carbide/steel surface-alloyed materials fabricated by high-energy electron-beam irradiation SCIE SCOPUS

Title
Microstructural analysis of vanadium carbide/steel surface-alloyed materials fabricated by high-energy electron-beam irradiation
Authors
Euh, KChoo, SHLee, S
Date Issued
2000-11
Publisher
MINERALS METALS MATERIALS SOC
Abstract
This study is concerned with the microstructural analysis of vanadium carbide (VC)/steel surface alloyed materials fabricated by high-energy electron-beam irradiation. The mixtures of VC powders and MgO-CaO flux were deposited on a plain carbon steel substrate, and then electron beam was irradiated on these mixtures using an electron-beam accelerator. Microstructures of the irradiated surface regions were examined by optical microscopy, scanning electron microscopy, and transmission electron microscopy. Residual pores were found in the specimen processed without flux, but hardly found in the specimens processed with a considerable addition of flux. As a result of irradiation, vanadium content was homogeneously maintained throughout the melted region, and fine vanadium carbides were formed in the melted region. These microstructural modification including the formation of vanadium carbides greatly improved hardness, especially high-temperature hardness up to 500 degreesC.
URI
https://oasis.postech.ac.kr/handle/2014.oak/11440
DOI
10.1007/BF02830354
ISSN
1073-5623
Article Type
Article
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE, vol. 31, no. 11, page. 2849 - 2855, 2000-11
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이성학LEE, SUNG HAK
Dept of Materials Science & Enginrg
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