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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 673 - 682 (10page)
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초록· 키워드
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Three dimensional atom probe tomography (3D APT) is applied to characterize the dissimilar metal joint which was welded between the Ni-based alloy, Alloy 690 and the low alloy steel, A533 Gr. B, with Alloy 152 filler metal. While there is some difficulty in preparing the specimen for the analysis, the 3D APT has a truly quantitative analytical capability to characterize nanometer scale particles in metallic materials, thus its application to the microstructural analysis in multicomponent metallic materials provides critical information on the mechanism of nanoscale microstructural evolution. In this study, the procedure for 3D APT specimen preparation was established, and those for dissimilar metal weld interface were prepared near the fusion boundary by a focused ion beam. The result of the analysis in this study showed the precipitation of chromium carbides near the fusion boundary between A533 Gr. B and Alloy 152.
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참고문헌 (25)
참고문헌 신청
A. Cerezo / 2007 / Overview: Recent Progress in Three-Dimensional Atom Probe Instruments and Applications / Microsc. Microanal 13 : 408 ~
A.R. Waugh / 1977 / Surface studies with an imaging atom-probe / Surf. Sci 68 : 79 ~
B.W. Krakauer / 1993 / Absolute atomic-scale measurements of the Gibbsian interfacial excess of solute at internal interfaces / Phys. Rev. B 48 : 6724 ~
C.H. Jang / 2008 / Mechanical Properties Evaluation in Inconel 82/182 Dissimilar Metal Welds / J. PVP 85 : 635 ~
D. Blavette / 2007 / Phase transformation and segregation to lattice defects in Ni-base superalloys / Microsc. Microanal 13 : 46 ~
A.R. Waugh / 1977 / Surface studies with an imaging atom-probe / Surf. Sci 68 : 79 ~
B.W. Krakauer / 1993 / Absolute atomic-scale measurements of the Gibbsian interfacial excess of solute at internal interfaces / Phys. Rev. B 48 : 6724 ~
C.H. Jang / 2008 / Mechanical Properties Evaluation in Inconel 82/182 Dissimilar Metal Welds / J. PVP 85 : 635 ~
D. Blavette / 2007 / Phase transformation and segregation to lattice defects in Ni-base superalloys / Microsc. Microanal 13 : 46 ~
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