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논문 기본 정보

자료유형
학술저널
저자정보
Yohan Kang (Chonbuk National University) Suchul Yoon (Chonbuk National University) Minwook Kim (Chonbuk National University) Seok-Jae Lee (Chonbuk National University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.23 No.3
발행연도
2014.5
수록면
151 - 159 (9page)

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초록· 키워드

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We investigated the effects of the chemical composition and the relative density on the plastic deformation behavior of sintered Fe-based alloys by means of compressive tests. Overall compressive stresses increased as the amount of alloying elements and the relative density were respectively increased. Addition of alloying elements except for Mo increased the yield stress regardless of the relative density. The relationship between the effects of the chemical composition and the relative density and the mean rate of the stress increase was analyzed. A constitutive equation based on the Ludwik equation with the regressed parameters was proposed to predict the compressive true stress-true strain curves of the sintered Fe-based alloys. The K and n values used in the proposed equation were regressed as a function of the alloying elements and the relative density based on the individual K and n values. The plastic deformation behavior predicted using the proposed constitutive equation showed reliable accuracy compared with experimental data.

목차

I. Introduction
II. Experimental Procedure
III. Results and Discussion
IV. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-420-001274989