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논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 이진규
- 발행연도
- 2016
- 저작권
- 공주대학교 논문은 저작권에 의해 보호받습니다.
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Powder injection molding (PIM) is a near-net shaping technique that is particularly advantageous for the applications where complex shape with high dimensional accuracy and high density are required. The relationships between processing parameters and density, microstructure and mechanical properties of the alloys for PIM process were investigated. In addition, a large number of alloy systems have been developed in conventional PIM process. Development of Fe-Ni alloy systems with high hardness and high corrosion resistance can expand the practical application areas of PIM.
In this study, we report the microstructure and high temperature oxidation behaviors of Fe-Ni-(Si,Mo,Cr,C) alloy by powder sintering. The Fe-Ni-(Si,Mo,Cr,C) powders were prepared by the pulverization of melt-spun ribbons. The effects of various sintering parameters such as pressure, temperature, time on the density and microstructure of Fe-Ni-(Mo,Si,Cr,C) alloys have been investigated in detail. Structural characterization was performed using an X-ray diffractometry (XRD) with CuKa radiation and scanning electron microscope (SEM). The density of the Fe-Ni-(Si,Mo,Cr,C) alloys was measured by Archimedes method and their hardness was determined by using a Vickers hardness tester. In order to investigate the oxidation resistance of the alloys, the high temperature oxidation test was performed.
In this study, we report the microstructure and high temperature oxidation behaviors of Fe-Ni-(Si,Mo,Cr,C) alloy by powder sintering. The Fe-Ni-(Si,Mo,Cr,C) powders were prepared by the pulverization of melt-spun ribbons. The effects of various sintering parameters such as pressure, temperature, time on the density and microstructure of Fe-Ni-(Mo,Si,Cr,C) alloys have been investigated in detail. Structural characterization was performed using an X-ray diffractometry (XRD) with CuKa radiation and scanning electron microscope (SEM). The density of the Fe-Ni-(Si,Mo,Cr,C) alloys was measured by Archimedes method and their hardness was determined by using a Vickers hardness tester. In order to investigate the oxidation resistance of the alloys, the high temperature oxidation test was performed.
목차
List of FiguresList of Table제 1 장 서 론제 2 장 이론적 배경2.1 Fe-Ni계 합금2.2 PIM2.3 급속응고법 Melt spinning2.4 방전 플라즈마 소결법제 3 장 실험 방법3.1 시편 제조3.1.1 모합금 제조3.1.2 리본 제조3.1.3 리본 분쇄3.2 성형공정3.2.1 방전 플라즈마 소결3.3 구조 분석3.3.1 미세조직 분석3.3.2 XRD 상분석3.4 물리적 특성 분석3.4.1 비커스 경도 실험3.4.2 고온 산화 실험제 4 장 실험결과 및 고찰4.1 Fe-Ni계 합금4.1.1 Fe-Ni계 소결체4.2 Fe-Ni-1Si-0.5Mo계4.2.1 Fe-Ni-1Si-0.5Mo계 소결체4.3 Fe-10Ni-1Si-0.5Mo-Cr계4.3.1. Fe-10Ni-1Si-0.5Mo-Cr계 소결체4.4 Fe-10Ni-1Si-0.5Mo-2Cr-C계4.4.1 Fe-10Ni-1Si-0.5Mo-2Cr-C계 소결체4.5. MIM 상용화 Fe-8Ni 분말비교4.5.1. MIM 상용화 Fe-8Ni 분말비교제 5 장 결론참고문헌Abstract
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