본문 바로가기 주메뉴 바로가기
국회도서관 홈으로 정보검색 소장정보 검색

결과 내 검색

동의어 포함

목차보기

표제지

Abstract

목차

1. 서론 10

1.1 용융탄산염 연료전지의 개발 현황 10

1.2 군사적 응용 11

1.3 용융탄산염 연료전지 Anode 크립 12

1.4 연구범위 14

2. 이론적 배경 16

2.1 용융탄산염 연료전지의 원리 16

2.2 Tape Casting 18

2.3 강화 메카니즘 18

2.3.1 고용강화 18

2.3.2 석출강화와 분산강화 19

3. 실험방법 20

3.1 Green Sheet의 제조 20

3.2 소결 공정 20

3.3 X-선회절 분석 23

3.4 미세구조 관찰 23

3.5 기공율 측정 26

3.6 크립 실험 26

4. 결과 및 고찰 29

4.1 상분석 및 미세조직 관찰 29

4.1.1 상분석 29

4.1.2 미세조직 관찰 44

4.2 크립 특성 54

5. 결론 58

References 60

감사의 글 64

List of Figures

Fig. 1. A schematic diagram showing the principle of molten carbonate fuelcell operation 17

Fig. 2. A portion of the phase diagram for Ni-Al system[31]The arrow represents the composition of a Ni-Al alloy employed in this experiment 21

Fig. 3. The procedure for fabrication of anode green sheets by tape casting 22

Fig. 4. Hydrogen/water ratio for oxidation and reduction of five metals and oxides[ 24

Fig. 5. The gas feed system used for partial oxidation process 25

Fig. 6. A schematic diagram of an apparatus used for creep tests[ 27

Fig. 7. XRD patterns of a Ni-12wt.%Al specimen sintered at various temperatures for 3 hours in Ar atmosphere[33] 30

Fig. 8. The XRD pattern of a Ni-12wt.%Al specimen sintered at 1200℃ for 10 minutes in Ar atmosphere 32

Fig. 9. XRD patterns of a (a) Ni-5wt.%Al or (b) Ni-13.3wt.%Al specimen sintered at 1200℃ for 10 minutes in Ar atmosphere 33

Fig. 10. XRD patterns of mixtures of Ni3Al and Ni-5wt.%Al solid solution powders with weight ratios of (a) 40 : 60, (b) 60 :40, and (c) 80 :20 35

Fig. 11. The calibration curve of peak height ratio vs. Weight percent of Ni3Al 36

Fig. 12. The XRD patterns of a Ni-12wt.%Al specimen (a) sintered at 1200℃ for 10 minutes in Ar atmosphere and the ones obtained after partial oxidation at (b) 700℃ (c) 800℃, and (d) 900℃ for 2.5 hours in the atmosphere of PH2 37