목차

Abstract ·····················································································································ii
Contents ···················································································································iii
List of Figures ·························································································v
List of Tables ·························································································vi
Chapter 1:서론 ····························································1
1.1 서론 ·······························································1
1.2 연구 현황 ··························································································2
1.3 연구 목적 ····················································································3
Chapter 2:이론적 배경 ····································································4
2.1 차체 경량화 기술 및 소재 개발 현황 ····································································4
2.2 이종소재 접합기술 동향 ····································································6
2.3 기계적 접합기술의 종류 ····································································8
2.3.1 볼트 체결(Bolt-Joint) ····································································9
2.3.2 블라인드 리벳(Blind rivet) ······························································10······
2.3.3 High speed nailing ····································································11
2.3.4 Flow Drill Screw(FDS) ···································································12
2.3.5 Self-Piercing Rivet(SPR) ···································································14
2.4 갈바닉 부식 (galvanic corrosion) ····································································16
Chapter 3:실험 방법 ····································································18
3.1 소재조합 정보 및 시험편 제작 방법 ····································································18
3.2 Self-Piercing Rivet(SPR) 공정 체결 조건 최적화 ····································································21
3.3 염수분무 시험 및 전단 인장 시험 ····································································26
Chapter 4:실험 결과 및 고찰 ····································································29
4.1 접합부 품질 평가 ····································································29
4.1.1 Self-Piercing Rivet9SPR) 접합부 품질평가 ····································································29
4.1.2 SPR-bonded 접합부 품질 평가 ····································································33
4.2 염수분무 시험 시간에 따른 시편 표면 분식상태 변화 ····································································36
4.3 염수분무 시험 시간에 따른 접합부 기계적 특성 평가 ····································································40
4.3.1 SPR 및 SPR-bonded 접합부의 Load-Displacement 특성 분석 ····································································40
4.3.2 SPR 및 SPR-bonded 접합부의 파단모드 변화 분석 ····································································43
Chapter 5:결론 ····································································51
참고 문헌 ····································································53
Abstract ····································································57
감사의 글 ····································································59