표제지
목차
ABSTRACT 10
Ⅰ. 서론 12
1.1. 연구 배경 12
1.2. 문헌 조사 15
1.2.1. 등방성 모재의 접착 체결부 강도에 관한 연구 15
1.2.2. 복합재 모재의 접착 체결부 강도에 관한 연구 17
1.2.3. 환경조건에 대해 체결부 강도에 관한 연구 18
1.3. 연구 목적 및 범위 19
Ⅱ. 복합재 접착 체결부의 강도 시험 21
2.1. 시편 제작 21
2.2. 복합재 성형 24
2.2.1. 성형 싸이클 24
2.2.2. 제작 공정 26
2.2.3. 성형 방법 27
2.3. 환경 조건 31
Ⅲ. 상온(RTD) 시험 결과 및 검토 33
3.1. 물성치 시험 33
3.2. 제작공정에 따른 파손하중 및 강도 39
3.3. 모재두께에 따른 파손하중 및 강도 45
Ⅳ. 고온흡습(ETW) 시험 결과 및 검토 48
4.1. 접착 체결부 고온흡습 시험 48
4.2. 제작공정에 따른 파손하중 및 강도 53
4.3. 모재두께에 따른 파손하중 및 강도 58
Ⅴ. 환경노출효과 및 검토 61
5.1. 제작공정에 따른 파손하중 및 강도 61
Ⅵ. 결론 65
참고문헌 67
감사의 글 70
Table 2-1. Test Matrix of Specimens 23
Table 3-1. Property of AGATE Data Sheet 35
Table 3-2. Property of Toray Data Sheet in Room Temperature Condition 35
Table 3-3. Test results in lab 36
Table 3-4. Comparison properties 36
Table 3-5. Results Summary by Manufacturing Method in RTD Condition 40
Table 4-1. Results Summary by Manufacturing Method in ETW Condition 54
Table 5-1. Results Summary by Manufacturing Method in RTD and ETW Condition 62
Fig. 2-1. Configuration of Bonded Single-Lap Joint Specimen 22
Fig. 2-2. Named of Bonded Single-Lap Joint Specimens 23
Fig. 2-3. Curing Cycle of Toray T700GC-12K-31E/#2510 25
Fig. 2-4. Curing Cycle of EA9696 Film Adhesive 25
Fig. 2-5. Concept of Manufacturing Method (Cocuring, Co-Bonding, Secondary Bonding) 26
Fig. 2-6. Curing Methed for Laminate 28
Fig. 2-7. Curing Methed for Cocuring and Co-Bonding 29
Fig. 2-8. Curing Methed for Secondary Bonding 29
Fig. 2-9. Curing Process for Cocuring 30
Fig. 2-10. Curing Process for Secondary Bonding 30
Fig. 3-1. Tensile Property Test 34
Fig. 3-2. Shear Property Test 34
Fig. 3-3. Set-Up for Bonded Joint Test 41
Fig. 3-4. Failure Load and Strength of Joints by Manufacturing Method in RTD Condition(8 Plies) 41
Fig. 3-5. Failure Load and Strength of Joints by Manufacturing Method in RTD Condition(24 Plies) 42
Fig. 3-6. Failure Load and Strength of Joints by Manufacturing Method in RTD Condition(40 Plies) 42
Fig. 3-7. Failure Mode of Different Manufacturing Methods in RTD Condition(Cocuring, 24 Plies) 43
Fig. 3-8. Failure Mode of Different Manufacturing Methods in RTD Condition(Co-Bonding, 24 Plies) 43
Fig. 3-9. Failure Mode of Different Manufacturing Methods in RTD Condition(Secondary Bonding, 24 Plies) 44
Fig. 3-10. Failure Load and Strength of Cocuring Joints on Different Thickness in RTD Condition 46
Fig. 3-11. Failure Load and Strength of Co-Bonding Joints on Different Thickness in RTD Condition 46
Fig. 3-12. Failure Load and Strength of Secondary Bonding Joints on Different Thickness in RTD Condition 47
Fig. 4-1. Traveler Specimens 49
Fig. 4-2. Environmental Chamber 50
Fig. 4-3. Test Specimens and Traveler in Environmental Chamber 50
Fig. 4-4. Moisture Contents Graph of CC-8-ETW Traveler 51
Fig. 4-5. Moisture Contents in Various Manufacturing Methods(8 Plies) 51
Fig. 4-6. Testing for Elevated Temperature Environment 52
Fig. 4-7. Failure Load and Strength of Joints by Manufacturing Method in ETW Condition(8 Plies) 55
Fig. 4-8. Failure Load and Strength of Joints by Manufacturing Method in ETW Condition(24 Plies) 55
Fig. 4-9. Failure Load and Strength of Joints by Manufacturing Method in ETW Condition(40 Plies) 56
Fig. 4-10. Failure Mode of Different Manufacturing Methods in ETW Condition(Cocuring, 24 Plies) 56
Fig. 4-11. Failure Mode of Different Manufacturing Methods in ETW Condition(Co-Bonding, 24 Plies) 57
Fig. 4-12. Failure Mode of Different Manufacturing Methods in ETW Condition(Secondary Bonding, 8 Plies) 57
Fig. 4-13. Failure Load and Strength of Cocuring Joints on Different Thickness in ETW Condition 59
Fig. 4-14. Failure Load and Strength of Co-Bonding Joints on Different Thickness in ETW Condition 59
Fig. 4-15. Failure Load and Strength of Secondary Bonding Joints on Different Thickness in ETW condition 60
Fig. 5-1. Failure Load of Joints by Manufacturing Method in Various Conditions(8 Plies) 63
Fig. 5-2. Failure Load of Joints by Manufacturing Method in Various Conditions(24 Plies) 63
Fig. 5-3. Failure Load of Joints by Manufacturing Method in Various Conditions(40 Plies) 64