[논문]수리온 주로터 블레이드 프라이머 공정변경을 통한 PU Strip 품질 향상에 관한 연구

이윤우; 김영진; 서영진; 김민호

doi:10.7469/jksqm.2019.47.3.401

수리온 주로터 블레이드 프라이머 공정변경을 통한 PU Strip 품질 향상에 관한 연구
A Study on PU Strip Quality Improvement through a Change of Primer-process for SURION Main Rotor Blade 원문보기

品質經營學會誌 = Journal of Korean society for quality management, v.47 no.3, 2019년, pp.401 - 415

이윤우 (국방기술품질원 항공센터) , 김영진 (국방기술품질원 항공센터) , 서영진 (국방기술품질원 항공센터) , 김민호 (한국항공우주산업(주))

Abstract ▼ AI-Helper

Purpose: When the SURION Aircraft operated in the fields, cracks are found in PU(polyurethane) Strip on main rotor blade. This study has been conducted to explain PU(polyurethane) Strip crack phenomenon of SURION main rotor blade and to propose useful solution of it by experimental method. Methods: This study considered a lot of factor because the SURION is operated at severe environment. This study investigated the influence of temperature, thermal shock, paint and primer process, PU Strip material, primer material. Results: The results of this study are as follows; The primer process was most excellent influence. The Application of primer having a brittleness caused by a crack of PU Strip. Other factors have influenced on the PU Strip, but they can not be controlled because they are related to the SURION's operating environment. Conclusion: The Quality of PU Strip on SURION main rotor blade was improved through removing the primer process. Finally, the reliability of main rotor blade was guaranteed through improving the quality of PU Strip.

주제어

표/그림 (28)

그림 Figure 1. Structure and PU Strip of main rotor blade
그림 Figure 2. Shape of Blade cross section
그림 Figure 3. Crack of PU Strip, Primer and Paint
그림 Figure 4. Test Equipment
그림 Figure 5. Tensile Test Specimen
표 Table 1. Influence of Degradation and Hardening Temp.
표 Table 2. Test Condition
표 Table 3. Influence of Degradation and Hardening Temp.
표 Table 4. Influence of Paint Process
표 Table 5. Influence of Thermal Shock
표 Table 6. Influence of Paint Type
표 Table 7. Influence of Low Temperature
표 Table 8. Influence of Primer Material and Process
그림 Figure 6. Specimens of adhesion test
그림 Figure 7. Tensile Strength and Elongation of Hardening & Degradation Condition
그림 Figure 8. Tensile Strength and Elongation of Paint Process Control Condition
표 Table 9. Influence of Hardening & Degradation Temp.
표 Table 10. Influence of Paint Process
그림 Figure 9. Tensile Strength and Elongation of Thermal Shock Condition
표 Table 11. Influence of Thermal Shock
그림 Figure 10. Tensile Strength and Elongation of Paint Type Condition
표 Table 12. Influence of Paint Type
표 Table 14. Influence of Low Temp(-30℃).
그림 Figure 11. Tensile Strength and Elongation of Low Temp(-30℃). condition
그림 Figure 12. Tensile Strength and Elongation of Primer Material and Process
그림 Figure 13. Wet Tape Test
그림 Figure 14. Specimens of Paint Adhesion Test
표 Table 13. Influence of Primer Material and Process

참고문헌 (20)

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원문보기 상세보기
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원문보기 상세보기
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원문보기 상세보기
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