박판 Al 2024-T3 합금의 두께별 피로파손특성 평가

• 영문명: Evaluation of Fatigue Failure Characteristics by Thickness of Sheet Al 2024-T3 Alloy
• 발행기관: 한국환경에너지공학회
• 저자명: 김승권 김수현 김민지 박지혜 박지영
• 간행물 정보: 『환경에너지공학』제18권 제1호, 1~6쪽, 전체 6쪽
• 주제분류: 공학 > 환경공학
• 파일형태: PDF
• 발행일자: 2023.07.31

영문 초록

Aluminum alloy sheet, specifically Al 2024-T3 alloy, is one of the key materials used in the construction of structural components for transportation devices, based on its mechanical properties such as strength and fatigue resistance. In this study, to understand the mechanical characteristics of Al 2024-T3 alloy used in the design and fabrication of transportation device structures, the following investigations were conducted: (i) fatigue tests were performed on specimens of varying thicknesses of Al 2024-T3 alloy under the same stress ratio and constant amplitude loading conditions. The results of the fatigue tests were analyzed to determine the fatigue failure characteristics of Al 2024-T3 alloy for each thickness. (ii) To investigate the fatigue failure characteristics for different thicknesses of Al 2024-T3 alloy, a curve was constructed using the range of stress intensity factor amplification (RoSIF) and the fatigue crack growth rate (FCGR) . From this, the material constants and related to fatigue failure for each thickness were determined. The material constants and obtained in this study are applied in the evaluation of fatigue behavior and fatigue life prediction of Al 2024-T3 alloy under cyclic loading, which is a type of dynamic loading.

목차

1. 서 론

2. 실 험

3. 시험결과 및 고찰

4. 결 론

키워드

Transportation Equipment Structure SheetAl2024-T3Alloy Fatigue Failure Characteristics Fatigue Crack Growth Rate(FCGR) Range of Stress Intensity Factor(RoSIF)