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RISSThe spot welding conditions followed that welding force was 250, 300, 350kgf, welding currents were 18, 21,24,27,30kA, and wewelding current range increased. The failure modes of tensileshear test were observed on shear, button, and tear failure mode....
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RISS 인기검색어
Al 5052-H32 판재의 점용접조건에 따른 강도 및 피로 파괴에 관한 연구 = The Study of Strength and Fatigue Fracture on Al 5052-H32 Plate According to Spot Welding Conditions
한글로보기https://www.riss.kr/link?id=A2068397
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1996
-
작성언어
Korean
-
KDC
558.000
-
자료형태
학술저널
-
수록면
201-215(15쪽)
- 제공처
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
The spot welding conditions followed that welding force was 250, 300, 350kgf, welding currents were 18, 21,24,27,30kA, and wewelding current range increased. The failure modes of tensileshear test were observed on shear, button, and tear failure mode. The shear, botton, tear failure were observed at low, medium, high welding lding time was 6cycles. The micro-structure of welded zone was made of nugget, columnar, and HAZ. Nugget diameter increased as the welding current range increased. Nugget thickness decreased as the current. The opimum welding condition was choosed for welding force 250kgf and welding current 24kA at Al5052-H32 plate of 1 mm thickness. The fatigue behavior was examined by a bending fatigue machine. The fatigue limit was 107.8MPa. The crack propagation rates were 1.033×10-7(??)2.11 at spot welded zone and 1.752×10-7(??)2.08 at base metal.
The spot welding conditions followed that welding force was 250, 300, 350kgf, welding currents were 18, 21,24,27,30kA, and wewelding current range increased. The failure modes of tensileshear test were observed on shear, button, and tear failure mode. The shear, botton, tear failure were observed at low, medium, high welding lding time was 6cycles. The micro-structure of welded zone was made of nugget, columnar, and HAZ. Nugget diameter increased as the welding current range increased. Nugget thickness decreased as the current. The opimum welding condition was choosed for welding force 250kgf and welding current 24kA at Al5052-H32 plate of 1 mm thickness. The fatigue behavior was examined by a bending fatigue machine. The fatigue limit was 107.8MPa. The crack propagation rates were 1.033×10-7(??)2.11 at spot welded zone and 1.752×10-7(??)2.08 at base metal.
목차 (Table of Contents)
- Ⅰ. 서 론
- Ⅱ. 실험방법
- 1. 용접재료
- 2. 점용접장치 및 조건
- 3. 강도 및 피로실험방법
- Ⅰ. 서 론
- Ⅱ. 실험방법
- 1. 용접재료
- 2. 점용접장치 및 조건
- 3. 강도 및 피로실험방법
- Ⅲ. 실험결과 및 고찰
- 1. 너깃의 성장
- 2. 인장전단강도
- 3. 경도분포 및 미세구조
- 4. 피로거동
- Ⅳ. 결 과
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