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Environment-dependent fatigue life of Cu-Cd alloy wires used as messenger wires was investigated. Tensile test results showed the decrease of tensile strength and elongation of messenger wires by 3.7% and 16.8% respectively, in used specimens when com...
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RISS 인기검색어
Cu-Cd 합금선의 사용환경에 따른 피로수명 평가 = Prediction of Environment-Dependent Fatigue Life of Cu-Cd Alloy Wires
한글로보기https://www.riss.kr/link?id=E805425
- 저자
- 발행기관
-
발행연도
2002년
-
작성언어
Korean
-
KDC
550.000
-
자료형태
한국연구재단(NRF)
-
수록면
291-300
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
Environment-dependent fatigue life of Cu-Cd alloy wires used as messenger wires was investigated. Tensile test results showed the decrease of tensile strength and elongation of messenger wires by 3.7% and 16.8% respectively, in used specimens when compared to new ones. Accerelated corrosion of specimens showed the decreased tensile strength and elongation with increase of corrosion concentration and corrosion time. Used specimens exposed to atmospheric environment showed 30∼50% decrease in fatigue life through increase in stress concentrations by formation of corrosion products at the surface. Single wires showed better fatigue properties than stranded wires, especially at low cycle regions with higher stresses. Stranded wires showed less fatigue lives than single wires because of friction between wires by surface contact.
Environment-dependent fatigue life of Cu-Cd alloy wires used as messenger wires was investigated. Tensile test results showed the decrease of tensile strength and elongation of messenger wires by 3.7% and 16.8% respectively, in used specimens when compared to new ones. Accerelated corrosion of specimens showed the decreased tensile strength and elongation with increase of corrosion concentration and corrosion time. Used specimens exposed to atmospheric environment showed 30∼50% decrease in fatigue life through increase in stress concentrations by formation of corrosion products at the surface. Single wires showed better fatigue properties than stranded wires, especially at low cycle regions with higher stresses. Stranded wires showed less fatigue lives than single wires because of friction between wires by surface contact.
목차 (Table of Contents)
- 1. 서론
- 2. 연구 내용
- 3. 실험 결과 및 검토
- 3-1. 조가선 단면 검사
- 3-2. 조가선 인장시험
- 1. 서론
- 2. 연구 내용
- 3. 실험 결과 및 검토
- 3-1. 조가선 단면 검사
- 3-2. 조가선 인장시험
- 3-3. 조가선 피로시험
- 4. 요약
- 5. References
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