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High-cycle fatigue and fracture behaviours of Cu-Be alloy with a wide strength range
J. C. Pang; S. X. Li; Z. F. Zhang
2013
Source PublicationFatigue & Fracture of Engineering Materials & Structures
ISSN8756-758X
Volume36Issue:2Pages:168-176
AbstractThe high-cycle fatigue and fracture behaviours of Cu-Be alloy with tensile strength ranging from 500 to 1300 MPa acquired by different treatments were studied. Fatigue crack initiation, fracture surface morphologies, S-N curves and fatigue strength show obvious differences due to the change of microstructure. At relatively low-strength level, some fatigue cracks originated from defects; while at high-strength level, all the fatigue cracks initiated from cleavage facets. It was found that the fatigue ratio increases linearly and fatigue strength changes quadratically with increasing tensile strength, only considering one strengthening mechanism. Finally, the fatigue strengths of various Cu-Be alloys were summarized.
description.department[pang, j. c. ; li, s. x. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. ; zhang, zf (reprint author), chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; zhfzhang@imr.ac.cn
KeywordCopper Alloy Fatigue Crack Initiation And Propagation Fatigue Strength High-cycle Fatigue S-n Curve Severe Plastic-deformation Crack Initiation Copper Regime Steels Damage
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71424
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. C. Pang,S. X. Li,Z. F. Zhang. High-cycle fatigue and fracture behaviours of Cu-Be alloy with a wide strength range[J]. Fatigue & Fracture of Engineering Materials & Structures,2013,36(2):168-176.
APA J. C. Pang,S. X. Li,&Z. F. Zhang.(2013).High-cycle fatigue and fracture behaviours of Cu-Be alloy with a wide strength range.Fatigue & Fracture of Engineering Materials & Structures,36(2),168-176.
MLA J. C. Pang,et al."High-cycle fatigue and fracture behaviours of Cu-Be alloy with a wide strength range".Fatigue & Fracture of Engineering Materials & Structures 36.2(2013):168-176.
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