Journal ArticleDOI
Fatigue Crack Propagation in 2090 Aluminum-Lithium Alloy: Effect of Compression Overload Cycles
W. Yu,Robert O. Ritchie +1 more
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This article is published in Journal of Engineering Materials and Technology-transactions of The Asme.The article was published on 1987-01-01. It has received 28 citations till now. The article focuses on the topics: Fatigue limit & Stress concentration.read more
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Mechanisms of fatigue crack propagation in metals, ceramics and composites: Role of crack tip shielding☆
TL;DR: In this paper, the authors examined the effect of crack tip shielding on fatigue crack propagation behavior in metals, composites and ceramics, and showed that, whereas crack-tip shielding can provide a potent means of enhancing resistance to crack growth, such extrinsic toughening mechanisms can result in the apparently anomalous behavior of small cracks and to the susceptibility of brittle materials to fatigue failure.
Journal ArticleDOI
Fatigue of aluminium—lithium alloys
TL;DR: In this article, the cyclic fatigue strength and fatigue crack propagation characteristics of aluminium-lithium alloys are reviewed in detail with emphasis on the underlying micromechanisms associated with crack advance and their implications to damage tolerant design and lifetime computations.
Journal ArticleDOI
On the behavior of small fatigue cracks in commercial aluminum-lithium alloys
TL;DR: In this article, the authors examined the fatigue crack propagation behavior of microstructurally small (1-1000 μm) surface cracks as a function of microstructure in commercial aluminum-lithium alloys 2090-T8E41, 8091-T351 and 2091-T352, and compared with behavior in traditional high-strength aluminum alloys 2124 and 7150.
Journal ArticleDOI
Fatigue crack propagation in aluminum-lithium alloy 2090: Part II. small crack behavior
TL;DR: In this paper, the authors examined the crack growth and crack shielding behavior of long (≳5 mm) through-thickness cracks as a function of plate orientation and load ratio, and results compared to traditional high strength aluminum alloys.
Journal ArticleDOI
A review of some aspects of fatigue crack growth under variable amplitute loading
TL;DR: In this paper, the influence of variable amplitude loading on fatigue crack growth has been reviewed, in particular the importance of residual stresses, fatigue crack closure, microstruture, geometry and environment on the growth of long, through-thickness cracks following overloads, underloads and overload-underload combinations in Mode 1 opening.
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Fatigue crack growth and fracture toughness behavior of an Al-Li-Cu alloy
Kumar V. Jata,Edgar A. Starke +1 more