Topic
Paris' law
About: Paris' law is a research topic. Over the lifetime, 13815 publications have been published within this topic receiving 224818 citations. The topic is also known as: Paris-Erdogan law.
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TL;DR: In this article, ultrasonic impact treatment (UIT) was used to enhance the fatigue resistance of welded transverse stiffeners and cover plate details in 18 full-scale W27×129 rolled beam specimens.
121 citations
TL;DR: In this article, a single-cycle peak overload was investigated in Ti-6Al-4V sheet and the recovery of an overloaded crack was linear with respect to the constant load amplitude cyclic stress intensity.
121 citations
TL;DR: In this article, two fatigue crack growth laws, dl dN = C ΔK m and dl DN = c 1 σ n a l, which hold in large and small cracks, respectively, are taken as the representative ones expressing the crack growth rate of ductile materials.
121 citations
TL;DR: In this paper, the effect of varying amounts of Laves phase on the mechanical properties of wrought and cast + HIP Inconel718 is discussed, and methods for controlling Laves phases in cast+HIP+INconel 718 are discussed.
Abstract: The effect of varying amounts of Laves phase on the mechanical properties of wrought and cast + HIP Inconel718 is discussed. When present as a continuous or semicontinuous grain boundary network in wrought Inconel718, Laves phase dramatically reduces room temperature tensile ductility and ultimate tensile strength, with room temperature impact and fracture toughness properties and elevated temperature ductility also reduced. Laves may also act as a preferred crack initiation and propagation site, resulting in reduced low cycle fatigue (LCF) p blty d ca a i i an accelerated fatigue crack growth rates. Laves present as large globular aggregates in cast+HIP Inconel 718 significantly reduces room temperature tensile and elevated temperature stress rupture properties. In addition, the phase acts as a preferred crack initiation and propagation site, resulting in significant reductions in smooth and notch LCF capability and an accelerated fatigue crack growth rate. Methods for controlling Laves phase in wrought and cast +HIP Inconel 718 are discussed. Superalloys 718,625 and Various Derivatives Edited by Edward A. JJxia The Minerals, Metals & Materials Society, 1991
121 citations