[PDF] Top 20 Fatigue Crack Growth Resistance and Crack Closure Behavior in two Aluminum Alloys for Aeronautical Applications

... Aluminum-lithium alloys are candidate materials for many aerospace applications because of their high specific strength and elastic ...These alloys have several unique characteristics ... See full document

... research, fatigue crack growth da/dN x ∆ K has been studied in two dual-phase steels broadly used in the automotive industry, with 7% to 12% of martensite volume ...the ... See full document

... Aluminum-lithium alloys are candidate materials for many aerospace applications because of their high speciic strength and elastic ...These alloys have several unique characteristics ... See full document

... Aluminum alloys are widely used in aeronautical design due to their good mechanical properties and low ...these alloys, 7475 (Al–Zn–Mg–Cu), modified from 7075, is successfully ... See full document

... that fatigue crack growth rates (FCGR) in welds may display strong sensitivity to welding process, weld geometry, localized changes in material and mechanical properties of the ... See full document

... 7475-T7351 aluminum strips were subjected to two tensile pre-strain levels of 3% and ...specimens, fatigue crack growth tests were conducted under constant amplitude loading at ... See full document

... both crack tip and crack wake ...of crack tip and/or crack wake mechanisms depends on the adhesion between the rubber particles and the cement paste and the type of ... See full document

... obtained in the condition aged at 500 ° C/24 h and this ratio is higher than for Ti-6Al-4V ...substitute in places subjected to mechanical loading. Moreover, a recent in vitro research ... See full document

... Sr and the balance Al. The 0.015wt.%Sr(Al-10Sr) was added in the form of master Al-10Sr alloy for eutectic Si ...melted in an induction furnace with a carbon ...°C and was stirred clockwise by ... See full document

... structural applications, but the interface between aluminium-adhesive is severely weakened when subjected to ...etching and phosphoric acid anodising are manda- tory for structural joints that rely on ... See full document

... distribution and these points may be ...it and it is measured in the units of the response vari- able and represents the standard distance data values fall from the regression line, or the ... See full document

... are in high temperature; rails moving in high temperature may cause permanent strain at welded joint, promoting another structural ...dimensional and finishing control of welding burr must be urgently ... See full document

... the fatigue life of mechanical ...of fatigue life and the crack initiation and growth behavior of a holed specimen were investigated by using the 6082 Aluminum ... See full document

... anatomy and load configuration. In these conditions, in order to evaluate the material behavior and the fracture process, it’s necessary to separate the part of each ...mode. In ... See full document

... applying two of the yield models, namely the Wheeler and Willenborg models, in order to evaluate fatigue crack growth retardation in an R3 grade structural steel after a ... See full document

... fracture behavior of polymer ...used in plane-strain fracture toughness tests. Two approaches have been simultaneously used to determine the crack opening ...The crack mouth opening ... See full document

... function and service life of the component but also its aesthetics, in some ...degrades in terms of appearance. In the long term, the most common way for polymers to degrade, when exposed ... See full document

... a fatigue crack tip obtained from the DIC analysis may be influenced by data processing parameters used in the DIC ...errors in the measured displacements and strains; hence methods may ... See full document

... Recently, there has been significant progress in the direction of discrete crack growth modeling – the development of a partition of unity finite element method for crack modeling (coine[r] ... See full document

... slow crack growth (SCG) behavior of a zirconia ceramic after grinding and simulated aging with low-temperature degradation ...transformation, and roughness were also ...ISO:6872-2008, ... See full document