2021
DOI: 10.1016/j.engfracmech.2021.107670
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Suitability of fatigue crack growth thresholds at negative stress ratios for ferritic steels and aluminum alloys in flaw evaluation procedures

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Cited by 8 publications
(8 citation statements)
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“…The material microstructures are recognized to associate with the R-effect on the structural materials, 23,27 including steels, 13 titanium alloys, 28 and aluminum alloys. 29 A titanium alloy with the α-aged microstructure had a negligible R-effect; however, it was observed to have a strong R-effect after different heat treatments. 30,31 Liu et al 31 and Lu et al 32 noticed a similar phenomenon though examining the steel or titanium welded join.…”
Section: Introductionmentioning
confidence: 93%
“…The material microstructures are recognized to associate with the R-effect on the structural materials, 23,27 including steels, 13 titanium alloys, 28 and aluminum alloys. 29 A titanium alloy with the α-aged microstructure had a negligible R-effect; however, it was observed to have a strong R-effect after different heat treatments. 30,31 Liu et al 31 and Lu et al 32 noticed a similar phenomenon though examining the steel or titanium welded join.…”
Section: Introductionmentioning
confidence: 93%
“…Es difícil determinar ∆K th experimentalmente, ya que toma mucho tiempo establecer si la grieta está creciendo o no [8]. Usualmente, se halla por extrapolación o directamente de la curva de propagación de la grieta.…”
Section: Métodos Experimentalesunclassified
“…El estándar ASTM E647-15e1 [8] propone tres modos de control de carga para conducir los ensayos de propagación de grietas: el método de amplitud de fuerza constante para da/dN > 10 -8 m/ciclo, el método de disminución de K para da/dN < 10 -8 m/ciclo y el método de control de K alternativo.…”
Section: Métodos Estándar Astmunclassified
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