2004
DOI: 10.3989/cyv.2004.v43.i2.508
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Influencia de la sobremaduración en las propiedades mecánicas y comportamiento a corrosión bajo tensión de una aleación de aluminio 7075 T6

Abstract: En este trabajo se estudia el efecto de la aplicación de una etapa de remaduración posterior al estado T6 sobre las propiedades mecánicas y el comportamiento a corrosión bajo tensiones de una aleación EN AW 7075. Todas las remaduraciones se dieron durante 27 horas a tres temperaturas distintas: 147, 152 y 163 ºC; esta última corresponde a la indicada por la norma MIL-H-6088F para la obtención del estado T73 a partir del estado T6. Se evalúan las propiedades mecánicas y a corrosión bajo tensiones de estos trata… Show more

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Cited by 4 publications
(2 citation statements)
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“…For example, at the grain boundary, an over ageing treatment causes the precipitation of coarser, non‐coherent nanoparticles and with smaller interparticle spacing than the peak‐ageing treatment . Consequently, susceptibility to SCC decreases but also mechanical strength is reduced .…”
Section: Introductionmentioning
confidence: 99%
“…For example, at the grain boundary, an over ageing treatment causes the precipitation of coarser, non‐coherent nanoparticles and with smaller interparticle spacing than the peak‐ageing treatment . Consequently, susceptibility to SCC decreases but also mechanical strength is reduced .…”
Section: Introductionmentioning
confidence: 99%
“…The resistance to SCC increases with ageing time: overageing treatment leads to coarser and incoherent precipitation in the matrix and at the grain boundaries, with fewer interactions with the dislocations and fewer differences in composition. Consequently, susceptibility to SCC decreases, but with a loss of mechanical specification [18]. DCT can potentially improve resistance to SCC with no detrimental effect on mechanical properties [12].…”
Section: Introductionmentioning
confidence: 99%