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Aviation's fossil fuel emissions contribute to global warming. The production and disposal of the materials used in aircrafts too. The current metallic alloys present in the hot section of engines pose constraints in terms of temperature,…

Applied Physics · Physics 2021-11-24 Jie Sheng Chan , Hortense Le Ferrand

A complex study of aging kinetics for both coarse-grained and nanostructured by severe plastic deformation Cu -- 2 wt% Be alloy is reported. It is shown that aging of a coarse-grained alloy leads to continuous formation of nanosized CuBe…

Materials Science · Physics 2020-05-12 Ivan Lomakin , Miguel Castillo-Rodríguez , Xavier Sauvage

The Ni-based superalloy Alloy 718 is used in aircraft engines as high-pressure turbine discs and must endure challenging demands on high-temperature yield strength, creep-, and oxidation-resistance. Nanoscale $\gamma^{\prime}$- and…

Materials Science · Physics 2021-03-05 F. Theska , K. Nomoto , F. Godor , B. Oberwinkler , A. Stanojevic , S. P. Ringer , S. Primig

Future human-based exploration of our solar system requires the invention of materials that can resist harsh environments. Age-hardenable aluminium alloys would be attractive candidates for structural components in long-distance…

The paper presents a decision support system for the long-term preservation of aeronautical heritage exhibited/stored in sheltered sites. The aeronautical heritage is characterized by diverse materials of which this heritage is constituted.…

Systems and Control · Electrical Eng. & Systems 2025-05-22 Michal Kuchař , Jaromír Fišer , Cyril Oswald , Tomáš Vyhlídal

In many common Al-Mg-Si alloys (6000 series) intermediate storage at or near 'room temperature' after solutionising leads to pronounced changes of the precipitation kinetics during the ensuing artificial ageing step at \approx 180{\deg}C.…

Materials Science · Physics 2012-08-23 J. Banhart , M. Liu , Y. Yan , Z. Liang , C. S. T. Chang , M. Elsayed , M. D. H. Lay

The influence of hydrogen on the structural evolutions of an Al-Mg-Si alloy during natural and artificial ageing was investigated experimentally. The aim of the study was a better understanding of interactions between hydrogen and…

Materials Science · Physics 2022-03-01 Guillaume Hachet , X Sauvage

Al-Mg-Si alloys with total solute contents ranging from 0.8 to 1.4 wt.% were solutionised, quenched and then artificially aged (AA) at 180 {\deg}C, after which positron annihilation lifetime spectroscopy was applied to obtain information…

Materials Science · Physics 2020-07-01 Mazen Madanat , Meng Liu , Xingpu Zhang , Qianning Guo , Jakub Čížek , John Banhart

Additively manufactured high strength aluminium alloy AA7075 was prepared using selective laser melting. High strength aluminium alloys prepared by selective laser melting have not been widely studied to date. The evolution of…

Ultrafine-grained aluminum alloys offer interesting multifunctional properties with a combination of high strength, low electrical resistivity, and low density. However, due to thermally induced grain coarsening, they typically suffer from…

Aging behavior is an important effect in the friction properties of solid surfaces. In this paper we investigate the temporal evolution of the static properties of a granular medium by studying the aging over time of the maximum stability…

Soft Condensed Matter · Physics 2009-11-07 F. Restagno , C. Ursini , H. Gayvallet , E. Charlaix

We examine precipitate-induced dynamic strain aging in precipitation-hardened Al-Cu alloys by combining atomistic simulations, kinetic Monte Carlo, and analytical rate theory. Atomistic simulations were used to characterize (1) the…

Materials Science · Physics 2026-04-08 Sahar Choukir , Derek Warner

The aging of a nanocrystalline equiatomic ZnSe alloy produced by mechanical alloying was investigated using X-ray diffraction (XRD) and differential scanning calorimetry (DSC) techniques. The measured XRD patterns showed that Se atoms…

Materials Science · Physics 2009-11-07 K. D. Machado , J. C. de Lima , T. A. Grandi , C. E. M. de Campos , A. A. M. Gasperini

The effect of Mg content on the natural ageing of Al-Cu-Li-(Mg) alloys has been investigated on a compositionally graded material made by linear friction welding, allowing to probe Mg contents between 0 and 0.4 at.%. High throughput…

Materials Science · Physics 2018-06-22 R. Ivanov , A. Deschamps , Frédéric De Geuser

The brittleness of an aluminide diffusion coating protecting a Ren\'e 125 Ni-based polycrystalline superalloy was investigated over a wide range of temperatures in its as-received and thermally aged form. Isothermal and thermal cycled aging…

Time delay can have a significant impact on the properties of collective organization of active matter. In the previous paper [1], we discussed delay-induced breathing in a system of swarmalators - a model coupling particles' internal…

Statistical Mechanics · Physics 2025-08-12 Chanin Kumpeerakij , Thiparat Chotibut , Oleg Kogan

Nanoindentation is a powerful tool capable of providing fundamental insights of material elastic and plastic response at the nanoscale. Alloys at nanoscale are particularly interesting as the local heterogeneity and deformation mechanism…

The decomposition process mechanisms have been investigated in a Fe50Au25Pd25 (at.%) alloy processed by severe plastic deformation. Phases were characterized by X-ray diffraction and microstructures were observed using transmission electron…

Materials Science · Physics 2009-01-12 Xavier Sauvage , Abdelahad Chbihi , Dmitry Gunderov , E. V. Belozerov , A. G. Popov

The effects of ageing at 800 $^\circ$C on the properties of the IRIS alloy (Ti$_{49.9}$Al$_{48}$W$_2$B$_{0.1}$) are studied. The initial microstructure of this alloy densified by Spark Plasma Sintering (SPS) is mainly composed of lamellar…

The observation of sub-grained cellular features in additively manufactured (AM)/selectively laser melted (SLM) 316L stainless steel components has remained an interesting, though incompletely understood phenomenon. However, the recently…

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