Peening

Applied sciences
Génie chimique
Science des matériaux
Residual stress

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Publications associées (28)

Stress generation during the quenching of large AA2618 forgings: Finite element computations and validation against neutron diﬀraction measurements

Jean-Marie Drezet, Nicolas Paul Henry Chobaut, Denis Carron

Solutionising and quenching are key steps in the fabrication of heat treatable aluminium parts such as AA2618 compressor impellers for turbochargers. Quenching not only dictates the mechanical characteristics of the product but also induces residual stress ...

Elsevier2017

Ab initio Modelling of the Early Stages of Precipitation in Al-6000 Alloys

William Curtin, Michele Ceriotti, Till Junge, Daniele Giofré

Age hardening induced by the formation of (semi)-coherent precipitate phases is crucial for the processing and final properties of the widely used Al-6000 alloys. Early stages of precipitation are particularly important from the fundamental and technologic ...

Elsevier2017

Shear in reinforced concrete without transverse reinforcement : from refined experimental measurements to mechanical models

Francesco Cavagnis

Since the first applications of structural concrete, the shear behaviour of one-way slabs without transverse reinforcement has been largely investigated. Nevertheless, currently in the scientific community there is no general agreement on the mechanisms of ...

EPFL2017

Effects of residual stresses on the tensile fatigue behavior of concrete

Jean-François Molinari, Mauro Corrado

The influence of Eigenstresses due to drying shrinkage on the development of residual deformations characterizing the tensile fatigue behavior of concrete is analyzed. During the loading phase the Eigenstresses are locally released around the cracks induci ...

Pergamon-Elsevier Science Ltd2016

Structural and mechanical properties of Nb-1 (-) xTixN thin films deposited by rf magnetron sputtering

Ayat Karimi, Alireza Karimi, Daniela Dumitriu La Grange

Nb1-xTixNy thin films with different nitrogen contents (0.5 < y < 1.2) and Nb/Ti ratios (0

Elsevier2016

Measurements and Modeling of Stress in Precipitation-Hardened Aluminum Alloy AA2618 during Gleeble Interrupted Quenching and Constrained Cooling

Jean-Marie Drezet, Nicolas Paul Henry Chobaut, Denis Carron

Solutionizing and quenching are the key steps in the fabrication of heat-treatable aluminum parts such as AA2618 compressor impellers for turbochargers as they highly impact the mechanical characteristics of the product. In particular, quenching induces re ...

Springer Verlag2016

Quench induced residual stress prediction in heat treatable 7xxx aluminium alloy thick plates using Gleeble interrupted quench tests

Jean-Marie Drezet, Nicolas Paul Henry Chobaut, Patrick Schloth, Denis Carron

In this paper, a simple but realistic approach is presented to predict the as-quenched residual stress distribution in thick 7xxx aluminium alloy plates. Instead of modelling precipitation that occurs during quenching, a thermo-mechanical model is used who ...

Elsevier2015

Measurements and modelling of residual stresses during quenching of thick heat treatable aluminium components in relation to their precipitation state

Nicolas Paul Henry Chobaut

In the fabrication of heat treatable aluminium parts, solutionising and quenching are key steps in order to obtain the required mechanical characteristics. Fast quenching is necessary to avoid coarse precipitation as this one reduces the mechanical propert ...

EPFL2015

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