L
L. Allais
Researcher at French Alternative Energies and Atomic Energy Commission
Publications - 15
Citations - 290
L. Allais is an academic researcher from French Alternative Energies and Atomic Energy Commission. The author has contributed to research in topics: Creep & Intergranular corrosion. The author has an hindex of 8, co-authored 15 publications receiving 266 citations.
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Macroscopic results of long-term creep on a modified 9Cr–1Mo steel (T91)
TL;DR: In this paper, the Monkman-Grant relationship between minimum creep rates and time to fracture holds for a wide range of temperatures and applied stresses and it is observed that there is a clear change in creep mechanism from power-law creep to viscous creep.
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Creep-fatigue behaviour of an AISI stainless steel at 550 °C
TL;DR: In this paper, the authors used TEM observations and stress partitioning into kinematic, isotropic and thermal stresses to predict the lifetime of liquid metal fast breeder Reactors.
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Mechanisms of stress relief cracking in titanium stabilised austenitic stainless steel
TL;DR: In this paper, the effects of work hardening and aging on Ti(C,N) precipitation, on the mechanical (hardness, tensile and creep) behaviour of the simulated HAZs and on their sensitivity to intergranular crack propagation through stress relaxation tests performed on pre-cracked CT type specimens tested at 600 °C.
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Ultrasonic measurement of anisotropy and temperature dependence of elastic parameters by a dry coupling method applied to a 6061-T6 alloy
TL;DR: A pulse-echo ultrasonic method is presented to measure elastic parameter variations during thermal loading with high accuracy and the anisotropy of this aluminium between the rolling direction and two orthogonal axes has been clearly detected and also measured versus temperature.
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Effect of pre-strain on creep of three AISI 316 austenitic stainless steels in relation to reheat cracking of weld-affected zones
TL;DR: In this paper, the authors examined the effect of microstructural modifications induced by welding of 316 stainless steels and their effect on creep properties and relaxation crack propagation and found that the reheat cracking risk increases with both residual stress triaxiality and pre-strain.