Search Results - "Couret, A"

Impact of β-phase in TiAl alloys on mechanical properties after high temperature air exposure by Sallot, P., Monchoux, J.P., Joulié, S., Couret, A., Thomas, M.

“…In this paper, the influence of high temperature air exposure on the tensile properties at room temperature and on the fatigue strength at high temperature of…”
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Cyclic deformation of TiAl generic microstructures at room and high temperature: Bauschinger effect & strain rate sensitivity by Serrano, P., Toualbi, L., Kanoute, P., Couret, A.

“…The cyclic deformation of four TiAl common microstructures is studied experimentally at room and high temperature. Multilevel and multirate tests are performed…”
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Microstructures and deformation mechanisms of a G4 TiAl alloy produced by spark plasma sintering by Jabbar, H., Monchoux, J.-P., Thomas, M., Couret, A.

“…TiAl alloys are prepared by spark plasma sintering (SPS) using a pre-alloyed powder with the so-called G4 composition (Ti51Al47Re1W1Si0.2). SPS densifications…”
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Refinement of lamellar microstructures by boron incorporation in GE-TiAl alloys processed by Spark Plasma Sintering by Luo, J.S., Voisin, T., Monchoux, J.P., Couret, A.

“…The aim of this study is to check the efficiency of boron in refining lamellar microstructures of TiAl alloys densified by Spark Plasma Sintering…”
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Identification of abuse and dependence cases through a hospital database by Daveluy, A, Miremont-Salamé, G, Kostrzewa, A, Couret, A, Lacoin, L, Lecomte, C, Moore, N, Gilleron, V, Haramburu, F

“…ABSTRACT Computerized hospital databases are used for clinical and economic research. In France, the hospital administrative database, Programme de…”
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A quantitative tem analysis of the lamellar microstructure in TiAl based alloys by ZGHAL, S, NAKA, S, COURET, A

“…The microstructure of lamellar TiAl alloys was analyzed by transmission electron microscopy. Two alloys (a PST crystal and a Ti sub 54 -Al sub 46 alloy) were…”
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Local-regional anesthesia in the management of stingray stings: Experience of the Bouffard medical-surgical hospital in Djibouti by Vanoye, C, Lacroix, G, Le Gonidec, E, Couret, A, Benois, A, Peigne, V

“…Stingray injuries are very painful. Systemic analgesics are ineffective, and the use of local-regional anesthesia has been reported. This retrospective…”
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Application of Spark Plasma Sintering to Titanium Aluminide Alloys by Molénat, G., Thomas, M., Galy, J., Couret, A.

“…An unusual processing route for sintering TiAl was explored: Spark Plasma Sintering. Reproducible and promising mechanical properties were achieved. By its…”
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Dislocation movements controlled by friction forces and local pinning in metals and alloys by Caillard, D., Couret, A.

“…The plasticity of materials is usually controlled by a combination of a small number of elementary dislocation mechanisms. We recall in this article the main…”
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Quantitative TEM study of the precipitation microstructure in aluminium alloy Al(MgSiCu) 6056 T6 by Delmas, F., Casanove, M.J., Lours, P., Couret, A., Coujou, A.

“…The precipitate microstructure in the last-generation aluminium alloy 6056 T6 [AlMgSiCu] is investigated using three complementary techniques of transmission…”
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The activation and the spreading of deformation in a fully lamellar Ti-47 at.% Al-1 at.% Cr-0.2 at.% Si Alloy by Singh, J. B., Molénat, G., Sundararaman, M., Banerjee, S., Saada, G., Veyssière, P., Couret, A.

“…The spreading of deformation in a lamellar Ti-47 at.% Al-1 at.% Cr-0.2 at.% Si alloy deformed under compression is studied at 25°C and 600°C. This…”
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Primary creep at 750 °c in two cast and pm Ti48Al48Cr2Nb2 alloys by MALAPLATE, J, THOMAS, M, BELAYGUE, P, GRANGE, M, COURET, A

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Pinning points anchoring ordinary and Shockley dislocations in TiAl alloys by Zghal, S, Menand, A, Couret, A

“…Pinning points anchoring Shockley dislocations and ordinary dislocations in the γ phase of two TiAl alloys (a single-phase alloy and a lamellar two-phase…”
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Quantitative measurements in in situ straining experiments in transmission electron microscopy by Pettinari, F., Couret, A., Caillard, D., Molénat, G., Clément, N., Coujou, A.

“…Several examples of recent studies by in situ straining experiments in a transmission electron microscope performed in the Toulouse group (France) are…”
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Peierls friction stresses and dynamic strain ageing in TiAl and Fe-30at.% Al alloys by Molénat, G., Couret, A., Caillard, D.

“…In situ straining experiments show microscopic evidence of dynamic strain ageing in TiAl and Fe-30at.% Al, at intermediate temperatures. The multiplication and…”
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In situ straining investigation of slip transfer across α2 lamellae at room temperature in a lamellar TiAl alloy by Singh, J. B., Molénat, G., Sundararaman, M., Banerjee, S., Saada, G., Veyssière, P., Couret, A.

“…Processes by which deformation spreads throughout a lamellar TiAl alloy have been investigated by in situ tensile experiments performed at room temperature in…”
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Transmission electron microscopy study of precipitate morphology and precipitate overcoming processes in aluminum alloy 6056 T6 by Vivas, M., Lours, P., Levaillant, C., Couret, A., Casanove, M.J., Coujou, A.

“…High resolution electron microscopy and in situ straining experiments are performed on aluminum alloy 6056 T6 to charaterize the morphology of precipitates and…”
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Phase transformations in TiAl based alloys by Zghal, Slim, Thomas, Marc, Naka, Shigehisa, Finel, Alphonse, Couret, Alain

“…Microstructural characteristics of a fully lamellar Ti 49Al 47Cr 2Nb 2 alloy have been investigated in different annealed conditions by quantitative…”
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Glide mechanism of ordinary dislocations in the γ phase of TiAl by Couret, Alain

“…Glide mechanism of ordinary dislocations in the γ phase of TiAl alloys is studied by in situ straining experiments. A polar source and several dynamic…”
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In situ straining investigation of slip transfer across α 2 lamellae at room temperature in a lamellar TiAl alloy by Singh, J. B., Molénat, G., Sundararaman, M., Banerjee, S., Saada, G., Veyssière, P., Couret, A.

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