This work was undertaken to enhance the current knowledge about the hot deformation of nickel-based superalloys. The main objective was to establish the influence of niobium in solid solution on the behavior of hot working of binary alloys of high purity nickel. For this purpose, different model materials (i.e. Ni-0, 01, 0.1, 1, 2, 5 and 10% Nb + pure Ni) were prepared and hot deformed by torsion test at different temperatures (800, 900 and 1000°C) and strain rates (0,03, 0,1 and 0,3 s-1). This wide range of experimental conditions were found able to determine, in a first step, the basic rheological characteristics and the influence of niobium addition in high purity nickel on the behavior of dynamic recrystallization during hot deformation...
Due to their excellent mechanical properties at temperatures up to 700°C, polycrystalline nickel-bas...
Hot forming is a fundamental technology to obtain good properties in any material, particularly for ...
10International audienceA better understanding of the competition between several mechanisms (dynami...
This work was undertaken to enhance the current knowledge about the hot deformation of nickel-based ...
International audienceAn experimental program was performed to determine the rheology and influence ...
Cooling system of nuclear power plants is constituted of metallic parts obtained by hot forging. Thu...
Nickel-based superalloys possess exceptional mechanical properties and corrosion resistance at high ...
Developed in the 60’s, the nickel-base superalloy, Inconel 718, is widely used for hot parts of airc...
Polycrystalline Nickel-based alloys are widely used as components for rotative parts of jet engines ...
L’Inconel 718 est un superalliage base nickel, élaboré dans les années 60, utilisé dans la fabricati...
Co-encadrement de la thèse : Loïc NazéThis work has investigated the microstructure evolution of nic...
Les alliages à base Nickel polycristallins sont largement utilisés pour les pièces aéronautiques sou...
L'Inconel 718 est un superalliage base-nickel très utilisé pour la fabrication de pièces aéronautiqu...
The hot deformation behaviour of polycrystalline nickel has been characterised in the temperature ra...
The demand for enhanced structural performances materials is growing every year. A lot of technologi...
Due to their excellent mechanical properties at temperatures up to 700°C, polycrystalline nickel-bas...
Hot forming is a fundamental technology to obtain good properties in any material, particularly for ...
10International audienceA better understanding of the competition between several mechanisms (dynami...
This work was undertaken to enhance the current knowledge about the hot deformation of nickel-based ...
International audienceAn experimental program was performed to determine the rheology and influence ...
Cooling system of nuclear power plants is constituted of metallic parts obtained by hot forging. Thu...
Nickel-based superalloys possess exceptional mechanical properties and corrosion resistance at high ...
Developed in the 60’s, the nickel-base superalloy, Inconel 718, is widely used for hot parts of airc...
Polycrystalline Nickel-based alloys are widely used as components for rotative parts of jet engines ...
L’Inconel 718 est un superalliage base nickel, élaboré dans les années 60, utilisé dans la fabricati...
Co-encadrement de la thèse : Loïc NazéThis work has investigated the microstructure evolution of nic...
Les alliages à base Nickel polycristallins sont largement utilisés pour les pièces aéronautiques sou...
L'Inconel 718 est un superalliage base-nickel très utilisé pour la fabrication de pièces aéronautiqu...
The hot deformation behaviour of polycrystalline nickel has been characterised in the temperature ra...
The demand for enhanced structural performances materials is growing every year. A lot of technologi...
Due to their excellent mechanical properties at temperatures up to 700°C, polycrystalline nickel-bas...
Hot forming is a fundamental technology to obtain good properties in any material, particularly for ...
10International audienceA better understanding of the competition between several mechanisms (dynami...