Search Results - "Poulain, Régis"

Extra-high oxygen addition as a new strengthening strategy to overcome strength/ductility trade-off in fully biocompatible hexagonal titanium alloys by Poulain, Régis, Delannoy, Stéphanie, Couzinié, Jean-Philippe, Guillot, Ivan, Clouet, Emmanuel, Prima, Frédéric

“…A new titanium alloy family was developed aiming at creating a fully biocompatible alternative to titanium alloys currently on the dental implants market…”
Get full text

Oxygen-induced decomposition of the body-centered cubic HfNbTaTiZr high-entropy alloy by Poulain, Régis, Rajkowski, Maik, Zhao, Yujun, Gemagami, Parham, Appolaire, Benoît, Laube, Stephan, Kauffmann, Alexander, Perrière, Loïc, Couzinié, Jean-Philippe, Li, Tong, Laplanche, Guillaume

“…The factors affecting the stability of an initially single-phase body-centered cubic (BCC) HfNbTaTiZr solid solution are investigated by heat treatments at 900…”
Get full text

Influence of chemical composition on coarsening kinetics of coherent L12 precipitates in FCC complex concentrated alloys by Rieger, Thomas, Joubert, Jean-Marc, Poulain, Régis, Sauvage, Xavier, Paccou, Elie, Perrière, Loïc, Guillot, Ivan, Dirras, Guy, Laplanche, Guillaume, Laurent-Brocq, Mathilde, Couzinié, Jean-Philippe

“…In this study, we report the experimental coarsening kinetics at 850, 900 and 950 °C of four complex concentrated alloys in the Al–Ti–Cr–Fe–Co–Ni senary system…”
Get full text

Stacking fault energy, thermal expansion behavior, and elastic coefficients of a single-crystalline CrFeNi medium-entropy alloy by Rajkowski, Maik, Parsa, Alireza Basir, Tirunilai, Aditya Srinivasan, Münchhalfen, Marie, Schreuer, Jürgen, Poulain, Régis, Couzinié, Jean-Philippe, Laplanche, Guillaume

“…The equiatomic CrFeNi alloy is considered to be a model single-phase face-centered cubic medium-entropy alloy. The Bridgman technique was employed to grow a…”
Get full text

An improved combination of tensile strength and ductility in titanium alloys via oxygen ordering by Amann, F., Poulain, R., Delannoy, S., Couzinié, J.P., Clouet, E., Guillot, I., Prima, F.

“…Oxygen content has always been limited in commercial titanium and titanium alloys due to its propensity to induce a severe ductility loss. Yet, its effect on…”
Get full text

First experimental evidence of oxygen ordering in dilute titanium–oxygen alloys by Poulain, Régis, Delannoy, Stéphanie, Guillot, Ivan, Amann, Fabienne, Guillou, Raphaëlle, Lartigue-Korinek, Sylvie, Thiaudière, Dominique, Béchade, Jean-Luc, Clouet, Emmanuel, Prima, Frédéric

“…Small addition of oxygen is currently used to improve the mechanical properties of titanium. It has been thought, until now, that oxygen fully dissolves in the…”
Get full text

Impact of oxygen ordering on titanium lattice parameters by Noutack, Martin S. Talla, Amann, Fabienne, Nowak, Sophie, Poulain, Régis, Guillou, Raphaëlle, Delannoy, Stéphanie, Guillot, Ivan, Prima, Frédéric, Clouet, Emmanuel

“…Phys. Rev. Mater. 8, 013607 (2024) Variations with oxygen concentration of titanium lattice parameters are obtained by means of ab initio calculations,…”
Get full text

First experimental evidence of oxygen ordering in dilute titanium-oxygen alloys by Poulain, Régis, Delannoy, Stéphanie, Guillot, Ivan, Amann, Fabienne, Guillou, Raphaelle, Lartigue-Korinek, Sylvie, Thiaudière, Dominique, Bechade, Jean-Luc, Clouet, Emmanuel, Prima, Frédéric

“…Small addition of oxygen is currently used to improve the mechanical properties of titanium. It has been thought, until now, that oxygen fully dissolves in the…”
Get full text

From single phase to dual-phase TRIP-TWIP titanium alloys for the improvement of the yield strength by Lilensten, Lola, Danard, Yolaine, Poulain, Régis, Guillou, Raphaëlle, Joubert, Jean-Marc, Perrière, Loïc, Vermaut, Philippe, Thiaudière, Dominique, Prima, Frédéric

“…Aiming at increasing the yield strength of transformation and twinning induced plasticity (TRIP and TWIP) titanium alloys, a dual-phase $\alpha$/$\beta$ alloy…”
Get full text

Accommodation mechanisms in strain-transformable titanium alloys by Danarda, Yolaine, Martin, Guilhem, Lilensten, Lola, Sun, Fan, Seret, Anthony, Poulain, Régis, Mantri, Srinivas, Guillou, Raphaëlle, Thiaudière, Dominique, von Thüngen, Immanuel Freiherr, Galy, Daniel, Piellard, Michaël, Bozzolo, Nathalie, Banerjee, Raj, Prima, Frédéric

“…A new $\beta$-metastable Ti-alloy is designed with the aim to obtain a TWIP alloy but positioned at the limit between the TRIP/TWIP and the TWIP dominated…”
Get full text

First experimental evidence of oxygen ordering in dilute titanium-oxygen alloys by Poulain, Régis, Delannoy, Stéphanie, Guillot, Ivan, Amann, Fabienne, Guillou, Raphaëlle, Lartigue-Korinek, Sylvie, Thiaudière, Dominique, Béchade, Jean-Luc, Clouet, Emmanuel, Prima, Frédéric

“…Small addition of oxygen is currently used to improve the mechanical properties of titanium. It has been thought, until now, that oxygen fully dissolves in the…”
Get full text