Patents by Inventor Laurent CHAFFRON

Laurent CHAFFRON has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20180209016
    Abstract: A method for manufacturing a part made from an Al/Al3B48C2 composite material comprising an aluminium matrix in which particles of a mixed carbide of chemical formula Al3B48C2 are dispersed. The method comprises the following steps: a) placing a powder of chemical formula AlB2 in the cavity of a graphite crucible; b) closing the cavity by use of a graphite element; c) heating the crucible to a temperature of at least 960° C. and less than or equal to 1400° C. in order to obtain the formation of precipitates of the mixed carbide of chemical formula Al3B48C2 in liquid aluminium; d) cooling the crucible in order to solidify the liquid aluminium; e) removing the crucible; thereby the part made from Al/Al3B48C2 composite material is obtained.
    Type: Application
    Filed: July 19, 2016
    Publication date: July 26, 2018
    Inventors: Olivier Dezellus, Laurent Chaffron, Jérôme Andrieux, Nassim Samer, Bruno Gardiola
  • Patent number: 9650295
    Abstract: The invention relates to a process for preparing an Al/TiC nanocomposite material comprising an aluminum matrix in which particles comprising nano-sized TiC are dispersed. It comprises: a) preparing a first powder mixture by contacting a graphite powder with a titanium aluminide powder of the formula Al3Ti, both powders having micro- or higher sized particles; b) preparing a second powder mixture by mechanosynthesis of the first powder mixture, the second powder mixture being formed in all or part by particles comprising both titanium aluminide and graphite; c) compressing the second powder mixture to obtain one or more greens; d) reactively sintering the green(s), thereby the Al/TiC nanocomposite material is obtained.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: May 16, 2017
    Assignee: Commissariat à l'énergie atomique et aux énergies alternatives
    Inventors: Laurent Chaffron, Daniel Nunes
  • Publication number: 20150353424
    Abstract: The invention relates to a process for preparing an Al/TiC nanocomposite material comprising an aluminum matrix in which particles comprising nano-sized TiC are dispersed. It comprises: a) preparing a first powder mixture by contacting a graphite powder with a titanium aluminide powder of the formula Al3Ti, both powders having micro- or higher sized particles; b) preparing a second powder mixture by mechanosynthesis of the first powder mixture, the second powder mixture being formed in all or part by particles comprising both titanium aluminide and graphite; c) compressing the second powder mixture to obtain one or more greens; d) reactively sintering the green(s), thereby the Al/TiC nanocomposite material is obtained.
    Type: Application
    Filed: January 9, 2014
    Publication date: December 10, 2015
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Laurent CHAFFRON, Daniel NUNES