Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Hervé Couque"'
Autor:
Kei Ameyama, Fabien Cazes, Hervé Couque, Guy Dirras, Shoichi Kikuchi, Jia Li, Frédéric Mompiou, K. Mondal, Dmytro Orlov, Bhupendra Sharma, David Tingaud, Sanjay K. Vajpai
Publikováno v:
Materials Research Letters, Vol 10, Iss 7, Pp 440-471 (2022)
The harmonic structure is a recently introduced concept paving the way for engineering metallic materials to achieve excellent mechanical performance. They consist of soft coarse-grained regions (Core) that are three-dimensionally surrounded by a con
Externí odkaz:
https://doaj.org/article/641d9dbe7a8f4082a326593fa1a71f3f
Autor:
Mathias Moser, Sarah Dine, Dominique Vrel, Loïc Perrière, Rémy Pirès-Brazuna, Hervé Couque, Frédéric Bernard
Publikováno v:
Materials, Vol 15, Iss 15, p 5416 (2022)
This work concerns the sintering of tungsten-based (i.e WMoTaNb) high entropy alloy (HEA) powders using the spark plasma sintering (SPS) technique and their mechanical properties. The synthesis was performed by a self-propagating high-temperature syn
Externí odkaz:
https://doaj.org/article/7b23036636d042ef9cfa331ddad3d0a2
Autor:
Mathias Moser, Sylvain Lorand, Florian Bussiere, Frédéric Demoisson, Hervé Couque, Frédéric Bernard
Publikováno v:
Metals, Vol 10, Iss 7, p 948 (2020)
Due to molybdenum’s Body-Centered Cubic (BCC) crystalline structure, its ductile–brittle transition temperature is sensitive to shaping, purity and microstructure. Dense molybdenum parts are usually shaped by the powder metallurgy process. The ai
Externí odkaz:
https://doaj.org/article/22c224ed210043afbc0c9b6bdb5a99d4
Autor:
Bernard, Mathias Moser, Sarah Dine, Dominique Vrel, Loïc Perrière, Rémy Pirès-Brazuna, Hervé Couque, Frédéric
Publikováno v:
Materials; Volume 15; Issue 15; Pages: 5416
This work concerns the sintering of tungsten-based (i.e WMoTaNb) high entropy alloy (HEA) powders using the spark plasma sintering (SPS) technique and their mechanical properties. The synthesis was performed by a self-propagating high-temperature syn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=multidiscipl::7854f7c5e677057e07e45fcd63f0dcbe
Autor:
Remi Boulanger, Itamar Gutman, Hervé Couque, Florian Bussiere, François Barthelemy, Yuri Khoptiar, Frédéric Bernard, Foad Naimi
Publikováno v:
EPJ Web of Conferences, Vol 250, p 03014 (2021)
The influence of strain rate on the mechanical response of two different nanostructured pure coppers was investigated under uniaxial compression. The first nanostructured copper was elaborated by powder metallurgy using the Spark Plasma Sintering (SP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca0d12b128d5d5fe0e7353cd222bd95d
https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_03014.pdf
https://www.epj-conferences.org/articles/epjconf/pdf/2021/04/epjconf_dymat2021_03014.pdf
Autor:
Hervé Couque
Publikováno v:
Procedia Engineering. 197:176-184
Dynamic fracture strength of tungsten alloys generated with a round bar Charpy specimen impacted at velocity ranging from 25 to 160 m/s has been reported to increase with loading rate. For as sintered alloys, the Charpy energy reached 1150 J/cm 2 at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d618122fafb16fa646284472f066fbb
https://doi.org/10.1016/j.proeng.2017.08.094
https://doi.org/10.1016/j.proeng.2017.08.094
Autor:
Olivier Heintz, Foad Naimi, Frédéric Bernard, Thomas Tricone, Arnaud Bolsonella, Hervé Couque
Publikováno v:
Journal of Alloys and Compounds. 856:157869
Starting from micrometric pure nickel powder, high-energy ball milling process allows to produce nanostructured agglomerate powders associated with both a decrease of crystallite size and an increase of structural defects. With the help of a fast sin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::831003a678f06504ccc21c8e09252c1b
https://doi.org/10.1016/j.jallcom.2020.157869
https://doi.org/10.1016/j.jallcom.2020.157869
Publikováno v:
Mechanics of Materials
Mechanics of Materials, Elsevier, 2016, 100, pp.126-147. ⟨10.1016/j.mechmat.2016.06.012⟩
Mechanics of Materials, Elsevier, 2016, 100, pp.126-147. ⟨10.1016/j.mechmat.2016.06.012⟩
Spark Plasma Sintering is a non-conventional process of the powder metallurgy field which uses a high electrical current to rapidly produce fully dense materials. In the present paper, a thermal-electrical-mechanical model developed on ABAQUS Softwar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0663219d51ed970b67334ba1eb66ad5
https://doi.org/10.1016/j.mechmat.2016.06.012
https://doi.org/10.1016/j.mechmat.2016.06.012
Autor:
Hervé Couque
Publikováno v:
Applied Mechanics and Materials. 566:73-79
The influence of strain rate over domains involving the thermal activation and the viscous drag behavior of the dislocations has been investigated for a series of face centered cubic metals. The effect of grain size on the strain rate threshold delim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc57cfa8031124b98b927a043a2a2a00
https://doi.org/10.4028/www.scientific.net/amm.566.73
https://doi.org/10.4028/www.scientific.net/amm.566.73
Advances in the characterization, modelling and simulation of materials subjected to dynamic loading
Publikováno v:
The European Physical Journal Special Topics. 227:1-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c3fb9d8b3ee673126b2108c25e2bf79
https://doi.org/10.1140/epjst/e2018-00106-3
https://doi.org/10.1140/epjst/e2018-00106-3