Zobrazeno 1 - 10
of 132
pro vyhledávání: '"Guy Dirras"'
Autor:
Benjamin Guennec, Amine Hattal, Kentaro Nagano, Azziz Hocini, Kamilla Mukhtarova, Takahiro Kinoshita, Noriyo Horikawa, Hiroshi Fujiwara, Jenő Gubicza, Madjid Djemaï, Guy Dirras
Publikováno v:
Data in Brief, Vol 54, Iss , Pp 110283- (2024)
The data presented here aim to show how to analyze crack propagation of a novel metallic matrix composite of Ti-6Al-4V reinforced with 1 wt.% nano-yttria-stabilized zirconia processed by laser powder bed fusion technology. The data was acquired via m
Externí odkaz:
https://doaj.org/article/50ce769324ff4592a84adb002906ad8e
Autor:
Benoît Fer, David Tingaud, Jenő Gubicza, Nguyen Quang Chinh, Yulin Hao, Fabien Cazes, Frédéric Prima, Guy Dirras
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 1260-1275 (2023)
Processing heterogeneous microstructures, especially the so-called harmonic structures consisting of soft core and hard shell regions, is an efficient way to achieve a strength-ductility trade-off in classical metallurgy. In this study, two harmonic
Externí odkaz:
https://doaj.org/article/ae710796112c4b6282b6fe8ddca1deb9
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:
Amine Hattal, Kamilla Mukhtarova, Madjid Djemai, Thierry Chauveau, Azziz Hocini, Jean Jacques Fouchet, Brigitte Bacroix, Jenő Gubicza, Guy Dirras
Publikováno v:
Materials & Design, Vol 214, Iss , Pp 110392- (2022)
This study discusses the effects of hot isostatic pressing (HIP) post-treatment on Laser Powder Bed Fusion of Ti6Al4V and Ti6Al4V reinforced with 1 wt% and 2.5 wt% of nano-yttria-stabilized zirconia (nYSZ). The bulk parts display a higher density aft
Externí odkaz:
https://doaj.org/article/7508f217d5c64f92922e0bc592b4f70f
Autor:
Ivan Guillot, Muriel Tyrman, Loic Perrière, Jean-Philippe P. Couzinié, Lola Lilensten, Frédéric Prima, Guy Dirras
Publikováno v:
Frontiers in Materials, Vol 7 (2020)
A metallurgical methodology has been set up in order to design alloys with improved mechanical properties such as strength–ductility trade-off, via improved strain hardening. To this end, a multi-concept approach including high-entropy alloys (HEAs
Externí odkaz:
https://doaj.org/article/29fc3cf07d7341c8bb0543fbee4e6304
Autor:
Amine Hattal, Thierry Chauveau, Madjid Djemai, Jean Jacques Fouchet, Brigitte Bacroix, Guy Dirras
Publikováno v:
Data in Brief, Vol 29, Iss , Pp - (2020)
Ti6Al4V reinforced by nano yttria-stabilized zirconia (nYSZ) addition parts were manufactured via selective laser additive manufacturing. A research paper entitled “Effect of nano-yttria stabilized zirconia addition on the microstructure and mechan
Externí odkaz:
https://doaj.org/article/f7bbdc445e6d4bb9973a9bdbec92eeab
Autor:
Eric Hug, Guy Dirras
Publikováno v:
Metals, Vol 11, Iss 8, p 1216 (2021)
Compared with traditional casting or plastic deformation processes, powder metallurgy-based methods are versatile routes for producing in-demand microstructures of various types [...]
Externí odkaz:
https://doaj.org/article/4f0805d1d524499faedd9fbdaebbe930
Publikováno v:
Data in Brief, Vol 11, Iss C, Pp 61-67 (2017)
Data regarding bulk polycrystalline nickel samples obtained by powder metallurgy using Spark Plasma Sintering (SPS) are presented, with a special emphasis on the influence of a cold isostatic pre-compaction on the resulting morphologies and subsequen
Externí odkaz:
https://doaj.org/article/5658bc39c52047149a7ab4a8a383e018
Autor:
Lola Lilensten, Jean-Philippe Couzinié, Julie Bourgon, Loïc Perrière, Guy Dirras, Frédéric Prima, Ivan Guillot
Publikováno v:
Materials Research Letters, Vol 5, Iss 2, Pp 110-116 (2017)
A new bcc Ti-rich high-entropy alloy (HEA) of composition Ti35Zr27.5Hf27.5Nb5Ta5 was designed using the ‘d-electron alloy design’ approach. The tensile behavior displays a marked transformation-induced plasticity effect resulting in a high normal
Externí odkaz:
https://doaj.org/article/5645e516ec4043378a4f861cd6601aac
Autor:
Amine Hattal, Thierry Chauveau, Madjid Djemai, Jean Jacques Fouchet, Brigitte Bacroix, Guy Dirras
Publikováno v:
Materials & Design, Vol 180, Iss , Pp - (2019)
This study presents the results of selective laser melting (SLM) of Ti6Al4V reinforced with 1% and 2.5% (wt%) nano yttria-stabilized zirconia (nYSZ). The bulk parts showed a very high building density which means that the melting parameters were opti
Externí odkaz:
https://doaj.org/article/95e36cfb6724480585e93ba8e9240667