Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Eduard Hryha"'
Publikováno v:
Metals, Vol 14, Iss 8, p 914 (2024)
Vanadis 4E (V4E) is a powder metallurgical cold work tool steel predominantly used in application with demand for wear resistance, high hardness, and toughness. It is of interest to have a processing route that enables full density starting from clea
Externí odkaz:
https://doaj.org/article/51b26b9746ee45619fa7646642a038c3
Autor:
Alberto Cabo Rios, Tatiana Mishurova, Laura Cordova, Mats Persson, Giovanni Bruno, Eugene Olevsky, Eduard Hryha
Publikováno v:
Materials & Design, Vol 238, Iss , Pp 112690- (2024)
Efficient density evolution during sintering of the as-printed component is vital to reach full densification and required properties of binder jet (BJT) components. However, due to the high porosity and brittle nature of the green compact, analysis
Externí odkaz:
https://doaj.org/article/0363662cbef74ee0842812bcb4967907
Publikováno v:
European Journal of Materials, Vol 2, Iss 1, Pp 202-221 (2022)
To date, the effects of powder properties, both physical and chemical, on the printed properties of as-built components is still a topic that is poorly understood. A contributing factor is the lack of relevant methods for evaluating the rheological p
Externí odkaz:
https://doaj.org/article/0ea8eb213bd149b4a7042d9aa1685260
Autor:
Camille Pauzon, Steven Van Petegem, Eduard Hryha, Cynthia Sin Ting Chang, Samy Hocine, Helena Van Swygenhoven, Charlotte de Formanoir, Sophie Dubiez-Le Goff
Publikováno v:
European Journal of Materials, Vol 2, Iss 1, Pp 422-435 (2022)
The utilisation of helium as process gas in laser powder bed fusion limits the generation of Ti-6Al-4V hot and incandescent spatters and enhances their cooling rate. In the present study, operando X-ray diffraction using synchrotron X-rays permits to
Externí odkaz:
https://doaj.org/article/b445c2fb29ad40409168c98f681dc77a
Publikováno v:
European Journal of Materials, Vol 0, Iss 0, Pp 1-19 (2022)
Additive manufacturing (AM) by laser powder bed fusion (LPBF) involves melting of layers of powder onto a substrate, called a building platform. Due to cost or convenience considerations, building platform materials rarely match the LPBF material, es
Externí odkaz:
https://doaj.org/article/de9a2afa341a4ea19a3b040ab45c64f3
Autor:
Bharat Mehta, Tatiana Mishurova, Sergei Evsevleev, Henning Markötter, Giovanni Bruno, Eduard Hryha, Lars Nyborg, Eero Virtanen
Publikováno v:
Materials & Design, Vol 226, Iss , Pp 111602- (2023)
This study addressed a 7017 Al-alloy tailored for powder bed fusion – laser beam (PBF-LB) process. The alloy was prepared by mixing 3 wt% Zr and 0.5 wt% TiC powder to standard pre-alloyed 7017 grade aluminium powder. This made printing of the alloy
Externí odkaz:
https://doaj.org/article/587014f02e454dc4a6eeafde333345e3
Autor:
William Hearn, Eduard Hryha
Publikováno v:
Frontiers in Materials, Vol 8 (2022)
The present study examines the processability of Fe-C alloys, with carbon contents up to 1.1 wt%, when using laser based powder bed fusion (LB-PBF). Analysis of specimen cross-sections revealed that lack of fusion porosity was prominent in specimens
Externí odkaz:
https://doaj.org/article/d2a1111229bd4e42a1156696e5f1d615
Publikováno v:
Results in Materials, Vol 12, Iss , Pp 100232- (2021)
The fabrication of gamma prime (γ′) strengthened nickel-based superalloys by additive manufacturing (AM) techniques is of huge interest from the industrial and research community owing to their excellent high-temperature properties. The effect of
Externí odkaz:
https://doaj.org/article/84b93a8261444641a75b5e5fd2719176
Publikováno v:
Materials & Design, Vol 212, Iss , Pp 110176- (2021)
Laser-based powder bed fusion (PBF-LB/M) is a well-established additive manufacturing (AM) process capable of producing high quality parts with excellent mechanical properties. Industrial applications of additively manufactured parts require the usag
Externí odkaz:
https://doaj.org/article/d923e012bacc46218ac22631b3646fb2
Publikováno v:
Materials, Vol 15, Iss 24, p 8925 (2022)
In laser powder bed fusion (L-PBF), most powders are not melted in the chamber and collected after the printing process. Powder reuse is appreciable without sacrificing the mechanical properties of target components. To understand the influences of p
Externí odkaz:
https://doaj.org/article/df4bcd7dfb844bc8ae0b5a60878feb09