Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Gunnel Fredriksson"'
Autor:
Pavel Krakhmalev, Gunnel Fredriksson, Krister Svensson, Igor Yadroitsev, Ina Yadroitsava, Mattias Thuvander, Ru Peng
Publikováno v:
Metals, Vol 8, Iss 8, p 643 (2018)
This article overviews the scientific results of the microstructural features observed in 316 L stainless steel manufactured by the laser powder bed fusion (LPBF) method obtained by the authors, and discusses the results with respect to the recently
Externí odkaz:
https://doaj.org/article/ef20a86ef4684d85b4077f63c6c410f0
Autor:
Oliver Hentschel, Pavel Krakhmalev, Gunnel Fredriksson, Jon Olsèn, Aydin Selte, Michael Schmidt
Publikováno v:
Journal of Materials Processing Technology. 315:117928
Due to high productivity, additive manufacturing (AM), and especially Directed Energy Deposition using laser and metallic powder (DED-LB/M) is attractive for manufacturing tools with integrated functionalities. This investigation was dedicated to DED
Publikováno v:
Procedia CIRP. 94:222-226
The quality of the surface influences remarkably the fatigue life of additive manufactured components. This work proposes to study the influence of surface integrity on the bending fatigue life of Ti6Al4V manufactured by laser powder bed fusion. Rect
Publikováno v:
Optics & Laser Technology. 109:608-615
The influence of a stress-relief treatment on impact and fatigue properties of Ti6Al4V ELI samples manufactured by laser powder bed fusion was analyzed. The heat treatment resulted in removal of residual stresses, coarsening of needles and formation
Publikováno v:
Materials Science and Engineering: A. 742:584-589
Additive manufacturing (AM) is an attractive manufacturing technology in tooling applications. It provides unique opportunities to manufacture tools with complex shapes, containing inner channels for conformal cooling. In this investigation, H13, a w
Autor:
P. Bertrand, A.M. Vilardell, A. Sova, D. Valentin, Gunnel Fredriksson, Pavel Krakhmalev, Frédéric Cabanettes
Publikováno v:
Procedia CIRP. 74:49-52
This article deals with the understanding of the influence of surface topography on fatigue behavior of Ti6Al4V alloy specimens produced by laser powder bed fusion (LPBF). The same laser parameters and scan strategy were used for all specimens, givin
Autor:
Mattias Thuvander, G. Maistro, Gunnel Fredriksson, Mikael Åsberg, A. Martin Vilardell, Anna Medvedeva, C. Oikonomou, Pavel Krakhmalev, N. V. Kazantseva
Publikováno v:
Materials Science and Engineering: A. 772:138699
Microstructure and properties of as-built laser powder bed fusion (LPBF) steels differ from the conventional ones, and they may contain some porosity and lack of fusion. Therefore, post-treatments, including hot isostatic pressing (HIP), are used to
Autor:
Krister Svensson, Mattias Thuvander, Ina Yadroitsava, Pavel Krakhmalev, Igor Yadroitsev, Ru Peng, Gunnel Fredriksson
Publikováno v:
Metals, Vol 8, Iss 8, p 643 (2018)
This article overviews the scientific results of the microstructural features observed in 316 L stainless steel manufactured by the laser powder bed fusion (LPBF) method obtained by the authors, and discusses the results with respect to the recently
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::900648661be3733518432d673259a5d6
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-151057
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-151057
Publikováno v:
Materials & Design, Vol 87, Iss, Pp 380-385 (2015)
The article explores an evolution of a microstructure in AISI 420 martensitic stainless steel during selective laser melting. Several upper layers had hardness of 750 HV and contained 21 ± 12 vol.% austenite phase. The final bulk microstructure cons
Publikováno v:
South African Journal of Industrial Engineering, Volume: 28, Issue: 1, Pages: 12-19, Published: MAY 2017
South African Journal of Industrial Engineering, Vol 28, Iss 1, Pp 12-19 (2017)
South African Journal of Industrial Engineering, Vol 28, Iss 1, Pp 12-19 (2017)
To remove residual stresses, an as-built SLM object is usually post-treated. This treatment can affect the microstructure, changing the final mechanical characteristics. This investigation is focused on the microstructural characterisation of 316L au
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7105c11f181226256f7a04eedfe0ff4
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2224-78902017000100003&lng=en&tlng=en
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2224-78902017000100003&lng=en&tlng=en