Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ilkka Poutiainen"'
Autor:
Shahriar Afkhami, Mohsen Amraei, Ilkka Poutiainen, Leroy Gardner, Heidi Piili, M. Ahmer Wadee, Antti Salminen, Timo Björk
Publikováno v:
Data in Brief, Vol 46, Iss , Pp 108857- (2023)
The data available in this article include 3D mechanical designs used for the computer-aided fabrication of metal honeycombs produced by additive manufacturing and studied in [1]. In addition, the force-displacement data utilized to evaluate the mech
Externí odkaz:
https://doaj.org/article/4f676c49c6e74d5abeadc6a705e0ac7a
Publikováno v:
Applied Sciences, Vol 7, Iss 12, p 1276 (2017)
Laser welding of thick plates in production environments is one of the main applications of high power lasers; however, the process has certain limitations. The small spot size of the focused beam produces welds with high depth-to-width aspect ratio
Externí odkaz:
https://doaj.org/article/b837b90d775d4cc5a347796dbba4bc79
Publikováno v:
Procedia Structural Integrity. 38:393-400
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99789afe2a7c00cf50fa503338143198
https://doi.org/10.1016/j.prostr.2022.03.040
https://doi.org/10.1016/j.prostr.2022.03.040
Publikováno v:
Applied Sciences; Volume 7; Issue 12; Pages: 1276
Applied Sciences, Vol 7, Iss 12, p 1276 (2017)
Applied Sciences, Vol 7, Iss 12, p 1276 (2017)
Laser welding of thick plates in production environments is one of the main applications of high power lasers; however, the process has certain limitations. The small spot size of the focused beam produces welds with high depth-to-width aspect ratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d24c7b6795972bb6833538da1dc4c580
Publikováno v:
Metallurgical and Materials Transactions B. 46:2129-2136
Dependency of laser pulse length on the effectiveness of laser engraving 304 stainless steel with nanosecond pulses was investigated. Ytterbium fiber laser with pulse lengths from 4 to 200 ns was used at a constant average power of 20 W. Measured cri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27bf5b0eea7772f97534c5651740318a
https://doi.org/10.1007/s11663-015-0415-x
https://doi.org/10.1007/s11663-015-0415-x
Publikováno v:
Physics Procedia. 78:45-52
In this paper, a study of laser-arc hybrid welding featuring three different process fibres was conducted to build knowledge about process behaviour and discuss potential benefits for improving the weld properties. The welding parameters affect the w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de7e8f00b547ef4f5acd0dfc57a40fab
Publikováno v:
Physics Procedia. 56:497-506
Fillet weld is the predominant weld type used for connecting different elements e.g. in shipbuilding, offshore and bridge structures. One of prevalent research questions is the structural integrity of the welded joint. Post weld improvement technique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4319d5c3aca6f916e173832261fecec5
https://doi.org/10.1016/j.phpro.2014.08.004
https://doi.org/10.1016/j.phpro.2014.08.004
Autor:
Gary Marquis, Ilkka Poutiainen
Publikováno v:
International Journal of Fatigue. 28:1037-1046
This paper presents a method for extending the structural stress method as defined in design guidance documents for fatigue assessment of welded plate-type structures. The conventional structural stress approach is not sensitive to plate thickness an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4a2e78ee3aefc320f20ec3db7e2280b
https://doi.org/10.1016/j.ijfatigue.2005.11.007
https://doi.org/10.1016/j.ijfatigue.2005.11.007
Publikováno v:
International Journal of Fatigue. 26:1147-1157
Three methods for determining the structural hot spot stress for fatigue analysis of welded structures are presented. These include linear surface extrapolation (LSE), through thickness at the weld toe (TTWT), and the Dong method. The methods were ap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0db9bf7b20346e9a29541a2c645af10c
https://doi.org/10.1016/j.ijfatigue.2004.04.003
https://doi.org/10.1016/j.ijfatigue.2004.04.003
Publikováno v:
Salminen, A, Farrokhi, F, Unt, A & Poutiainen, I 2016, ' Effect of optical parameters on fiber laser welding of ultrahigh strength steels and weld mechanical properties at subzero temperatures ', Journal of Laser Applications, vol. 28, no. 2, 022415 . https://doi.org/10.2351/1.4943914
The recently developed direct-quenched ultrahigh strength steels have a combination of high tensile strength and toughness properties at subzero temperatures down to -80°C. The low carbon content of the material is beneficial for weldability. Modern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96a2cf186cb3d33b04ca004713deb1e4
https://doi.org/10.2351/1.4943914
https://doi.org/10.2351/1.4943914