Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Jonne Näkki"'
Publikováno v:
Wood Science and Technology. 55:719-739
Graphene nanoplatelets (GNP) are used to produce wood plastic composites (WPC) with improved electrical and thermal conductivity. The polypropylene/wood/GNP hybrid composites are produced by melt compounding followed by hot pressing. The effect of GN
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98a8d4550e7f54ba1b31ed6d0875b4af
https://doi.org/10.1007/s00226-021-01275-9
https://doi.org/10.1007/s00226-021-01275-9
Publikováno v:
Surface Engineering. 32:923-933
Several different tool steel grades were deposited on mild steel by the laser-cladding process with coaxial powder feeding. With bidirectional scanning pattern, most of the grades were deposited crack-free with hardness up to 1000 HV without addition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08a379e525b713af1cf36dc33c8c41f2
https://doi.org/10.1080/02670844.2016.1180496
https://doi.org/10.1080/02670844.2016.1180496
Autor:
T. Peltola, Zuheir Barsoum, Petri Vuoristo, Alexander Kaplan, Minhaj M Alam, Juha Miettinen, J. Poutala, J. Junkala, Jonne Näkki, Jari Tuominen
Publikováno v:
Materials & Design (1980-2015). 46:328-337
Fatigue cracking of laser clad cylindrical and square section bars depends upon a variety of factors. This paper presents Finite Element Analysis (FEA) of the different macro stress fields generate ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::684c99b14ae64df6a8bdcaf384d63826
https://doi.org/10.1016/j.matdes.2012.10.010
https://doi.org/10.1016/j.matdes.2012.10.010
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 27:472-478
Laser coating (laser cladding) is a useful method to produce metal matrix composite (MMC) coatings. The selection of the metallic matrix can be done on the base of the intended application and environment, whereas the additional wear resistance impro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ce8222e82e2dc57f27fe9be16cac075
https://doi.org/10.1016/j.ijrmhm.2008.10.008
https://doi.org/10.1016/j.ijrmhm.2008.10.008
Publikováno v:
Journal of Laser Applications. 29:012014
The general specification of nickel-base alloy 625 is quite permissible allowing relatively large variations in chemical composition. In directed energy deposition processes including laser cladding and additive manufacturing, the powder plays a key
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac0cbe8f58d9c91cc778bfcd6a168790
https://doi.org/10.2351/1.4973673
https://doi.org/10.2351/1.4973673
Publikováno v:
Tampere University
Scopus-Elsevier
Scopus-Elsevier
The effect of impurity or minor alloying elements boron, aluminium and titanium of alloy 625 on laser cladding was studied with hot cracking tests and high speed video imaging. Results show that hot cracking tendency was increased when small amount o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aebd3f0c07f05e37b30b50acd13a39bc
https://doi.org/10.2351/1.5062938
https://doi.org/10.2351/1.5062938
Publikováno v:
Journal of Laser Applications. 28:012011
In the last few years, coaxial laser heads have been developed with centric wire feeding equipment, which enables the laser processing of complex-shaped objects in various applications. These newly developed laser heads are being used particularly in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57a213af74f50d81be5891370275c910
https://doi.org/10.2351/1.4936988
https://doi.org/10.2351/1.4936988
Autor:
Jari Tuominen, Jonne Näkki, Henri Pajukoski, Peltola, T., Petri Vuoristo, Kuznetsov, M., Pozdeeva, E., Zemlyakov, E., Turichin, G.
Publikováno v:
Tampere University
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e18cd30ed15a6672827a68a6e56b5d97
Publikováno v:
Journal of Laser Applications. 27:022009
Hydraulic piston rods on oil and gas drilling platforms, hydro-power stations, chemical plants, and underground mines are exposed to severe tribo-corrosive conditions under static and dynamic mechanical loads. Piston rods made of carbon, quenched and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c00e938f279656fcd47076fc4eca566
https://doi.org/10.2351/1.4914503
https://doi.org/10.2351/1.4914503
Autor:
T. Peltola, I. Rasehorn, Juha Miettinen, Jari Tuominen, Jonne Näkki, Minhaj M Alam, Petri Vuoristo, Alexander Kaplan, J. Poutala
Publikováno v:
Journal of Laser Applications. 27:012006
Laser cladding is an overlay welding method to manufacture high performance, fusion bonded metal, and metal matrix composite coatings on metallic substrates with low dilution. Owing to steep thermal gradients, rapid solidification, and possible misma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ab1703423eeeb5be2d4fccaccd9dcbe
https://doi.org/10.2351/1.4903351
https://doi.org/10.2351/1.4903351