Nanocrystalline WC-Co HVAF Coatings by Utilizing Novel Powder Manufacturing Route Using Water-Soluble Raw Materials

Autor: Erja Turunen, Kimmo Kaunisto, Tomi Suhonen, Jarkko Metsäjoki, Juha Lagerbom, Marjaana Karhu

Publikováno v: Karhu, M, Lagerbom, J, Kaunisto, K, Suhonen, T, Metsäjoki, J & Turunen, E 2018, ' Nanocrystalline WC-Co HVAF Coatings by Utilizing Novel Powder Manufacturing Route Using Water-Soluble Raw Materials ', Journal of Thermal Spray Technology, vol. 27, no. 1-2, pp. 196-206 . https://doi.org/10.1007/s11666-017-0668-9

In this study, nanostructured WC-Co coatings were produced using experimental nanocrystalline WC-12Co and WC-24Co powders produced by a novel chemical synthesis route. Test coatings were produced using HVAF spraying keeping the temperature as low as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe2fd662ffae65bf403efed864497554
https://doi.org/10.1007/s11666-017-0668-9

Materials for Electronics by Thermal Spraying

Autor: Jani Peräntie, Heli Jantunen, Kimmo Ruusuvuori, Tommi Varis, Jussi Putaala, Erja Turunen, Ulla Kanerva, Jari Juuti, Helena Ronkainen

Publikováno v: Materials Science Forum. 762:451-456

In this paper, dielectric and conductive properties of thermally sprayed Al2O3- and Cu-based coatings on steel and alumina substrates were studied. Alumina powders with nanoand micro-sized additions of Ni, NiO, TiO2, silica, and commercial glass were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79a48fce05c8c5f9101a1d6b30d2900c
https://doi.org/10.4028/www.scientific.net/msf.762.451

Chemical synthesis of WC-Co from water-soluble precursors : the effect of carbon and cobalt additions to WC synthesis

Autor: Tarja Laitinen, Anna Kronlöf, Mari Honkanen, Ulla Kanerva, Juha Lagerbom, Erja Turunen, Marjaana Karhu

Publikováno v: Kanerva, U, Karhu, M, Lagerbom, J, Kronlöf, A, Honkanen, M, Turunen, E & Laitinen, T 2016, ' Chemical synthesis of WC-Co from water-soluble precursors : the effect of carbon and cobalt additions to WC synthesis ', International Journal of Refractory Metals and Hard Materials, vol. 56, pp. 69-75 . https://doi.org/10.1016/j.ijrmhm.2015.11.014

The chemical synthesis of WC–Co from water-soluble precursors and the effect of carbon content and cobalt addition were studied. Ammonium metatungstate AMT as tungsten source, glycine as a carbon source and cobalt acetate Co(C 2 H 3 O 2 ) 2 as a co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b50736380b2c238b384c5397a698608
https://cris.vtt.fi/en/publications/438c5e43-dacc-42ce-9390-849057721269

The effect of microstructure on mechanical properties of HVOF sprayed WC-CoCr composite coatings

Autor: Tomi Suhonen, Tommi Varis, Erja Turunen, Xuwen Liu, Yanling Ge, Outi Söderberg, Simo-Pekka Hannula

Publikováno v: Tribologia-Finnish Journal of Tribology
Tampere University
Suhonen, T, Varis, T, Turunen, E, Liu, X, Ge, Y, Söderberg, O & Hannula, S-P 2009, ' The effect of microstructure on mechanical properties of HVOF sprayed WC-CoCr composite coatings ', Tribologia, vol. 28, no. 1-2, pp. 14-28 . < https://journal.fi/tribologia/article/view/69645 >

This study aims for deeper understanding of the composition and phase changes occurring during HVOF spraying of the powder to WC-CoCr coatings. Also, the effect of lamellar microstructure on the mechanical properties is studied. Compositional and mic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5a31a56ca21387bb115260930ad22ae4
https://journal.fi/tribologia/article/view/69645

Influence of the elementary mixing scale on HVOF-sprayed coatings derived from nanostructured aluminosilicate/mullite feedstock

Autor: Kati Rissa, Jussi Silvonen, Tapio Mäntylä, Tommi Varis, Minnamari Vippola, Jarkko Leivo, Erja Turunen, Ulla Kanerva

Publikováno v: Leivo, J, Varis, T, Turunen, E, Vippola, M, Rissa, K, Kanerva, U, Silvonen, J & Mäntylä, T A 2008, ' Influence of the elementary mixing scale on HVOF-sprayed coatings derived from nanostructured aluminosilicate/mullite feedstock ', Surface and Coatings Technology, vol. 203, no. 3-4, pp. 335-344 . https://doi.org/10.1016/j.surfcoat.2008.09.008
Scopus-Elsevier

Aluminosilicate/mullite coatings were prepared from nanosized sources of aluminium and silicon by means of a high velocity oxy-fuel thermal spray process. X-ray diffraction, analytical electron microscopy, differential thermal analysis and Fourier tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c90214f7d898eddc6db818d328dbda3
https://cris.vtt.fi/en/publications/2ad4c415-8718-4ccc-af19-143555f75bfd