Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Päivi Kivikytö-Reponen"'
Autor:
Päivi Kivikytö-Reponen, Stefania Fortino, Veera Marttila, Alexey Khakalo, Kari Kolari, Antti Puisto, Daniele Nuvoli, Alberto Mariani
Publikováno v:
Computational and Structural Biotechnology Journal, Vol 25, Iss , Pp 205-210 (2024)
Efficient design, production, and optimization of new safe and sustainable by design materials for various industrial sectors is an on-going challenge for our society, poised to escalate in the future. Wood-based composite materials offer an attracti
Externí odkaz:
https://doaj.org/article/29d9a4621500400a96aaee4f8b4bd541
Publikováno v:
Cleaner Engineering and Technology, Vol 8, Iss , Pp 100499- (2022)
There are various existing practices and future potential for turning mining waste into valuable products. The inventory of the tailings in the metal mines in Finland showed that considerable concentrations of many critical metals are contained in th
Externí odkaz:
https://doaj.org/article/98956987018841b8a202062eb140ee6b
Publikováno v:
Tribology Online, Vol 7, Iss 3, Pp 179-183 (2012)
Crushing of minerals involves several wear mechanisms. The mineral medium increases the complexity of the wear process by introducing many new variables. Despite the fact that processing of minerals normally causes wear, the minerals can also in some
Externí odkaz:
https://doaj.org/article/287ac5a721384c228edc6744ca715ba5
Autor:
Kimmo Kaunisto, Juha Lagerbom, Mari Honkanen, Tommi Varis, Aloshious Lambai, Gaurav Mohanty, Erkki Levänen, Päivi Kivikytö-Reponen, Erkka Frankberg
Publikováno v:
Kaunisto, K, Lagerbom, J, Honkanen, M, Varis, T, Lambai, A, Mohanty, G, Levänen, E, Kivikytö-Reponen, P & Frankberg, E 2023, ' Evolution of alumina phase structure in thermal plasma processing ', Ceramics International, vol. 49, no. 13, pp. 21346-21354 . https://doi.org/10.1016/j.ceramint.2023.03.263
Alumina (Al2O3) remains one the most important engineering ceramic for industrial applications. In addition to the α phase, transition alumina phases have interesting characteristics. Controlling the obtained phase structure from alumina melt requir
Publikováno v:
Sustainable Design and Manufacturing ISBN: 9789811992049
Regions and national economies are facing several challenges re-garding raw materials. As cities and metropolitan areas are increas-ingly becoming hubs of economic activity, they may also play a role in addressing raw material challenges. Many eco-in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb265407f1621c4182552bddd4aaae3a
https://doi.org/10.1007/978-981-19-9205-6_28
https://doi.org/10.1007/978-981-19-9205-6_28
Autor:
Juha Lagerbom, Elina Huttunen-Saarivirta, Päivi Kivikytö-Reponen, Mari Honkanen, Arnold Ismailov, Soili Solismaa, Marja Liisa Räisänen, Erkki Levänen, Marjaana Karhu
Publikováno v:
Karhu, M, Lagerbom, J, Solismaa, S, Honkanen, M, Ismailov, A, Räisänen, M L, Huttunen-Saarivirta, E, Levänen, E & Kivikytö-Reponen, P 2019, ' Mining tailings as raw materials for reaction-sintered aluminosilicate ceramics : Effect of mineralogical composition on microstructure and properties ', Ceramics International, vol. 45, no. 4, pp. 4840-4848 . https://doi.org/10.1016/j.ceramint.2018.11.180
This paper presents studies on the utilization of aluminosilicate-based mining tailings as raw materials for mullite-based ceramics. Based on the 3:2 stoichiometric composition, mullite was synthesised by reactive sintering with a series of powder mi
Publikováno v:
Antikainen, M, Uusitalo, T & Kivikytö-Reponen, P 2018, ' Digitalisation as an Enabler of Circular Economy ', Procedia CIRP, vol. 73, pp. 45-49 . https://doi.org/10.1016/j.procir.2018.04.027
Digitalisation can boost the transformation towards a more sustainable circular economy. It can help closing the material loops by providing accurate information on the availability, location and condition of products. Digitalisation also enables mor
Publikováno v:
Holmberg, K, Kivikytö-Reponen, P, Härkisaari, P, Valtonen, K & Erdemir, A 2017, ' Global energy consumption due to friction and wear in the mining industry ', Tribology International, vol. 115, pp. 116-139 . https://doi.org/10.1016/j.triboint.2017.05.010
Calculations on the global energy consumption due to friction and wear in the mineral mining industry are presented. For the first time, the impact of wear is also included in more detailed calculations in order to show its enormous tribological and
Publikováno v:
Kivikytö-Reponen, P, Tiusanen, R, Halme, J, Raunio, K & Saarela, O 2017, Machine performance and availability prediction through the lifetime . in Proceedings . Tampere University of Technology, pp. 5-7, 2nd Annual SMACC Research Seminar 2017, Tampere, Finland, 7/11/17 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
Machine performance, availability and long lifetime play important role in operations and maintenance planning for industrial players e.g. with heavy working machines. Recently, circular economy discussions have even more highlighted the role of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::54b88e946f5ba4c6842f98d570fa3bcd
https://cris.vtt.fi/en/publications/699f09b6-5127-42f7-9a2a-3cbcb26ed18d
https://cris.vtt.fi/en/publications/699f09b6-5127-42f7-9a2a-3cbcb26ed18d
Autor:
Aino Helle, Tom Andersson, Richard Waudby, Marian Apostol, Päivi Kivikytö-Reponen, Anssi Laukkanen, V.-T. Kuokkala, Kati Valtonen
Publikováno v:
Kivikytö-Reponen, P, Laukkanen, A, Apostol, M, Waudby, R, Andersson, T, Helle, A, Valtonen, K & Kuokkala, V-T 2014, ' Modelling and testing of elastomer impact deformation under high strain rates ', Tribology: Materials, Surfaces & Interfaces, vol. 8, no. 1, pp. 48-54 . https://doi.org/10.1179/1751584X14Y.0000000067
Elastomers are frequently used in applications involving repeated impacts of hard abrasive particles on surfaces at high or moderate strain rates. Operational conditions of components experiencing erosive and impact type wear are sometimes difficult