Zobrazeno 1 - 10
of 115
pro vyhledávání: '"Mart VILJUS"'
Publikováno v:
Advanced Industrial and Engineering Polymer Research, Vol 6, Iss 1, Pp 1-12 (2023)
The circular economy (CE) is facing a problem of industrial implementation. The models are proposed for natural types of polymers and CE. The current work reports the technical strategies and paradigms for sustainable close-loop manufacturing. The po
Externí odkaz:
https://doaj.org/article/dd708ce09c024b42bcfec3b4b4679f4b
Publikováno v:
Estonian Journal of Earth Sciences, Vol 71, Iss 3, Pp 135-156 (2022)
Details of the endolymphatic structures are described for the first time in the headshields of the osteostracan genus Tremataspis from the Silurian of Estonia. Tiny platelets, here termed covering platelets, are located within the openings of the end
Externí odkaz:
https://doaj.org/article/e532c7a3158c49d798856dceb6439fb3
Autor:
Abrar Hussain, Vitali Podgursky, Dmitri Goliandin, Maksim Antonov, Rahul Kumar, Nikhil Kamboj, Ramin Rahmani Ahranjani, Mart Viljus, Tahir Ahmad, Muhammad Mubashir Farid, Muhammad Mujtaba Abbas, Andres Krumme, Illia Krasnou
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 71, Iss 2, Pp 186-193 (2022)
The circular economy is emerging as green technology solution for polymer and composite industries. However, the use of circular economy as an industrial practice is still a global challenge. In this article, polypropylene-cotton hybrid composite was
Externí odkaz:
https://doaj.org/article/dcc43eb7982c4e7498c844b1859c94ad
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 70, Iss 4, Pp 533-539 (2021)
Conventional vacuum sintering is, in general, inappropriate for producing manganese containing cermets because high vapour pressure combined with high sintering temperature of cermets (1400â1600 °C) causes considerable Mn loss through sublimation
Externí odkaz:
https://doaj.org/article/6f0f0a22330741b6b3bfda3ad6722efe
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 70, Iss 3, Pp 215-220 (2021)
Circular economy is still a theoretical field. In this research, alumina ceramic material was used to measure the coefficient of friction (COF) of cotton fabric with the objective of supporting the circular economy of textile industries. A scanning e
Externí odkaz:
https://doaj.org/article/869bb376ebbb43e8aecfb6bf55283f7e
Autor:
Regita Bendikiene, Antanas Ciuplys, Rolandas Sertvytis, Andrei Surzhenkov, Dmytro Tkachivskyi, Mart Viljus, Rainer Traksmaa, Maksim Antonov, Priit Kulu
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 4, Pp 7068-7078 (2020)
Submerged arc welding (SAW), plasma transferred arc welding (PTAW), and tungsten inert gas welding (TIG) technologies were used to produce austenitic stainless steel (SS) and nickel alloy (Ni) matrix based hardfacings without reinforcement and reinfo
Externí odkaz:
https://doaj.org/article/f09a4b241aa342938b5ddc6e01fdd83f
Publikováno v:
Medžiagotyra, Vol 25, Iss 2, Pp 202-206 (2019)
High price, limited availability and toxicity of cobalt motivates researchers and material engineers to find alternative binder systems for WC cemented carbides. Iron and iron alloys are promising candidates for complete cobalt substitution. Ferritic
Externí odkaz:
https://doaj.org/article/148077aa994e4049906f06ac4989308e
Publikováno v:
Medžiagotyra, Vol 24, Iss 2, Pp 172-176 (2018)
EComposite hardfacings produced by Plasma Transferred Arc Welding (PTAW) and Submerged Arc Welding (SAW) possess a good combination of hardness, wear resistance and fracture toughness, thus providing high wear resistance. Although they cannot substit
Externí odkaz:
https://doaj.org/article/d5a0aaf521154f4a9b75095e4ca78c78
Autor:
Taavi SIMSON, Priit KULU, Andrei SURŽENKOV, Riho TARBE, Dmitri GOLJANDIN, Marek TARRASTE, Mart VILJUS, Rainer TRAKSMAA
Publikováno v:
Medžiagotyra, Vol 23, Iss 3, Pp 249-253 (2017)
The article focuses on vacuum liquid phase sintered (PM) composite hardfacings and their behaviour under different abrasive wear conditions. Hardfacings studied contained 30 – 50 vol % fine, coarse or multimodal (fine and coarse) hardmetal reinforc
Externí odkaz:
https://doaj.org/article/7554d7bdb33b4201b3bcdf03c1a4e6d1
Autor:
Andrei Surzhenkov, Dmitry Goljandin, Rainer Traksmaa, Mart Viljus, Kristofer Talviste, Aare Aruniit, Jyrki Latokartano, Priit Kulu
Publikováno v:
Medžiagotyra, Vol 21, Iss 3, Pp 386-390 (2015)
In the present paper, the resistance of high velocity oxy-fuel (HVOF) sprayed TiC-NiMo and Cr3C2-Ni cermet particles reinforced NiCrSiB self-fluxing alloy matrix coatings to high temperature erosion wear is studied. Microstructure of the coatings was
Externí odkaz:
https://doaj.org/article/e03ea9bde9fe4af78c401043bcaac278