Zobrazeno 1 - 10
of 218
pro vyhledávání: '"Priit Kulu"'
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 73, Iss 1, Pp 43-49 (2024)
Waste printed circuit boards (WPCBs) â a common type of eÂwaste consisting of electronic components with a significant amount of rare and precious metals as well as glass fiber composites. The development of WPCB retreatment technology through me
Externí odkaz:
https://doaj.org/article/bed878852b80490ca7eaee5dde083cc9
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 70, Iss 4, Pp 508-515 (2021)
Good cementing properties, fast setting and strong thermal performance make calcium aluminate a valuable raw material for use in the production of different types of new refractory materials, e.g., heat conductive/storage materials. The main aim of t
Externí odkaz:
https://doaj.org/article/1fb63e2ff5e547dfab075030b5205900
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 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
Publikováno v:
Medžiagotyra, Vol 22, Iss 1, Pp 148-152 (2016)
Heat treatment is widely used for high reliability fastening components such as buckles and brackets. The current study focuses on mass production of safety components which are fineblanked from sheet metal, austempered and chromium electroplated. El
Externí odkaz:
https://doaj.org/article/5b5523eee62445faa2264bee9db54a7d
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
Publikováno v:
Solid State Phenomena. 320:169-175
Niobium slag as a waste product from metallurgical production of metallic niobium, containing calcium aluminates mainly, is valuable raw materials for different new products in the building materials industry. Disintegrator milling technology for pre
Autor:
Mart Viljus, Priit Kulu, Maksim Antonov, Dmytro Tkachivskyi, Rainer Traksmaa, Kristjan Juhani, Andrei Surzhenkov
Publikováno v:
Solid State Phenomena. 320:83-89
This study aimed to compare the X3CrNiMo17-13-3 stainless steel based plasma transferred arc (PTA) cladded hardfacings, reinforced with the in-situ synthesized Cr and Ti carbides. Carbon black and either pure Cr, pure Ti, or TiO2 were utilized as rei
Autor:
Dmitri Goljandin, Priit Kulu
Global introduction of waste utilization techniques to the polymer market is currently not fully developed but has enormous potential. Before reintegration of used material into a new product, it normally requires grinding, that is shredding, crushin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ce9829a686759ac299695f42c399923
https://doi.org/10.5772/intechopen.99715
https://doi.org/10.5772/intechopen.99715