Zobrazeno 1 - 10
of 98
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:
Medžiagotyra, Vol 18, Iss 1, Pp 12-17 (2012)
The aim of this work was to apply coarse recycled hardmetal particles in combination with Ni-based matrix to produce wear resistant metal matrix composite (MMC) thick coatings using plasma transferred arc hardfacing (PTA) technology. Assignment of ha
Externí odkaz:
https://doaj.org/article/88259eb71f434357b4863e9ff64e67b1
Publikováno v:
Medžiagotyra, Vol 18, Iss 1, Pp 34-39 (2012)
Thermal spray and WC-Co based coatings are widely used in areas subjected to abrasive wear. Commercial cermet thermal spray powders for HVOF are relatively expensive. Therefore applying these powders in cost-sensitive areas like mining and agricultur
Externí odkaz:
https://doaj.org/article/4ec2f60ed3f446d7a10c4a151dc77228
Autor:
Andrei SURZHENKOV, Priit PÕDRA, Fjodor SERGEJEV, Mart SAARNA, Eron ADOBERG, Valdek MIKLI, Mart VILJUS, Priit KULU
Publikováno v:
Medžiagotyra, Vol 18, Iss 1, Pp 40-44 (2012)
In the current study, the cracking, impact and sliding wear resistance of the PVD single layer TiN (I generation), multilayer (Ti,Al)N-ML (II generation), gradient (Al,Ti)N-G and multilayer nanocomposite FiVIc® (both – III generation) coatings on
Externí odkaz:
https://doaj.org/article/7c34aea28a4547d8a0aede8b141f099e