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Search results for: MOCE WYTWÓRCZE
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SEM images of symmetrical cell interface with SrTi0.65Fe0.35O3-d electrode and CGO-20 substrate in function of sintering temperature
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with SrTi0.65Fe0.35O3-d electrode and CGO-20 substrate in function of sintering temperature (800 °C, 900°C and 1000 °C) . Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating voltage...
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SEM images of symmetrical cell interface with SrTi1-xFexO3-d electrodes and CGO-20 substrate sintered at 800 °C
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with SrTi1-xFexO3-d (x=0.35; 0.50; 0..70) electrodes and CGO-20 substrate sintered at 800 °C. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating voltage of 12 kV in a high vacuum...
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Alms-panel of Anton Moeller in St. Mary's Church in Gdańsk
Open Research DataThe data set concerns epigraphy. It refers to the Alms-panel placed in St. Mary’s Church in Gdańsk, that is the work of Gdańsk painter Antoni Moller, made in 1607, or rather – to be more specific – to lower part of this work, which are the verses from Holy Bible. Data set contains one general photo of the inscription, transcription of its text in Latin...
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SEM images of symmetrical cell interface with SrTi0.50Fe0.50O3-d electrode and CGO-20 substrate in function of sintering temperature
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with SrTi0.50Fe0.50O3-d electrode and CGO-20 substrate in function of sintering temperature (800 °C, 900°C and 1000 °C) . Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating voltage...
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Experimental Research on the Energy Efficiency of a Parallel Hybrid Drive for an Inland Ship
PublicationThe growing requirements for limiting the negative impact of all modes of transport on the natural environment mean that clean technologies are becoming more and more important. The global trend of e-mobility also applies to sea and inland water transport. This article presents the results of experimental tests carried out on a life-size, parallel diesel-electric hybrid propulsion system. The eciency of the propulsion system was...
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Galvanostatic impedance measurements for the efficient adsorption isotherm construction in corrosion inhibitor studies
PublicationWe present an approach towards an accurate and time-efficient adsorption isotherm determination to evaluate the corrosion inhibitor interaction in electrolytic environments. The approach is based on dynamic impedance spectroscopy measurements in galvanostatic mode (g-DEIS). The studied corrosion inhibitor is continuously injected between the secondary cell and the corrosion cell. The efficiency corresponding to instantaneous inhibitor...
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The influence of the grid density of measurement points on damage detection in an isotropic plate by the use of elastic waves and laser scanning Doppler vibrometry
PublicationDamage detection in structural components, especially in mechanical engineering, is an 2 important element of engineering practice. There are many methods of damage detection, in which 3 changes in various parameters caused by the presence of damage are analysed. Recently, methods 4 based on the analysis of changes in dynamic parameters of structures, i.e. frequencies or mode shapes 5 of natural vibrations, as well as changes in...
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Computer support of analysis optical spectra measurements
PublicationVerification of measurement errors has a big impact on assessment of accuracy of conducted measurements and obtained results. In many cases computer simulation results are compared with measurement results in order to evaluate measurement errors. The purpose of our research was to check the accuracy of measurements made with Fabry-Perot interferometer working in the transmission mode. In measurement setup, a 1310 nm superluminescent...
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Computer Support of Analysis of Optical Spectra Measurements
PublicationThe verification of measurement errors has a big impact on the assessment of the accuracy of conducted measurements and obtained results. In many cases, computer simulation results are compared with measurement results in order to evaluate measurement errors. The purpose of our research was to check the accuracy of measurements made with a Fabry–Perot interferometer working in the transmission mode. In the measurement setup, a...
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Innowacyjny system do lokalizacji zasobów dla poprawy efektywności i bezpieczeństwa w służbie zdrowia
PublicationPrzedstawiono innowacyjne podejście do lokalizacji wewnątrzbudynkowej, które może zostać wykorzystane do podniesienia bezpieczeństwa i efektywności w służbie zdrowia. Opiera się ono na stacjach bazowych pracujących w standardzie Bluetooth Low Energy (BLE), wykorzystujących dedykowany moduł bezprzewodowy. zawierający układ scalony Nordic Semiconductor nRF5284 oraz na antenach rekonfigurowalnych, w których możliwe jest elektryczne...
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Karol Grębowski dr inż.
PeopleKarol Grębowski (M.Sc.) works as an assistant at the Department of Technical Fundamentals of Architecture Design of the Faculty of Architecture at Gdansk University of Technology. His scientific research deals with dynamic phenomena occurring during the vibration of structures, bridges, and studies the design methodology of the elements forming passive protection system of the vehicles degraded by struck or explosion in the context...
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Szymon Olewniczak mgr inż.
PeopleI've been a part of the Gdansk University of Technology since 2013, when I started my bachelor's degree in computer science at the Faculty of Electronics, Telecommunications and Informatics. After receiving my master's degree in 2019, I've been working as an assistant at the Department of Computer Architecture. Since 2024, I am also the deputy head of my department. My research interests revolve around various NLP related topics,...
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The effect of the late wood share in the annual ring growth on the cutting power
PublicationW pracy przedstawiono wpływ udziału drewna późnego w przyroście rocznym na zapotrzebowanie mocy skrawania na jedną piłę podczas przecinania drewna sosnowego na pilarce ramowej PRW15-M. Drewno sosnowe pochodziło z 4. Krain Geograficznych Polski. Otrzymane wyniki poddano analizie statystycznej, która wykazała, że dla większości Krain korelacja pomiędzy udziałem drewna późnego w przyroście rocznym i mocą skrawania była znacząca na...
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Basic evaluation of limb exercises based on electromyography and classification methods
PublicationSymptoms caused by cerebral palsy or stroke deprive a person partially or even completely of his ability to move. Nowadays we can observe more technologically advanced rehabilitation devices which incorporate biofeedback into the process of rehabilitation of such people. However, there is still a lack of devices that would analyse, assess, and control (independently or with limited support) specialised movement exercises. Here...
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Laboratorium Maszyn i Systemów Okrętowych
LaboratoriesBadania maszyn i urządzeń z napędem elektrycznym oraz hydrostatycznym, napędów hybrydowych, serwomechanizmów, badania z obszaru tribologii.
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Przyszłość energetyki jądrowej na świecie
PublicationProblemy dostępności paliwa jądrowego i składowania odpadów radioaktywnych skłaniają do przemian w technologii reaktorów jądrowych w kierunku generacji IV. Równolegle obserwuje się rozwój reaktorów małej i średniej mocy. Obie ścieżki wydają się być słuszne i obiecujące. W przypadku małych reaktorów jądrowych, pierwsze instalacje mogą powstać w najbliższych pięciu latach, niektóre z nich mogą zaliczać się do reaktorów IV generacji....
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Jan Daciuk dr hab. inż.
PeopleJan Daciuk received his M.Sc. from the Faculty of Electronics of Gdansk University of Technology in 1986, and his Ph.D. from the Faculty of Electronics, Telecommunications and Informatics of Gdańsk University of Technology in 1999. He has been working at the Faculty from 1988. His research interests include finite state methods in natural language processing and computational linguistics including speech processing. Dr. Daciuk...
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The size of enterprises in which graduates of the Gdańsk University of Technology work – years 2010-2018
Open Research DataThe dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2018 on the size of enterprises in which they work. The survey was conducted in the period from 2012 to 2020, two years after the respondents obtained graduate status. The research sample included 12776 respondents. To summarize, the Gdańsk University...
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Turbiny Parowe, Gazowe i Wodne
e-Learning CoursesPodstawy obiegów cieplnych turbin parowych (obieg Rankine'a, obiegi z regeneracją, obiegi z przegrzewem międzystopniowym, dobór parametrów i schematów obiegu). Podstawy obiegów cieplnych turbin gazowych (obieg Braytona, obiegi z regeneracją, chłodzeniem międzystopniowym, sekwencyjnymi komorami spalania, Ericssona, dobór parametrów projektowych). Teoria stopnia turbinowego (rozkład ciśnień na profilu, siły działające na profil,...
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Dietary intervention with beetroot juice during doxorubicin cancer chemotherapy in vivo reduces markers of oxidative stress
PublicationCancer chemotherapy with doxorubicin, despite high antitumor activity and broad spectrum of this drug, is on decline due to toxic side effects. The clinical efficacy of anthracyclines have continuously prompted the search for new adjuvants to alleviate undesirable side toxicity incurred by this group of cytostatics. The recent approaches involve the application of synthetic or purified natural antioxidants in combination with doxorubicin...
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Wybrane aspekty związane z pracą regulatora napięcia generatora synchronicznego w trakcie odbudowy systemu elektroenergetycznego
PublicationOdbudowa systemu elektroenergetycznego po awarii katastrofalnej (blackout) jest procesem skomplikowanym pod względem technicznym i logistycznym. Proces ten polega m.in. na tworzeniu ciągów rozruchowych pomiędzy źródłem zasilania jakim najczęściej jest elektrownia wodna, a elektrownią konwencjonalną w celu umożliwienia jej uruchomienia. Odległość między elektrowniami może być duża i wynosić nawet kilkaset kilometrów. W związku z...
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Resonant Conditions in a Node with an SVC Compensator
PublicationThe primary purpose of installing static shunt compensators in power grids is to improve the voltage conditions. Additional reactive power sources increase the system’s voltage stability and enable faster system recovery after a voltage failure. This paper presents the impact of an SVC device’s structure and settings on impedance change in the supply system, and hence on the frequencies at which resonance phenomena can develop.
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Marek Blok dr hab. inż.
PeopleMarek Blok in 1994 graduated from the Faculty of Electronics at Gdansk University of Technology receiving his MSc in telecommunications. In 2003 received Ph.D. and in 2017 D.Sc. in telecommunications from the Faculty of Electronics, Telecommunications and Informatics of Gdańsk University of Technology. His research interests are focused on application of digital signal processing in telecommunications. He provides lectures, laboratory...
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Energy losses in hydrostatic drive:Drive investigation method compatible with diagram of power increase opposite to the direction of power flow
PublicationEnergy losses and efficiency of drive motor must be presented as functions of physical quantities independent of losses in the motor. Such quantities are speed and load required by the driven device, changing in the drive operating field. Speed and load decide of the useful power and, in differentiated way, of kinds and values of losses in the motor. But energy losses and efficiency of drive motors are evaluated as functions of...
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Zagrożenia bezpieczeństwa protokołów komunikacji morskiej, lotniczej i lądowej
PublicationW artykule przedstawiono przykładowe zagrożenia wykorzystujące słabości wybranych protokołów komunikacji morskiej, lotniczej i lądowej. Wskazano, jakie czynności należy podjąć, żeby się przed nimi ustrzec (przynajmniej częściowo). Opisano również kierunek, w jakim powinny być rozwijane analizowane protokoły, aby zwiększyć bezpieczeństwo osób je używających.
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Inseparability criteria based on matrices of moments
PublicationInseparability criteria for continuous and discrete bipartite quantum states based on moments of annihilationand creation operators are studied by developing the idea of Shchukin-Vogel criterion Phys. Rev. Lett. 95,230502 2005. If a state is separable, then the corresponding matrix of moments is separable too. Thus, wederive generalized criteria based on the separability properties of the matrix of moments. In particular, acriterion...
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Centrifugal magnetic fluid seals
PublicationSeals perform an important and at times overlooked function in a lubricant system. They prevent or minimize the movement of the lubricant between two surfaces and also minimize the level of contamination in the system. Seals are divided into static and dynamic types. Static seals operate in systems where the mating surfaces do not move relative to each other. In contrast, dynamic seals operate under conditions where the mating surfaces...
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Nowe rozwiązania automatyzacji procesu łączenia obiektów elektroenergetycznych do pracy równoległej / G. Redlarski.
PublicationDoświadczenia ostatnich lat wskazują, że w licznych sytuacjach ruchowych proces wprowadzania do pracy równoległej kolejnego, elektroenergetycznego obiektu wytwórczego powinien być możliwie krótki, a przebieg tego procesu powinien być monitorowany. W dotychczasowych rozwiązaniach, metody synchronizacji czas trwania procesu synchronizacji traktują drugorzędnie, dążąc do realizacji procesu łączenia z jak największą dokładnością, a...
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Doskonalenie strumienia wartości
PublicationPrezentowane podejście do Mapowania Strumienia Wartości jest spójne z innymi pozycjami literaturowymi w tym zakresie. Jednak moje dziesięcioletnie doświadczenie zdobywane w toku kilkudziesięciu projektów wskazało mi dodatkowe kierunki analiz, które warto przeprowadzić już na etapie diagnozowania stanu istniejącego przedsiębiorstwa. To co prezentuję w niniejszej książce, to coś co nazywam „rozszerzonym mapowaniem”. Uważam bowiem,...
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Anna Golijanek-Jędrzejczyk dr inż.
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Jacek Marszal dr hab. inż.
PeopleJacek Marszal received M.Sc., Ph.D. and D.Sc. degrees in Telecommunications Engineering at Gdansk University of Technology (GUT), Poland, in 1977, 1989 and 2014 respectively. His scientific specialty is underwater acoustics. Immediately after graduation in 1977, he started working at the Gdansk University of Technology, where since 2015 he is the Head of the Department of Marine Electronic Systems. He is the author and co-author...
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Pozwól płynąć swojemu produktowi
PublicationAutor: Joanna Czerska Autorki i współautorki rozdziałów: Anna Sarbiewska:15.2 OEE dla maszynMarzena Leszczyk-Kabacińska:18. 5S i wizualizacja pracy w gnieździe19. Standaryzacja pracy w gnieździe22. Program ciągłego doskonalenia Recenzja naukowa:Prof. zw. ds. hab. Bogdan Nogalski, Uniwerystet Gdański, 27.02.2010 --- Jeśli poszukujesz...
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SEM images of symmetrical cell interface with Sr1.05Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at 800 °C, 900 °C and 1000 °C
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with Sr1.05Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at three different temperatures 800 °C, 900 °C and 1000 °C. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating...
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SEM images of symmetrical cell interface with Sr1.00Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at 800 °C, 900 °C and 1000 °C
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with Sr1.00Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at three different temperatures 800 °C, 900 °C and 1000 °C. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating...
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Stanowisko diagnostyczno-badawcze "Badanie przekształtników dużej mocy"
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Ogólnopolski Konkurs Prototypów Koncepcji Kreatorskich ‘NIE_MATERIA’ - laureatki 1. etapu
PublicationSpośród 200 uczestników wyłoniono 7 Zespołów Laureatów 1.etapu wskazanych do kontynuacji pracy projektowej nad prototypem NIE_MATERII. Wydarzenie kontynuowane w formie publicznej prezentacji projektu i wystawy jest elementem Festiwalu. Festival ART&DESIGN 2023 jest premierowym wydarzeniem podsumowującym roczny projekt „Design w procesie” - cykl wystaw, konferencji warsztatowych i naukowych oraz warsztatów edukacyjnych. Festival...
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3D Metamaterial Ultra-Wideband Absorber for curved surface
PublicationThis paper proposes a three-dimensional metamaterial absorber based on a resistive film patch array to develop a low-cost, lightweight absorber for curved surfaces. An excellent absorption over a large frequency band is achieved through two different yet controllable mechanisms; In the first mechanism, a considerable attenuation in the wave power is achieved via graphite resistive films. The absorption is then intensified through...
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Exploring multi-step glucose oxidation kinetics at GOx-functionalized nanotextured gold surfaces with differential impedimetric technique
PublicationFor a few past years, we can observe the enormous growth of investigations related to ultrasensitive electrochemical sensors capable of reliable determination of important body parameters and analytes. Utilized procedures rely on standard electrochemical methods, demanding electrode polarization, and information about the initial characteristics of the working electrode. More and more complex electrode materials are characterized...
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Piotr Korzeniowski dr hab. inż.
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SEM images of symmetrical cell interface with Sr0.90Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at 800 °C, 900 °C and 1000 °C
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with Sr0.90Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at three different temperatures 800 °C, 900 °C and 1000 °C. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating...
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SEM images of symmetrical cell interface with Sr0.95Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at 800 °C, 900 °C and 1000 °C
Open Research DataThis dataset contains images of polished cross section of symmetrical cell interface with Sr0.95Ti0.30Fe0.70O3-d electrodes and CGO-20 substrate sintered at three different temperatures 800 °C, 900 °C and 1000 °C. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope (SEM) with an accelerating...
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Employment structure in business services centers broken down into supported process categories.
Open Research DataThe structure of business services provided in centers in Poland is highly diversified, however, the vast majority of entities provide services in several categories of business processes. IT activities and financial and accounting (F&A) services together generate slightly more than half of employment in the industry (51%). Customer Operations (14%)...
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Paweł Możejko dr hab.
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Kosmiczne zastosowania zaawansowanych technologii informatycznych
e-Learning CoursesNowoczesne technologie wykorzystania systemów dużej mocy obliczeniowej: superkomputerów o architekturze klastrowej na przykładzie środowisk związanych z masowym przetwarzaniem danych (Big Data), obliczeniami w chmurze (Cloud Computing) oraz klasycznym podejściem wymiany wiadomości (MPI: Message Passing Interface) dla przetwarzania wsadowego.
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DLC coating in ring-on-ring sliding with water lubrication 10MPa/0.1m/s
Open Research DataWear tests in sliding friction of DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 10MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: WATER. Tribometer: PT-3. Overall test time >15h. The test was augmented by vibration...
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DLC coating in ring-on-ring sliding with saline solution (0.9% wt.) lubrication 20MPa/0.1m/s
Open Research DataWear tests in sliding friction of DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 20MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: SALINE SOLUTION (0.9% wt.). Tribometer: PT-3. Overall test time >15h. The test was augmented...
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DLC coating in ring-on-ring sliding with saline solution (0.9% wt.) lubrication 10MPa/0.1m/s
Open Research DataWear tests in sliding friction of DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 10MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: SALINE SOLUTION (0.9% wt.). Tribometer: PT-3. Overall test time >15h. The test was augmented...
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DLC coating in ring-on-ring sliding with water lubrication 20MPa/0.1m/s
Open Research DataWear tests in sliding friction of DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 20MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: WATER. Tribometer: PT-3. Overall test time >15h. The test was augmented by vibration...
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DLC coating doped with W in ring-on-ring sliding with water lubrication 20MPa/0.1m/s
Open Research DataWear tests in sliding friction of 1% W (tungsten) doped DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 20MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: WATER. Tribometer: PT-3. Overall test time >15h. The test was...
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DLC coating doped with W in ring-on-ring sliding with water lubrication 10MPa/0.1m/s
Open Research DataWear tests in sliding friction of 1% W (tungsten) doped DLC coating on 1.4021 (EN 10088-1) heat treated stainless steel. Ring - on - ring contact in unidirectional sliding, DLC-W over DLC-W. Mean contact stress: 10MPa. Sliding velocity: 0,1 m/s. Mean friction radius: 9.5mm. Lubricant: WATER. Tribometer: PT-3. Overall test time >15h. The test was...