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Tytuł:
Influence of annealing conditions on changes of the structure and selected properties of Al88Y7Fe5 and Al88Y6Fe6 alloys
Autorzy:
Babilas, Rafał
Spilka, Monika
Łoński, Wojciech
Radoń, Adrian
Kądziołka-Gaweł, Mariola
Gębara, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2204524.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Al-Y-Fe metallic glasses
heat treatment
structural tests
corrosion resistance
magnetic properties
szkło metaliczne Al-Y-Fe
obróbka cieplna
test strukturalny
odporność na korozję
właściwości magnetyczne
Opis:
Al-Y-Fe amorphous and nanocrystalline alloys are characterized by a unique collection of diverse properties that are influenced by various factors, including heat treatment. In this paper, the effect of heat treatment on the structural changes and selected properties of Al-Y-Fe metallic glasses in the as-spun state is investigated. The structure of the Al88Y7Fe5 and Al88Y6Fe6 alloys was examined by X-ray diffraction (XRD) and Mössbauer spectroscopy (MS). The corrosion resistance of the samples was characterized using polarization tests in a 3.5% NaCl solution at 25 °C. The effect of sodium chloride on the surface was studied with scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS). The magnetic properties of Al-based alloys were explored using a vibrating sample magnetometer (VSM). It was revealed that the tested alloys show better properties after annealing than in the as-spun state. The annealing of the Al88Y7Fe5 and Al88Y6Fe6 alloys in the temperature range of 200 to 300 °C improved the magnetic properties and corrosion resistance of these materials. After 3,600 s, the better EOCP values were recorded for the Al88Y6Fe6 and Al88Y7Fe5 alloys after annealing at 300 °C and 200 °C, adequately. On the basis of the polarization tests, it was concluded that the electrochemical properties are better for Al88Y6Fe6 alloys after annealing at 300 °C.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2023, 71, 2; art. no. e144614
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Cooling Rate on Mechanical Properties of New Multicomponent Fe-Based Amorphous Alloy During Annealing Process
Autorzy:
Rezaei-Shahreza, Parisa
Redaei, Hossein
Moosavi, Parisa
Hasani, Saeed
Seifoddini, Amir
Jeż, Bartłomiej
Nabiałek, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2048746.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bulk metallic glasses
BMGs
nanocomposite
mechanical testing
fracture toughness
Opis:
Fe-based bulk metallic glasses (BMGs) have been extensively investigated due to their ultrahigh strength and elastic moduli as well as desire magnetic properties. However, these BMGs have few applications in industrial productions because of their brittleness at room temperature. This study is focused on the effect of cooling rate on the mechanical properties (especially toughness) in the Fe41Co7Cr15Mo14Y2C15B6 BMG. For this aim, two samples with the mentioned composition were fabricated in a water-cooled copper mold with a diameter of 2 mm, and in a graphite mold with a diameter of 3 mm. The formation of crystalline phases of Fe23(B,C)6, α-Fe and Mo3Co3C based on XRD patterns was observed after the partial crystallization process. To determine the toughness of the as-cast and annealed samples, the indentation technique was used. These results revealed that the maximum hardness and toughness were depicted in the sample casted in the water-cooled copper mold and annealed up to 928°C. The reason of it can be attributed to the formation of crystalline clusters in the amorphous matrix of the samples casted in the graphite mold, so that this decrease in the cooling rate causes to changing the chemical composition of the amorphous matrix.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 1; 251-254
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the use of smart glasses in IRS logistics
Autorzy:
Binar, Tomas
Vasikova, Simona
Safl, Pavel
Powiązania:
https://bibliotekanauki.pl/articles/2203078.pdf
Data publikacji:
2022
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
smart glasses
logistyka magazynowa
metoda Saaty'ego
logistyka IRS
warehouse logistics
Saaty’s method
IRS logistics
Opis:
To effectively transport materials through different means of transport, it is essential to have an optimized warehouse logistics first. Thanks to the Industry 4.0 platform, there are several ways to accomplish the delivery of materials from a warehouse through transport by road, rail or air. This paper deals with a primary warehouse problem, which is the fast and accurate search and selection of required items in the stock. For this issue, the use of smart glass technology and its implementation in the logistic processes of warehouses could help. In a particular way, an IRS (Integrated Rescue System) warehouse was selected as an example. The augmented reality (AR) type of glasses was selected. The introductory part of this paper deals with the current situation in the warehouse and logistic processes, where the problem of lack of qualified staff and material supply is prevalent, particularly during different crisis situations, such as pandemics or high employee turnovers. The use of smart glasses is one of the many possible problem-solving variants in this field. Further, a basic description of smart glasses, possible uses and sorting are presented in this paper. For the experiment, it was necessary to choose several different commercially available models of smart glasses. An evaluation was provided by the Simple comparative method, Saaty's method and Linear partial utility function method and the best options were identified. Also, there is an example of smart glasses application for picking a particular component in an IRS warehouse in the last part of this paper.
Źródło:
Zeszyty Naukowe. Transport / Politechnika Śląska; 2022, 117; 23--42
0209-3324
2450-1549
Pojawia się w:
Zeszyty Naukowe. Transport / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The structure of Pb-PbO-SiO2 glass via molecular dynamics simulation
Autorzy:
Rybicki, J.
Witkowska, A.
Bergmański, G.
Mancini, G.
Feliziani, S.
Powiązania:
https://bibliotekanauki.pl/articles/1954650.pdf
Data publikacji:
2022-01-20
Wydawca:
Politechnika Gdańska
Tematy:
lead-silicate glasses
oxide glasses
medium-range order
ring analysis
molecular dynamics simulations
Opis:
The paper is dedicated to a molecular dynamics (MD) study of the structure of partially reduced lead-silicate glass of composition 1Pb 1PbO 1SiO2. The simulations have been performed in the constant volume regime, using a two-body potential (Born-Mayer repulsive forces, and Coulomb forces due to full ionic charges). The system was initially prepared as a well equilibrated hot melt, and then slowly cooled down to 300K. The information on short-range correlations were obtained in a conventional way (from pair and angular distribution functions), while the medium-range order was studied via cation-anion ring analysis. In the paper, the short- and medium-range order in the simulated system is discussed and compared with the structure of a glassy completely reduced system, i.e. 2Pb 1SiO2 and unreduced one, i.e. 2PbO 1SiO2 glass.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2003, 7, 2; 243-256
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Computational fluid dynamics simulation of heat transfer from densely packed gold nanoparticles to isotropic media
Autorzy:
Radomski, Piotr
Ziółkowski, Paweł
de Sio, Luciano
Mikielewicz, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/1954995.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
heat transfer
gold nanoparticles
glasses
polymers
computational fluid dynamics
Opis:
This work aims to determine and compare heat generation and propagation of densely packed gold nanoparticles (Au NPs) induced by a resonant laser beam (532 nm) according to the Mie theory. The heat flux propagation is transferred into the materials, which here are: silica glass; soda-lime-silica glass; borosilicate glass; polymethyl methacrylate (PMMA); polycarbonate (PC); and polydimetylosiloxane (PDMS). This analysis aims to select the optimum material serving as a base for using photo-thermoablation. On the other hand, research focused only on Newtonian heat transfer in gold, not on non-Fourier ones, like the Cattaneo approach. As a simulation tool, a computational fluid dynamics code with the second-order upwind algorithm is selected. Results reveal a near-Gaussian and Gaussian temperature distribution profile during the heating and cooling processes, respectively. Dependence between the maximum temperature after irradiation and the glass thermal conductivity is observed confirming the Fourier law. Due to the maximum heating area, the borosilicate or soda-lime glass, which serves as a base, shall represent an excellent candidate for future experiments.
Źródło:
Archives of Thermodynamics; 2021, 42, 3; 87-113
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structure and properties of suction-cast Pr-(Fe, Co)-(Zr, Nb)-B rod magnets
Autorzy:
Pawlik, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2086840.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bulk metallic glasses
bulk nanostructured magnets
RE-Fe-B magnets
miniature magnet
szkło metaliczne masywne
magnes nanostrukturalny
magnes RE-Fe-B
magnes miniaturowy
Opis:
The rod specimens were produced from Pr9Fe50 + xCo13Zr1Nb4B23 – x (x = 0, 5, 8) alloys using the suction-casting technique. Subsequent devitrification annealing of those samples resulted in the change of their phase structure and magnetic properties. For annealed specimens of all investigated compositions, the Rietveld analyses of X-ray diffractions have shown the presence of three crystalline phases: the hard magnetic Pr2Fe11.2Co2.8B, soft magnetic α-Fe, and paramagnetic Pr1 + xFe4B4, which have precipitated within the amorphous matrix. This technique allowed us to determine the weight fractions of constituent phases. Furthermore, the microstructural changes with the alloy composition were observed. Magnetic measurements of annealed rods allowed us to calculate the switching field distributions (SFD) and δM plots in order to determine the strength and character of magnetic interactions between grains of constituent phases.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 5; e138971, 1--7
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interfejsy bezdotykowe w wirtualnej rzeczywistości
Contactless interfaces in virtual reality
Autorzy:
Dragni, Andriy
Szymczyk, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/98154.pdf
Data publikacji:
2020
Wydawca:
Politechnika Lubelska. Instytut Informatyki
Tematy:
virtual reality
contactless interfaces
Cardboard glasses
wirtualna rzeczywistość
interfejsy bezdotykowe
okulary Cardboard
Opis:
This work presents the results research on interfaces enabling navigation in virtual reality. An original program presenting a typical museum gallery has been written. It implemented a number of different moving scenarios. The paper analyzes which of these methods is best for the user. The optimal speed was tested and determined, using the user feels comfortable and does not lose the sense of control over the program.
W niniejszym artykule przedstawiono wyniki badania interfejsów umożliwiających poruszanie się w wirtualnej rzeczywistości. Został napisany autorski program prezentujący typową muzealną galerię. Zaimplementowano w nim szereg różnych scenariuszy poruszania się. W pracy dokonano analizy, który z tych sposobów jest najlepszy dla użytkownika. Zbadano i ustalono optimum prędkości poruszania się, przy której użytkownik czuje się komfortowo i nie traci poczucia panowanie nad programem.
Źródło:
Journal of Computer Sciences Institute; 2020, 15; 168-171
2544-0764
Pojawia się w:
Journal of Computer Sciences Institute
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zastosowanie wirtualnej rzeczywistości w projektowaniu stacji zrobotyzowanych
The use of virtual reality in the design of robotic stations
Autorzy:
Szybicki, Dariusz
Pietruś, Paulina
Powiązania:
https://bibliotekanauki.pl/articles/275777.pdf
Data publikacji:
2020
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
wirtualna rzeczywistość
stanowisko zrobotyzowane
manipulator ABB
okulary Oculus Rift
virtual reality
robotic position
ABB manipulator
Oculus Rift glasses
Opis:
Do niedawna wirtualna rzeczywistość kojarzyła się głównie z grami komputerowymi. Technologia ta to jednak przyszłość nie tylko branży rozrywkowej – coraz częściej znajduje zastosowanie w obszarze IT, medycynie oraz przemyśle. Wirtualna rzeczywistość ma generować zupełnie nowy cyfrowy świat. To rzeczywistość zaprojektowana przy użyciu narzędzi komputerowych, dzięki którym użytkownik czuje się tak, jakby był w niej realnie obecny. Obecnie wirtualna rzeczywistość ma wiele do zaoferowania branży przemysłowej – pozwala na trójwymiarowe projektowanie stacji zrobotyzowanych, tworzenie modeli symulacyjnych, dzięki którym można dokładnie zobaczyć, jak będzie wyglądała i funkcjonowała nowa stacja jeszcze przed jej uruchomieniem. W artykule przedstawiono proces projektowania i programowania stacji zrobotyzowanych z wykorzystaniem wirtualnej rzeczywistości.
Until recently, virtual reality was associated mainly with computer games. However, this technology is not only the future of the entertainment industry – it is increasingly used in IT, medicine and industry. Virtual reality generates a completely new digital world. It is a reality designed using computer tools, thanks to which the user feels as if he was really present in it. Currently, the virtual reality has a lot to offer the industry – allows for the three-dimensional design of robotic stations, creating simulation models, through which you can see exactly what the new station will look like and functioning before its launch. The article presents the process of designing and programming robotic stations using virtual reality.
Źródło:
Pomiary Automatyka Robotyka; 2020, 24, 2; 63-68
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Germanate glasses co-doped with Ce3+/Ln3+ (Ln = Pr, Tb, Dy) for white light emitting diodes
Autorzy:
Górny, Agata
Sołtys, Marta
Pisarska, Joanna
Pisarski, Wojciech A.
Powiązania:
https://bibliotekanauki.pl/articles/173993.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
glasses
rare earth ions
white luminescence
Opis:
Glasses doped with lanthanides ions may be good white light emitters due to their interesting physical and spectroscopic properties. In this paper, the optical spectroscopy of rare earths doped glasses with a special emphasis on application as white LED were presented. The luminescent glass materials containing Ln3+ (Ln = Pr, Tb, Dy) and Ce3+ ions were obtained. The glasses samples were prepared by a traditional melt-quenching technique. The optical properties of glasses containing various concentrations of rare earth ions were analyzed. It was observed that luminescence bands corresponding to characteristic transitions of Ln3+ and cerium ions are present on spectra measured under direct excitation of Ce3+. Therefore, it indicates that the energy transfer process between Ce3+ /Pr3+, Ce3+ /Tb3+, Ce3+ / Dy3+ ions in glasses occurs. Some parameters such as correlated color temperature (CCT) and chromaticity coordinates (CIE) that characterize white LEDs were analyzed and discussed in detail.
Źródło:
Optica Applicata; 2019, 49, 3; 383-391
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Spectroscopic properties of Er3+-doped fluorotellurite glasses modified by Nb2O5 and WO3
Autorzy:
Burtan-Gwizdała, Bożena
Reben, Manuela
Cisowski, Jan
El Sayed, Yousef
Lisiecki, Radosław
Grelowska, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/174598.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
fluorotellurite glasses
erbium ion
absorption
Judd-Ofelt analysis
photoluminescence
McCumber approach
Opis:
We have investigated the spectroscopic properties of Er3+-doped fluorotellurite glasses with the basic molar composition 75%TeO2–10%P2O5–10%ZnO–5%PbF2, modified by replacing 5% TeO2 by a metal oxide, namely WO3 or Nb2O5. The absorption edge of the glasses studied has been described within the Urbach approach, while the absorption and photoluminescence spectra have been analyzed in terms of the standard Judd–Ofelt theory, along with the photoluminescence decay of the 4I13/2 and 4S3/2 levels of the Er3+ ion. The absorption and emission spectra of the 4I15/2↔ 4I13/2infrared transition have been analyzed within the McCumber theory to yield the peak emission cross-section and figure of merit for the amplifier gain. It appears that the fluorotellurite glass containing WO3 as a modifier is characterized by the largest figure of merit, indicating this matrix as a promising new host for doping with Er3+ ions.
Źródło:
Optica Applicata; 2019, 49, 3; 393-402
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Temperature behaviour of ceramic biocomposites investigated via hot-stage microscopy
Autorzy:
Pawlik, Justyna
Cholewa-Kowalska, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/286074.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
Hot-Stage Microscopy
sol-gel glasses
bioactive glasses
biocomposites
tricalcium phosphates
β-TCP
sintering
Opis:
In this study, sol-gel bioactive glasses and β-TCP composites were investigated regarding their thermal behaviour, microstructure, and phase composition. Sol-gel bioactive glasses based on the CaO-SiO2 -P2O5 system of either a high SiO2 content (S2) or a high CaO content (A2) were mixed with the β-TCP at 25:75, 50:50 and 75:25 weight ratios. Basing on the HSM results, i.e. shrinkage curves, densification intervals and characteristic temperatures, the sintering temperatures of composites were indicated. Scanning electron microscopy and X-ray diffraction were used to determine the microstructure and phase composition of composites after sintering at selected temperatures, i.e. 1100°C and 1200°C. The SEM/EDX investigations proved the well-sintered and densified microstructure of the sintered composites. The chemistry of sol-gel bioactive glasses influenced both the thermal beha-viour and the phase composition of the composites. The dominant phases for A2-β-TCP materials were α-TCP, pseudowollastonite and β-TCP, while for S2-β-TCP – cristobalite, β-TCP, and α-TCP. However, the content of each phase varied, depending on the A2 or S2 content in the composite composition. Hot-stage microscopy provides useful information for selecting optimal sintering temperature in order to obtain well-sintered and strengthened material. Moreover, by a carefully selected combination of sol-gel bioactive glasses and β-TCP it is possible to obtain the materials with favorable phase composition with regard to biological activity.
Źródło:
Engineering of Biomaterials; 2019, 22, 150; 22-28
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiana kształtu soczewki wywołana naciskiem oprawy okularowej
Autorzy:
Bednarski, Arkadiusz
Karp, Dariusz
Powiązania:
https://bibliotekanauki.pl/articles/132622.pdf
Data publikacji:
2019
Wydawca:
M2 Media
Tematy:
soczewki
oprawy okularowe
parametry
powłoki antyrefleksyjne
moc optyczna
jakość obrazu
lenses
glasses
parameters
antireflective coatings
optical power
image quality
Opis:
Artykuł oparty jest na pracy dyplomowej pod tytułem „Zmiana kształtu soczewki wywołana naprężeniami oprawy okularowej”. Badania uwzględniają parametry soczewek okularowych takie jak moc czołowa, jakość odwzorowanego obrazu, powłoki antyrefleksyjne – zaprezentowano zmiany tych właściwości pod wpływem koncentrycznego nacisku na soczewkę. Wykonano doświadczenia z użyciem pierścienia zaciskowego z możliwością zmiany średnicy. W środku obejmy umieszczano kolejne soczewki o różnych mocach z przedziału od -4,00D do +4,00D z materiału CR-39 i dokonywano kolejnych pomiarów mocy czołowej tylnej, obserwacji rozkładu naprężeń na polaryskopie oraz odwzorowania testu dystorsji przez obciążoną soczewkę. Zostały postawione założenia, że zbyt duże naprężenia mogą skutkować modulacją mocy optycznej poprzez zmianę kształtu soczewki. Kolejne konsekwencje to uszkodzenia krawędzi soczewek, przerwanie uszlachetniających powłok naniesionych na powierzchnię oraz spowodowanie pogorszenia jakości odwzorowanego obrazu.
The article is based on a diploma thesis entitled „Change in lens shape induced by tension of the frame”. The research takes into account the parameters of spectacle lenses such as vertex power, the quality of the image, antireflection coatings – the changes in these properties are presented under the influence of concentric pressure on the lens. Experiments were performed using a clamp ring with the possibility of changing the diameter. In the center of the clamp there were placed other lenses with different spherical powers from -4,00D to +4,00D made from CR-39 material and subsequent measurements of the vertex power, observation of the stress distribution on the polariscope and projection of the distortion test throw lens under pressure were made. The assumptions have been made that too high stresses can result in modulation of the optical power by changing the shape of the lens. Further consequences include damage to the edges of the lenses, interruption of antireflection coatings applied to the surface and causing deterioration of the quality of the projected image.
Źródło:
Optyka; 2019, 4; 62-64
2081-1268
Pojawia się w:
Optyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Amorphous materials in the production of new implants
Autorzy:
Kiljan, A.
Liptakova, T.
Powiązania:
https://bibliotekanauki.pl/articles/111625.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
amorphous materials
magnesium
bulk metallic glasses
implants
corrosion tests
materiały amorficzne
magnez
implant
testy korozyjne
szkła metalowe
Opis:
Amorphous materials based on magnesium are new materials for potential biomedical application, especially for new implants, as they bear resemblance to titanium implants. Mg66Zn30Ca4 alloy has specific properties, especially mechanical and corrosive, therefore, it has biomedical application as its properties are better than that of other materials. The following paper describes amorphous alloy based on magnesium, properties and shows how to produce amorphous samples of Mg66Zn30Ca4.
Źródło:
Production Engineering Archives; 2018, 18; 50-53
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Way of Monitoring of the Production Environment with Application of Augmented Reality and Artificial Intelligence
Autorzy:
Szajna, A.
Szajna, J.
Stryjski, R.
Basl, J.
Brodny, J.
Powiązania:
https://bibliotekanauki.pl/articles/2064975.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
Augmented Reality
monitoring and inspection of the factory
AR glasses
Opis:
Augmented reality technology (AR), also known as mixed reality, allows to enhance the seen reality with additional, virtual objects, displayed right in front of the user’s eyes. The article presents the concept of using Augmented Reality glasses, to support the user with pre-defined knowledge and instructions, giving the ability to do the job without almost any idea of what should be done. The operator simply follows the instructions shown in front of the eyes and communicate with the system with simple gesture and voice. Additionally, the article touches the topic of Artificial Intelligence (AI) which will allow the system in the future to have not only the pre-defined, hard coded instructions, but also the flexibility to give different hints to the user based on a different situation observed.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 307--313
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase Transition and Plasticity Enhancement of Ti-Cu-Based Bulk Metallic Glasses
Autorzy:
Wang, L.
Wang, X.
Zhang, G.
Sun, X.
Powiązania:
https://bibliotekanauki.pl/articles/356824.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
bulk metallic glasses
phase transition
annealing
stability
plasticity
Opis:
In this paper, we report the complex crystallization kinetics of phase transition happening in Ti-Cu-based bulk metallic glasses (BMGs), which play significant roles in the glass formation with respect to their low reduced glass transition temperatures, Trg. The first exothermic event just occurs when annealing the BMG samples in the supercooled liquid region, leading to the Avrami exponent deviating from conventional modes affected by the residual amorphous phase. For Ti43Cu43Ni7Zr7 BMG, the plasticity can be improved by pre-annealing at a sub-Tg temperature of 623K (≈50K below Tg) for 0.5 hour, however, deteriorated by 1 hour annealing, which could be related to the change in stability of this BMG against crystallization with different pre-annealing times.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 1; 387-391
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 69

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