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Wyświetlanie 1-15 z 105
Tytuł:
Structure and Properties of Ni/Diamond Nanocrystalline Coatings
Autorzy:
Mazurek, A.
Trzaska, M.
Powiązania:
https://bibliotekanauki.pl/articles/350997.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
diamond
nickel/diamond
composite coatings
Opis:
This paper presents the results of research of Ni/diamond composite coatings produced by electrochemical reduction method. Research was focused on composite coatings with nickel matrix and diamond as a disperse phase and for comparison purposes on nanocrystalline nickel coatings. Ni/diamond composite coatings were produced in baths with different content of nanodiamond powder. The structures of the dispersed phase and the composite coatings were analysed by using X-ray diffraction, scanning electron microscopy and light microscopy. Measurements of selected properties of the coatings were performed, including roughness, microhardness, adhesion and abrasive wear resistance. The research results indicate that the produced coatings have a compact structure and good adherence to steel substrate. Moreover, nanocrystalline Ni/diamond composite coatings exhibit greater hardness and reduced abrasive wear resistance compared to nanocrystalline nickel coatings.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1309-1314
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Creep Behaviour of Modified Mar-247 Superalloy
Autorzy:
Cieśla, M.
Mańka, M.
Binczyk, F.
Gradoń, P.
Powiązania:
https://bibliotekanauki.pl/articles/354216.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel superalloys
creep
macrostructure
microstructre
Opis:
The paper presents the results of analysis of creep behaviour in short term creep tests of cast MAR-247 nickel-based superalloy samples made using various modification techniques and heat treatment. The accelerated creep tests were performed under temperature of 982 °C and the axial stresses of σ = 150 MPa (variant I) and 200 MPa (variant II). The creep behaviour was analysed based on: creep durability (creep rupture life), steady-state creep rate and morphological parameters of macro- and microstructure. It was observed that the grain size determines the creep durability in case of test conditions used in variant I, durability of coarse-grained samples was significantly higher.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 2A; 701-704
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation of Nickel Nanoparticles Using Nickel Raffinate Separated by Solvent Extraction from The Spent FeCl3 Etching Solution
Autorzy:
Park, Il-Jeong
Swain, Basudev
Kim, Dae-Weon
Kim, Geon-Hong
Han, Deok-Hyun
Jung, Hang-Chul
Powiązania:
https://bibliotekanauki.pl/articles/354453.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel
recycling
solvent extraction
chemical reduction
Opis:
FeCl3 bearing etching solution is mainly used for etching of metals used in shadow masks, PCBs and so on. Due course of Invar alloy etching process the FeCl3 bearing etching solution get contaminated with Ni2+ which affect adversely the etching efficiency. Hence, FeCl3 bearing etching solution discarded after several cycle of operation causes an environmental and economic problem. To address both the issues the etching solution was purified through solvent extraction and remained Ni2+ recovered by wet chemical reduction using hydrazine. For optimum Fe3+ extraction efficiency, various extraction parameter were optimized and size and morphology of the recovered pure Ni powder was analyzed. The reported process is a simple process to purify and recover Ni from industry etching solution.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 2; 531-534
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Research Regarding the Rolling Technology of the Fe-Ni Alloys
Autorzy:
Bordei, Marian
Tudor, Beatrice
Powiązania:
https://bibliotekanauki.pl/articles/2106568.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
iron-nickel
rolling technology
mechanical characteristics
Opis:
In the domain of the equipment and apparatus construction, a permanent preoccupation worldwide is ensuring technical performances and high fiability in exploitation. The users’ requirement growth in this field led to producing materials with high characteristics such as iron-nickel alloys having a high nickel content with special magnetic, thermal, or elastic properties. The theoretical and experimental researches had the aim of obtaining cold rolled strip, thin (2.6 mm) and narrow (86 mm) from iron-nickel alloys with 41% Ni (low content of C: 0.02-0.04%; Fe: 58%; other elements: Mn, Si, Cu, Cr, Al: under 1%). Our own experiments aimed to establish an optimal cold rolling technology of hot rolled strips of iron-nickel alloys, in order to obtain cold rolled strips with superior mechanical and technological characteristics, strip profile according to current standards, including a finished product characterization.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 2; 501--505
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Protective role of silibinin over nickel sulfate-induced reproductive toxicity in male rats
Autorzy:
Temamogullari, F.
Atessahin, A.
Cebi Sen, C.
Yumusak, N.
Dogru, M.S.
Powiązania:
https://bibliotekanauki.pl/articles/2087235.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel
silibinin
male
rats
reproductive toxicity
Źródło:
Polish Journal of Veterinary Sciences; 2021, 24, 1; 29-34
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Removal of nickel(II) from industrial wastewater using selected methods: a review
Autorzy:
Kruszelnicka, Izabela
Ginter-Kramarczyk, Dobrochna
Góra, Wojciech
Staszak, Katarzyna
Baraniak, Marek
Lota, Grzegorz
Regel-Rosocka, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/2202888.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nickel
nickel removal
wastewater
adsorption
electrocoagulation
membrane techniques
nikiel
usuwanie niklu
ścieki
adsorpcja
elektrokoagulacja
techniki membranowe
Opis:
Due to the increasing problem resulting from environmental pollution with heavy metals, great emphasis is placed on the development of removal methods of these pollutants from the environment. This study presents a literature review on the methods for the removal of nickel ions from aqueous solutions such as sorption, especially using low-cost sorbents which are very popular in 21 century, electrochemical processes and membrane techniques. It is often impossible to use a single technique for efficient removal of heavy metals from wastewater as the process depends on many factors, such as wastewater composition, pH, temperature and many others. The aim of this review is to present some selected removal techniques of nickel(II) from wastewater from the point of view of their efficiency and applicability.
Źródło:
Chemical and Process Engineering; 2022, 43, 4; 437--448
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Process optimization of nickel extraction from hazardous waste
Autorzy:
Gharabaghi, M.
Irannajad, M.
Azadmehr, A. R.
Majid, E.
Powiązania:
https://bibliotekanauki.pl/articles/204554.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
factorial design
hazardous waste
nickel extraction
optimization
Opis:
Zinc plant residue is a hazardous waste which contains high quantity of nickel and other valuable metals. Process parameters such as reaction time, acid concentration, solid-liquid ratio, particle size, stirring speed and temperature for nickel extraction from this waste were optimized using factorial design. Main effects and their interactions were obtained by the analysis of variance ANOVA. Empirical regression model was obtained and used to predict nickel extraction with satisfactory results and to describe the relationship between the predicted results and the experiment results. The important parameters for maximizing nickel extraction were identifi ed to be a leaching time solid-liquid ratio and acid concentration. It was found that above 90% of nickel could be extracted in optimum conditions
Źródło:
Archives of Environmental Protection; 2012, 38, 3; 29-40
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trace metals in soils and several Brassicaceae plant species from serpentine sites of Serbia
Autorzy:
Tomović, G. M.
Mihailović, N. L.
Tumi, A. F.
Gajić, B. A.
Mišljenović, T. D.
Niketić, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/205251.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Brassicaceae
nickel
trace metal
serpentine soil
Serbia
Opis:
Serpentine soils from 16 sample points in Serbia as well as the roots and shoots of eight Brassicaceae family species: Aethionema saxatile, Alyssum montanum, Alyssum repens, Cardamine plumieri, Erysimum linariifolium, Erysimum carniolicum, Isatis tinctoria, Rorippa lippizensis, were analyzed with regard to their concentrations of P, K, Fe, Ca, Mg, Ni, Zn, Mn, Cu, Cr, Cd, and Pb. Most of the soil samples were typical of ultramafi c sites with low concentrations of P, K and Ca and high concentrations of Mg, Fe, Ni and Zn. Ca/Mg ratio was <1 in most soil samples and Brassicaceae plants. Only in A. montanum, A. repens, E. linariifolium and R. lippizensis was the Ca/Mg ratio >1. The levels of P, K, Fe and Zn were high, Mn and Cu occurred in low amounts, whereas Cr, Cd, Co and Pb were only traceable. In the roots and shoots of A. montanum and A. repens the measured concentrations of Ni were 657 mg kg-1 and 676 mg kg-1 respectively, which is the fi rst instance that such high concentrations of Ni were detected in these two species.
Źródło:
Archives of Environmental Protection; 2013, 39, 4; 29-49
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of increasing nickel content in soil on Miscanthus × giganteus Greef and Deu. Yielding and on the content of nickel in above-ground biomass
Wpływ wzrastającej zawartości niklu w glebie na plonowanie Miscanthus x giganteus Greef i Deu. i zawartość niklu w nadziemnej biomasie
Autorzy:
Bosiacki, M.
Powiązania:
https://bibliotekanauki.pl/articles/204626.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
phytoremediation
continuous phytoextraction
nickel concentration index
nickel contamination
ornamental plants
fitoremediacja
fitoekstrakcja
indeks stężenie niklu
zanieczyszczenie gleby
rośliny ozdobne
Opis:
The aim of the research conducted in a 2-year pot experiment in an unheated plastic tunnel was to determine suitability of Miscanthus × giganteus for phytoextraction of nickel from soil as well as to assess tolerance of this species on increasing concentrations of this metal in soil. Pots were filled with mineral soil (sand) and a mixture of soil with high-moor peat and three levels of nickel were introduced, i.e. 75 mg dm-3, 150 mg dm-3 and 600 mg dm-3 and the control combinations used substrates without the addition of nickel. Nickel was introduced only in the first year of the experiment in the form of nickel sulfate (NiSO4 · 6H2O). Miscanthus × giganteus accumulated a considerable amount of nickel in biomass. Miscanthus × giganteus growing in contaminated mineral soil turned out to be a species tolerant to high nickel concentrations.
Celem badań prowadzonych w dwuletnim doświadczeniu wazonowym w nieogrzewanym tunelu foliowym, było określenie przydatności Miscanthus × giganteus do fitoekstrakcji niklu z gleb, jak również ocena tolerancji tego gatunku na wzrastające stężenia tego metalu w glebie. Wazony wypełniono glebą mineralną (piasek słabo gliniasty) oraz mieszaniną gleby z torfem wysokim i wprowadzono do nich trzy poziomy zawartości niklu: 75 mg·dm-3 , 150 mg·dm-3 oraz 600 mg·dm-3 a jako warianty kontrolne zastosowano podłoża bez jego dodatku. Nikiel został wprowadzony tylko w pierwszym roku badań, w postaci siarczanu niklu (NiSO4·6H2O). Miscanthus × giganteus kumuluje znaczącą ilość niklu w biomasie. Miscanthus × giganteus rosnący w zanieczyszczonej glebie mineralnej okazał się gatunkiem tolerancyjnym na wysokie stężenia niklu.
Źródło:
Archives of Environmental Protection; 2015, 41, 1; 72-79
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface Alloying of Cupronickel Alloy with Aluminum using Tungsten Inert Gas Process
Autorzy:
Koeini, Fatemeh
Sohi, Mahmoud Heydarzadeh
Pirayesh, Parham
Powiązania:
https://bibliotekanauki.pl/articles/2203735.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
copper-nickel
surface alloying
surface melting
aluminum
TIG
Opis:
Surface melting and alloying of Copper-Nickel (Cupronickel) alloy by preplacing aluminum powder and using tungsten inert gas process (TIG) in shielded atmosphere of argon gas were investigated. Surface melting resulted in the formation of a fairly porous dendritic microstructure. Surface alloying with aluminum resulted in the formation of Al2Cu and Al4Cu9 intermetallic compounds along with Cu-rich matrix and unstable martensitic structure. Surface melting reduced the hardness from 140 HV0.1 (substrate) to 70 HV0.1, mainly due to the loss of cold work effect of the initial substrate. On the other hand, surface alloyed zone showed a hardness of 300 HV0.1, mainly due to the formation of intermetallic compound. Tafel polarization results indicated improvement in corrosion resistance of cupronickel alloy after surface melting and alloying.
Źródło:
Archives of Metallurgy and Materials; 2023, 68, 1; 161--170
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis of the Nickel-Cobalt-Manganese Cathode Material Using Recycled Nickel as Precursors from Secondary Batteries
Autorzy:
Jung, Hang-Chul
Han, Deokhyun
Kim, Dae-Weon
Ahn, Byungmin
Powiązania:
https://bibliotekanauki.pl/articles/2049177.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
secondary battery
nickel
recycling
Taylor reaction
cathode materials
Opis:
As the amount of high-capacity secondary battery waste gradually increased, waste secondary batteries for industry (high-speed train & HEV) were recycled and materialization studies were carried out. The precipitation experiment was carried out with various conditions in the synthesis of LiNi0.6Co0.2Mn0.2O2 material using a Taylor reactor. The raw material used in this study was a leaching solution generated from waste nickel-based batteries. The nickel-cobalt-manganese (NCM) precursor was prepared by the Taylor reaction process. Material analysis indicated that spherical powder was formed, and the particle size of the precursor was decreased as the reaction speed was increased during the preparation of the NCM. The spherical NCM powder having a particle size of 10 μm was synthesized using reaction conditions, stirring speed of 1000 rpm for 24 hours. The NCM precursor prepared by the Taylor reaction was synthesized as a cathode material for the LIB, and then a coin-cell was manufactured to perform the capacity evaluation.
Źródło:
Archives of Metallurgy and Materials; 2021, 66, 4; 987-990
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermal Plasma Decomposition Of Nickel And Cobalt Compounds
Rozkład termiczny w plazmie związków niklu i kobaltu
Autorzy:
Woch, M.
Lis, M.
Kołacz, D.
Kamińska, M.
Staszewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/350973.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
plasma
decomposition
cobalt
nickel
plazma
rozkład
kobalt
nikiel
Opis:
The paper presents the study on manufacturing of nickel and cobalt powders by thermal plasma decomposition of the carbonates of these metals. It was shown the dependence of process parameters and grain size of initial powder on the composition of final product which was ether metal powder, collected in the container as well as the nanopowder with crystallite size of 70 - 90 nm, collected on the inner wall of the reaction chamber. The occurrence of metal oxides in the final products was confirmed and discussed.
Źródło:
Archives of Metallurgy and Materials; 2015, 60, 2B; 1361-1364
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badanie katodowych produktów powstałych na powierzchni niklu w bezwodnych roztworach elektrolitów
The Study of Cathode Products Generated on the Surface of the Nickel Electrode in Anhydrous Solutions of Electrolyte
Autorzy:
Bisztyga, M.
Lelek-Borkowska, U.
Banaś, J.
Powiązania:
https://bibliotekanauki.pl/articles/380763.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
nikiel
elektroda niklowa
metanol
redukcja katodowa
analiza powierzchni
mikroskopia elektronowa
nickel
nickel electrode
methanol
cathodic reduction
surface analysis
electron microscopy
Opis:
W artykule przedstawiono metodykę i wyniki badań, jakie otrzymano identyfikując produkty procesów elektrodowych zachodzących w bezwodnych metanolowych roztworach 0.05M CH3ONa – 0.05M LiCl na powierzchni elektrody niklowej. W badaniach wykorzystano spektroskopię w podczerwieni z techniką całkowitego wewnętrznego odbicia (FTIR-ATR). Ponadto przeprowadzono analizę powierzchni elektrody niklowej, po katodowej redukcji przy określonych potencjałach, za pomocą skaningowej mikroskopii elektronowej SEM wraz z analizą badań EDX.
The paper presents the identifying of morphology and composition of surface products occurring on nickel electrode during cathodic polarization in the anhydrous CH3OH – 0.05M CH3ONa – 0.05M LiCl. SEM, EDX and in situ infrared spectroscopy (FTIR-ATR) were used for analysis of surface layer. The investigations showed that nickel electrode undergoes “pseudopassivation” in cathodic range in course of formation of nickel methoxide film. The mechanism of passivation process has been proposed.
Źródło:
Archives of Foundry Engineering; 2014, 14, 4 spec.; 13-16
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preparation of Nickel Powders by Reduction of Nickel Hydroxide Using the Taylor Fluid Flow
Autorzy:
Park, I.-J.
Kim, D.-W.
Kim, G.-H.
Chae, H.-J.
Jung, H.-C.
Powiązania:
https://bibliotekanauki.pl/articles/355021.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Ni(OH)2
nickel
Taylor fluid flow
fine powder
Opis:
In this study, Ni(OH)2 was synthesized by the continuous reaction by the Taylor fluid flow and compared with those prepared from the conventional batch type reaction. The nickel powders were synthesized by reduction of Ni(OH)2 in an aqueous solution with hydrazine hydrate acting as the reductant. And then the characteristics of the nickel powder according to the synthesis method were compared. The average particle size of the synthesized Ni(OH)2 using Taylor reactor was generally decreased about 1.5~2.5 times more than the batch reaction. The nickel powders prepared by the batch reaction highly agglomerated with non-uniform particles. In the Taylor reaction, the agglomeration of particles was broken and uniform nickel powder was produced.
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 3; 1443-1447
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Various Organic Additives in Galvanic Bath on Properties of Ni-SiC Composite Coatings
Autorzy:
Nowak, M.
Mizera, J.
Kłyszewski, A.
Dobkowska, A.
Boczkal, S.
Kozik, A.
Koprowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/357020.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
organic additives
SiC
composite coatings
nickel coatings
zeta potential
Opis:
The paper presents the results of the electrodeposition of nickel composite coatings reinforced with the ceramic SiC particles. A Watts type galvanic bath modified with various organic additives was used. These additives were: 2-sulfobenzoic acid imide (LSA), dioctyl sulfosuccinate sodium salt (DSS), sodium dodecyl sulfate (SDS), tris (hydroxymethyl) aminomethane (THAM) and hexamethyldisilizane (HMDS). The nickel composite coating was electrodeposited on a 2xxx aluminum alloy series substrate (EN-AW 2017) with zinc interlayer. Studies concerned the effect of the applied organic additives on properties of composite coatings such as: microstructure, microhardness, adhesion to the substrate, corrosion resistance and roughness. The structure of the coatings was assessed by scanning electron microscopy and light microscopy. Based on the studies of zeta potential it was found that the bath modification had a significant impact on the amount of the ceramic phase embedded in metal matrix. The tests conducted in a model 0.01 M KCl solution were not fully representative of the true behavior of particles in a Watts bath.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 4; 1327-1333
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 105

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