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Wyszukujesz frazę "Adamiak, M." wg kryterium: Autor


Tytuł:
Financing the development of tourism in the Łódź Voivodeship and Oppland county (Norway)
Autorzy:
Adamiak, M.
Napierała, T.
Tematy:
tourism
development
local government
Łódź Voivodeship
Oppland county
turystyka
rozwój
samorząd
województwo łódzkie
Hrabstwo Oppland
Pokaż więcej
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Powiązania:
https://bibliotekanauki.pl/articles/105948.pdf  Link otwiera się w nowym oknie
Opis:
In this paper, the authors determined the specific features of the construction of budgets in Poland and Norway and showed areas of tourism occurrence in the budget classifications of both countries. Then, thoroughly analysed the expenditures made by municipalities and counties of the Lodz region, booked in the financial accounts which content was strongly connected with tourism. Authors had focused on direct relationship, as well as indirect effects on the development of tourism through promotion, development of culture and sport. The obtained results were compared with corresponding values observed in the Norwegian county of Oppland and its municipalities. It should be emphasized that by completing the research project, authors gained knowledge to identify strengths and weaknesses of the of local budgets in Poland and Norway. Flexibility of classification and the high comparability of local government units\\\' budgets at all levels are the main advantages of Polish budgets. On the other hand, the precise description of budgets and high quality of official statistics are undoubtedly advantages of Norwegian local government budgets. The fact is that the resources available to the Norwegian local authorities, even after taking into account the difference between purchasing power of the Norwegian krone and Polish zloty, are objectively higher. It is worth noting that the amount of funds allocated to finance specific activities, such as those related to the development of tourism, cannot be equated with the efficiency of their spending. However this question was not the subject of research undertaken by the authors. Described research project gives the authors the ability to assess the position of tourism in the Polish and Norwegian budget classification. Although the Polish classification revealed a dedicated account that was directly connected with tourism, at the same time it was diagnosed to have minor importance in planning and constructing local budgets. Therefore, the problem with both Polish and Norwegian budgets is the lack of possibilities to perform simple estimations of the amount of resources assigned to the areas of tourism development. The authors suggest to perform a specific study within this range and develop a diagnosis of individual tasks financed by the government and determine the degree of their impact on the development of tourism in the municipalities or counties. Therefore they hope that this article will be a contribution to make further research on the importance of tourism in local government budgets.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of properties of anti-adhesive coatings on the surface of injection moulds made of Al alloys
Autorzy:
Chałada, Ł.
Adamiak, M.
Woźniak, A.
Tematy:
fluoropolymer coatings
abrasive wear
layer thickness
adhesion force
powłoki fluoropolimerowe
zużycie ścierne
grubość warstwy
siła przyczepności
Pokaż więcej
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Powiązania:
https://bibliotekanauki.pl/articles/379326.pdf  Link otwiera się w nowym oknie
Opis:
Purpose: The aim of the research was to determine the most favourable fluoropolymer coatings, deposited on the surface of aluminium moulds, which will be used to share improvements in automotive sectors. Design/methodology/approach: The paper presents the results of the coatings thickness and surface roughness measurements, AFM analysis, contact angle measurements and surface free energy calculation, wear test and adhesion force measurement of three fluoropolymer coatings. Findings: On the basis of the investigation, it can be stated that the properties of the tested coating and their adhesion to the aluminium substrate are different. Based on the obtained results it can be concluded that the coating named Coat_134 was characterized by the optimum properties - well anti-adhesion properties and good mechanical properties. Research limitations/implications: Coating must be applied on the surface of injection tools, with complex shape and wide range of dimensions. Practical implications: Injection moulds for polyurethane foam, reduction of release agent consumption. Originality/value: The paper presents comparative research of fluoropolymer coatings in order to determinate adhesion to polyurethane foam with low density.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties and Structure of Nanocrystalline Layers Obtained by Manual Metal Arc Welding (MMA)
Autorzy:
Górka, J.
Czupryński, A.
Adamiak, M.
Tematy:
nanocrystalline layer
crystallite size
manual metal arc welding
deposit weld
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/351150.pdf  Link otwiera się w nowym oknie
Opis:
The present paper is the result of the investigations of the properties and structure of nanocrystalline layers deposited from iron-based nanoalloy on steel S355N substrate by manual metal arc welding method (MMA). In the process of welding a 100 A current intensity was used with desiccation preheating at 80°C while maintaining the interpass temperature at range of 200°C. The resultant deposit welds were subjected to macro and microscopic metallographic examination, X-ray phase analyses and crystallite size was analyzed by X-ray diffractometry (XRD), additionally EDX chemical composition analysis of precipitates during scanning electron microscopy was performed. Working properties of the obtained nanocrystalline deposit welds were evaluated based on hardness and metal-to-mineral abrasive wear. The results of the deposit welds working properties measurements were compared with the properties of wear resistant steel HARDOX 400 type used as the reference material.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improvement of the Properties of Ti6Al7Nb Titanium Alloy in Terms of the Type of Surface Modification
Autorzy:
Woźniak, A.
Bialas, O.
Adamiak, M.
Tematy:
titanium alloys
sol-gel method
ZrO2 coating
EIS
AFM
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/353294.pdf  Link otwiera się w nowym oknie
Opis:
The paper presents the influence of ZrO2 coating on Ti6Al7Nb titanium alloy depending on the method of deposition. The coatings were made by sol-gel method and atomic layer deposition (ALD). Wettability tests, pitting corrosion assessment and electrochemical impedance spectroscopy (EIS) were carried out in the paper. Complementary macro- and microscopic observations, roughness analysis by profilometric method and atomic force microscopy (AFM) were made. Based on the results obtained, it can be concluded that the type of method of depositing the layer on the surface of the material has a significant influence on its properties and that it should be taken into account during the process of the material improvement. Drawing on the findings presented, it can be inferred that roughness has a significant impact upon the surface wetttability of the tested surfaces and their related corrosion resistance. The obtainment of hydrophobic surfaces is for smaller rougidity values.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Regionalna sieć transportowa determinantą lokalizacji centrów logistycznych w województwie łódzkim
Regional transport network as a determinant of the location of logistics centres in the Łódź voivodeship
Autorzy:
Napierała, T.
Adamiak, M.
Wiśniewska, S.
Tematy:
transport regionalny
węzły transportowe
TEN-T
polityka transportowa
województwo łódzkie
regional transport
transport hubs
transport policy
Łódzkie Voivodeship
Pokaż więcej
Wydawca:
Stowarzyszenie Inżynierów i Techników Komunikacji Rzeczpospolitej Polskiej
Powiązania:
https://bibliotekanauki.pl/articles/193196.pdf  Link otwiera się w nowym oknie
Opis:
Artykuł określa wpływ lokalizacji i znaczenia węzłów transportowych, przebiegu sieci drogowej na rozmieszczenie centrów logistycznych. Analiza oparta była na danych dotyczących istniejącej i aktualnie rozwijanej sieci drogowej o znaczeniu regionalnym, krajowym i międzynarodowym. Dzięki zrealizowanym badaniom możliwe było wskazanie, w jakim zakresie rzeczywiście uwzględniono wagę węzłów sieci transportowej oraz międzynarodową i lokalną politykę transportową w dotychczasowych decyzjach lokalizacyjnych. Pod względem metodycznym udało się wskazać lokalizacje optymalne. Przede wszystkim udało się jednak ocenić podjęte dotąd decyzje lokalizacyjne, w tym wskazać znaczenie różnych determinant owych decyzji. Na podstawie uzyskanych wyników autorzy sformułowali uniwersalne rekomendacje dotyczące rozwoju regionalnej sieci transportowej. Realizacja tematu wynikała z badań podjętych przez autorów na zlecenie Urzędu Miasta Łodzi. Badania dotyczyły charakterystyki i kierunków rozwoju intermodalnych centrów logistycznych w kontekście funkcjonowania Transeuropejskich Sieci Transportowych (TEN-T) w województwie łódzkim, a w szczególności w Łódzkim Obszarze Metropolitalnym.
The main focus of the paper is to indicate the impact and significance of the location of transport hubs and road’s network for the location of logistics centres. The analysis was based on existing and constructed roads’ (regional, national and international level) data. Therefore, it was possible to determine the influence of the transport hubs, international and local transport policy on previous location decisions. Authors identified optimal locations of logistic centres in the Łódź region. Furthermore, authors assessed the location decisions and their determinants. Finally, universal recommendations for the development of the regional transport network have been formulated. This work was partially founded by the Municipality of Łódź. The study focused on the characteristics and trends of development of intermodal logistics centres in the context of the operation of the Trans-European Transport Network (TEN-T) in the Łódź region, particularly in the Łódź Metropolitan Area.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Study of Susceptibility and Evaluation of Causes of Cracks Formation in Braze-Weld Filler Metal in Lap Joints Aluminum – Carbon Steel Made with Use of CMT Method and High Power Diode Laser
Autorzy:
Adamiak, M.
Wyględacz, B.
Czupryński, A.
Górka, J.
Tematy:
braze-welding
intermetallic compound phase
high power diode laser
brazing
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/958197.pdf  Link otwiera się w nowym oknie
Opis:
In this article results of studies on cracks formation susceptibility in braze-welded joints of thin aluminum sheets and double-sided zinc galvanized steel sheets for car body parts made by laser brazing with high power diode laser ROFIN DL 020 and CMT MIG-brazing, with filler material in form of powder and wire accordingly, were presented. Optimal welding parameters were determined by visual acceptance criteria. On joints made with optimal parameters further examinations were carried. Results of macro- and microscopic metallographic examinations, structural roentgenography, EDS microanalysis and hardness tests were presented. Causes of brittle intermetallic Fe-Al phases formation in Al-matrix filler metal in dissimilar aluminum – zinc plated carbon steel joints were pointed.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing of flame sprayed Al2O3 matrix coatings containing TiO2
Autorzy:
Czupryński, A.
Górka, J.
Adamiak, M.
Tomiczek, B.
Tematy:
flame spray process
coating
ceramic powder
abrasive wear resistance
erosion wear resistance
adhesion strength
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/356108.pdf  Link otwiera się w nowym oknie
Opis:
The paper presents the results of the properties of flame sprayed ceramic coatings using oxide ceramic materials coating of a powdered aluininiuni oxide (Al2O3) matrix with 3% titanium oxide (TiO2) applied to unalloyed S235JR grade structural steel. A primer consisting of a metallic Ni-Al-Mo based powder has been applied to plates with dimensions of 5X200X300 mm and front surfaces of ø40x50 mm cylinders. Flame spraying of primer coating was made using a RotoTec 80 torch, and an external coating was made with a CastoDyn DS 8000 torch. Evaluation of the coating properties was conducted using metallographic testing, phase composition research, measurement of microhardness, substrate coating adhesion (acc. to EN 582:1996 standard), erosion wear resistance (acc. to ASTM G76-95 standard), and abrasive wear resistance (acc. to ASTM G65 standard) and thermal impact. The testing performed has demonstrated that flame spraying with 97% Al2O3 powder containing 3% TiO2 performed in a range of parameters allows for obtaining high-quality ceramic coatings with thickness up to ca. 500 μni on a steel base. Spray coating possesses a structure consisting mainly of aluminium oxide and a small amount of NiAl10O16 and NiAl32O49 phases. The bonding primer coat sprayed with the Ni-Al-Mo powder to the steel substrate and external coating sprayed with the 97%Al2O3 powder with 3% TiO2 addition demonstrates mechanical bonding characteristics. The coating is characterized by a high adhesion to the base amounting to 6.5 MPa. Average hardness of the external coating is ca. 780 HV. The obtained coatings are characterized by high erosion and abrasive wear resistance and the resistance to effects of cyclic thermal shock.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Własności i struktura nanokrystalicznych warstw napawanych w odniesieniu do wybranych materiałów konstrukcyjnych odpornych na zużycie ścierne
Evaluation of the properties and structure of nanocrystalline surface layers in relation to selected constructional materials resistant to abrasive wear
Autorzy:
Górka, J.
Czupryński, A.
Adamiak, M.
Kopyść, A.
Tematy:
zużycie ścierne
warstwa nanokrystaliczna
płyta trudnościeralna
napoina
abrasive wear
nanocrystalline layer
abrasion plate
deposit weld
Pokaż więcej
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Powiązania:
https://bibliotekanauki.pl/articles/115089.pdf  Link otwiera się w nowym oknie
Opis:
W pracy przedstawiono własności i strukturę warstw nanokrystalicznych wykonanych łukowo metodą MMA nanostopem na osnowie żelaza na podłożu ze stali S355N w porównaniu do wybranych materiałów konstrukcyjnych odpornych na ścieranie stosowanych obecnie w przemyśle. Uzyskane napoiny poddano badaniom metalograficznym makro i mikroskopowym, określono wielkość ziarna z wykorzystaniem dyfraktometru rentgenowskiego Xpert PRO X-rey. Oceny własności użytkowych uzyskanych warstw nanokrystalicznych w porównaniu do obecnie stosowanych materiałów dokonano w oparciu o pomiar twardości oraz badania zużycia ściernego typu metal-minerał. Wyniki własności eksploatacyjnych warstw odniesiono do własności stali HARDOX 400.
The present paper is the result of the investigations of the properties and structure of nanocrystalline layers deposited from iron-based nanoalloy on steel S355N substrate by manual metal arc welding method (MMA) compared to selected abrasion-resistant construction materials currently used in industry. The resultant deposit welds were subjected to macro and microscopic metallographic examination. Working properties of obtained nanocrystalline deposits weld compared to currently used materials were evaluated based on the hardness, abrasive wear of metal-to-mineral. The results of deposits weld working properties measurements were compared with property of wear resistant steel HARDOX 400 type used as reference material.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of the Process Parameters on the Microstructure and Properties SLM Processed 316L Stainless Steel
Autorzy:
Woźniak, A.
Adamiak, M.
Chladek, G.
Kasperski, J.
Tematy:
SLM
316L stainless steel
corrosion test
wettability
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/351734.pdf  Link otwiera się w nowym oknie
Opis:
Selective Laser Melting (SLM) is a modern manufacturing method with many applications in medicine, aerospace and auto-motive industries. SLM processed materials are characterized by good dimensional accuracy and properties comparable or superior to materials obtained by traditional processing methods. In this paper an SLM process was used to obtain 316L stainless steel parts. This paper presents the microstructure, chemical and phase composition, physicochemical and electrochemical properties of 12 groups of tested samples, differentiated by the SLM processing parameters. Based on the investigation, it can be inferred that the selection of the appropriate SLM parameters is very important to determined final material properties. The samples producedwith the energy density E = 600 J/mm3 were observed to possess optimum properties - a homogeneous structure, density closest to the desired one, good wettability and pitting corrosion resistance.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Joining of the AMC Composites Reinforced with Ti3Al Intermetallic Particles by Resistance Butt Welding
Autorzy:
Adamiak, M.
Tomiczek, B.
Górka, J.
Czupryński, A.
Tematy:
composite materials
intermetallics
Ti3Al
resistance butt welding
mechanical properties
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:
https://bibliotekanauki.pl/articles/353835.pdf  Link otwiera się w nowym oknie
Opis:
The introduction of new reinforcing materials continues to be investigated to improve the final behaviour of AMCs as well as to avoid some drawbacks of using ceramics as reinforcement. The present work investigates the structure, properties and ability of joining aluminium EN-AW 6061 matrix composite materials reinforced with Ti3Al particles by resistance butt welding as well as composite materials produced by mechanical milling, powder metallurgy and hot extrusion techniques. Mechanically milled and extruded composites show finer and better distribution of reinforcement particles, which leads to better mechanical properties of the obtained products. Finer microstructure improves mechanical properties of obtained composites. The hardness increases twice in the case of mechanically milled composites also, a higher reinforcement content results in higher particle dispersion hardening, for 15 wt.% of intermetallics reinforcement concentration composites reach about 400 MPa UTS. Investigation results of joints show that best hardness and tensile properties of joints can be achieved by altering soft conditions of butt welding process e.g. current flow time 1.2 s and current 1400 A. To improve mechanical properties of butt welding joints age hardening techniques can also be used.
Dostawca treści:
Biblioteka Nauki
Artykuł

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