Autor: Lipták, P. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Changes in Mechanical Properties of Armoured UHSLA Steel ARMOX 500 After Over Tempering
Autorzy:: Barényi, I.
Híreš, O.
Lipták, P.
Powiązania:: https://bibliotekanauki.pl/articles/403685.pdf
Data publikacji:: 2013
Wydawca:: Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
Tematy:: mechanics
mechanical properties
armoured steel
Opis:: ARMOX steel is an armoured steel with excellent mechanical properties as well as dense hardness, tensile strength and a high level of toughness. These properties result from specific production processes finished with rolling quenching and tempering. The producer of ARMOX steel recommends their secondary processing (cutting, welding, shaping) at temperatures lower than 200°C due to over tempering and the degradation of mechanical properties in heat affected areas. This paper describes the mechanisms and reasons for this degradation including the simulation of the cooling processes concerning ARMOX 500 steel.
Źródło:: Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa; 2013, 4, 4 (14); 7-13
2081-5891
Pojawia się w:: Problemy Mechatroniki : uzbrojenie, lotnictwo, inżynieria bezpieczeństwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Investigate the Possibility of Tekcast Methods Used for Casting Polymeric Resin Materials
Autorzy:: Mäsiar, H.
Repka, L.
Lipták, P.
Híreš, O.
Powiązania:: https://bibliotekanauki.pl/articles/382667.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Tekcast method
silicone mold
polymeric resins
casts
metoda Tekcast
żywica polimerowa
odlewy
Opis:: Contribution gives an overview of knowledge about the method of centrifugal casting with orientate on Tekcast system. Company Tekcast Industries has developed a device for centrifugal casting, extending the area of production of castings or prototyping of metal or plastic. Materials suitable for the centrifugal casting with flexible operating parameters may include non-ferrous metal alloy based on zinc or aluminum or non-metallic materials such as polyester resins, polyurethane resins, epoxy resins, waxes and the like. The casting process is particularly suitable for a wide range of commercial castings and decorative objects.
Źródło:: Archives of Foundry Engineering; 2014, 14, 2; 116-122
1897-3310
2299-2944
Pojawia się w:: Archives of Foundry Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Volumes determination in terms of various data density and surface diversity
Autorzy:: Sokol, S.
Bajtala, M.
Lipták, M.
Brunčák, P.
Powiązania:: https://bibliotekanauki.pl/articles/91995.pdf
Data publikacji:: 2014
Wydawca:: Główny Instytut Górnictwa
Tematy:: theoretical surface
terrestrial laser scanning
volume calculation
density of surface
diversity of surface
powierzchnia teoretyczna
skanowanie laserowe naziemne
obliczanie objętości
gęstość powierzchni
różnorodność powierzchni
Opis:: Purpose The aim of this paper is to assess the impact of input data density and diversity on surfaces obtained using the terrestrial laser scanning (TLS) method for creating digital elevation model (DEM). For this we can use several approaches, while we have chosen an intermediary parameter – volume calculation, which is in practice the most frequently requested requirement from surveyors. Methods Precise terrestrial measurement and terrestrial laser scanning were used to ensure that detailed knowledge about the surface and volumes of two piles of earth and a stone pit in comparison with theoretical defined surfaces was obtained. Results Mathematically defined surfaces generally have smooth shapes, and thus the effect of different density on the input data is less apparent in the final comparison of volumes. In our case the results for most of the different interpolation methods and the different density of the input data was less than 0.5%. From the experimental measurements of the two earth bodies and the quarry, which have an irregular shape with unsmooth surfaces, we can only test the relative precision of the calculated volumes to the data with the highest density. Experimental measurements in the area of the quarry, where the scanned surface was uneven and considerably different in height, confirmed the assumption that a vastly irregular surface should exhibit more significant variations than a smooth surface, but for the nearest neighbour method relative errors under 1% were achieved. Practical implications According to the results from the analysis above, the lower density of input data we have, the lower the precision of calculating volumes we can assume, but it is interesting that we did not achieved significantly worse results with strongly irregular surfaces compared to a less irregular surface. Originality/ value The input values for the analysis of theoretically defined surfaces were obtained by the calculation of integral calculus and earth-moving bodies and quarry from an experimental measurement terrestrial laser scanning method and were used in Slovakia for the first time.
Źródło:: Journal of Sustainable Mining; 2014, 13, 4; 23-27
2300-1364
2300-3960
Pojawia się w:: Journal of Sustainable Mining
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: New trends of automate bridge monitoring
Autorzy:: Kopacik, A.
Kyrinovic, P.
Erdelyi, J.
Liptak, I.
Powiązania:: https://bibliotekanauki.pl/articles/225592.pdf
Data publikacji:: 2011
Wydawca:: Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:: deformacja powierzchni
mosty
pomiary
deformation of surface
bridge
measurements
Opis:: Instruments with ATR were used in Slovak Republic for first time in year 1990 during the loading test of the Bridge Lafranconi in Bratislava within cooperation with the Institute of engineering surveying of TU Vienna. Results from at that time testing measurements were positive and support the experience of usage this type of instruments for deformation measurement during the bridge loading in the future.
Źródło:: Reports on Geodesy; 2011, z. 1/90; 173-181
0867-3179
Pojawia się w:: Reports on Geodesy
Dostawca treści:: Biblioteka Nauki

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