Výsledky vyhledávání - "Edward Czekaj"

Microstructural evolution of an Al–Mg–Si–Mn– Fe alloy due to Ti and P addition

Autor: Viktoria Boyko, Adelajda Polkowska, M. Warmuzek, Edward Czekaj, Krzysztof Saja, Konstantin Mikhalenkov

Publikováno v: International Journal of Materials Research. 112:695-705

This paper presents the results of research on material and microstructural effects in a hypoutectic Al–Mg– Si–Mn–Fe alloy, modified by the addition of Ti and Ti + P, in two series of castings, gravity and pressure. It has been found that the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::183dba9412ca1fd335a6c9a644fc6a01
https://doi.org/10.1515/ijmr-2020-7948

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DESIGN OF NEW CASTING ALLOYS OF Al-Mg-Si-Mn SYSTEM WITH ALLOYING ADDITIONS, ITS STRUCTURE AND MECHANICAL PROPERTIES

Autor: Victoriya Boyko, Małgorzata Warmuzek, Kostiantyn Mykhalenkov, Edward Czekaj

Publikováno v: Metallurgy and Foundry Engineering. 43:141

The strength of Al-Mg-Si-Mn casting alloy strongly depends on Mg content in solid solution and precipitation of strengthening phases. Alloys with the nominal composition AlMg5Si2Mn with addition of Li and Ti+Zr were studied by means of differential s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffea97315dce217a08660042fe24a2c0
https://doi.org/10.7494/mafe.2017.43.3.141

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EFFECT OF ADDITIONAL ALLOYING AND HEAT TREATMENT ON THE PHASE COMPOSITION AND MORPHOLOGY IN Al-Mg-Si TYPE CASTING ALLOY

Autor: Edward Czekaj, Viktoriya Boyko, Małgorzata Warmuzek, Kostiantyn Mykhalenkov

Publikováno v: Metallurgy and Foundry Engineering. 43:219

The structure of permanent mold and high pressure die castings of the AlMg5Si2Mn alloy after alloying with Li and Sc has been investigated by scanning and transmission electron microscopy, hardness and microhardness measurements, energy dispersive X-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84e8f43d449b4be53f0c9dbd4904f4b8
https://doi.org/10.7494/mafe.2017.43.3.219

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COMPARISON OF IMPACT OF IMMERSED AND MICRO-JET COOLING DURING QUENCHING ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF HYPOEUTECTIC SILUMIN AlSi7Mg0.3

Autor: Z. Kwak, Edward Czekaj, Aldona Garbacz-Klempka

Publikováno v: Metallurgy and Foundry Engineering. 43:153

This article presents research the results of the mechanical properties at the ambient temperatureof hypoeutectic cast silumin EN AC-AlSi7Mg0.3 (according to EN 1706:2011; analogic to alloyA356 according to AA – the Aluminum Association). As relate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3b31ecf1a893bcd2f3f853cc694ef14
https://doi.org/10.7494/mafe.2017.43.3.153

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AN INTRODUCTION TO THE PROBLEM OF THE CONVERSION OF STRUCTURAL COMPONENTS, INCLUDING COMPONENTS MANUFACTURED BY CASTING TECHNIQUES

Autor: Aldona Garbacz-Klempka, R. Żuczek, Edward Czekaj, S. Pysz

Publikováno v: Metallurgy and Foundry Engineering. 42:21

Modern development of technology features not only dynamic changes aimed at improving the performance characteristics of structural components through the optimum selection of materials, adjustments in design, or upgrade of manufacturing processes, b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8174f808af1698d5ac91cf4afcb4909e
https://doi.org/10.7494/mafe.2016.42.1.21

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THE APPLICATION OF A COMPUTER TECHNIQUE TO ASSESS THE IMPACT OF CHEMICAL COMPOSITION ON DISPERSED SHRINKAGE MICROPOROSITY OF HYPOEUTECTIC CAST SILUMINS

Autor: Edward Czekaj, S. Pysz

Publikováno v: Metallurgy and Foundry Engineering. 40:125

This article presents the possibility of decreasing dispersed shrinkage microporosity in castings of hypoeutectic alloying silumins, as a result of narrowing – within the standards or industrial specifications – the content of particular elements

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::891c3d077fe720cf481cf48decc37ce9
https://doi.org/10.7494/mafe.2014.40.3.125

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Wide-Band Partial Discharge Detector

Autor: Earnest A. Franke, Edward Czekaj

Publikováno v: IEEE Transactions on Electrical Insulation. :112-116

A wide-band peak voltage detector is presented, which is used for measuring partial discharges in submarine telecommunication cable systems. For high-voltage discharge detection of simple dielectric geometries or complete power filters, the wide-band

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d98dad2d9104ce9130a894e32c0b031e
https://doi.org/10.1109/tei.1975.297874

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