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Content available remote Aspekty formalno-prawne w procesie projektowania instalacji ochrony katodowej
Chojan Krzysztof, Malicki Maciej, Walkowiak Dominik
Ochrona przed Korozją
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2023
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nr 8
253--258
PL
W artykule przedstawiono kwestie formalno-prawne związane z procesem projektowania instalacji ochrony katodowej. Zwrócono uwagę na problem nieuwzględnienia ochrony katodowej w ustawie Prawo budowlane, co komplikuje uproszczone procedowanie projektów w organach administracji architektoniczno-budowlanej. Opisano również czynności formalno-prawne przeprowadzane podczas procesu projektowania, procedury urzędowe i terminy ich realizacji oraz typowe problemy związane z uzgadnianiem dokumentacji.
EN
The paper presents the process cathodic protection design in the context of formal and legal aspects. The problem of the lack of classification of cathodic protection in the Construction Law Act was discussed, which complicates the simplified proceeding of projects in the architectural and construction administration authorities. The formal and legal activities occurring during the design process, official procedures and the course of their administrative deadlines as well as typical problems related to the reconciliation of documentation are also presented.
2
Content available Detection of Sub-Surface Defects in Semi-Finished Products from Aluminum Alloys by the Eddy Current Method
Krysztofik Józef, Malicki Maciej
Fatigue of Aircraft Structures
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2021
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Iss. 13
31--39
EN
The article presents the results of tests aimed at detecting discontinuities in the subsurface layer of elements intended for further processing. For the initial identification of discontinuities, the method of computed tomography was used. Based on the tomographic images of selected typical defects and measurements of the electrical conductivity of the material, the parameters for the eddy current tests were determined. A series of discontinuities in the subsurface layer to a depth of about 0.48 mm were detected. This allowed, at a given stage of machining, relevant elements to be selected for further processing.
3
Content available Microstructural And Mechanical Properties Of Selective Laser Melted Inconel 718 For Different Specimen Sizes
Madejski Bartosz, Malicki Maciej, Czarnewicz Sławomir, Gruber Konrad
Fatigue of Aircraft Structures
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2020
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Iss. 12
15--26
EN
Selective laser melting (SLM) falls into the category of additive manufacturing technologies that are being increasingly used in the aerospace industry. This study presents the results of the examination of the microstructure and mechanical properties of selective laser melted Inconel 718. The tests were carried out for samples of different geometry (thickness, shape). The investigation showed the effect of the specimen’s size and the printing direction on the microstructure and mechanical properties. In the microstructural investigation, light and scanning electron microscopes were used. The microstructure investigation included measurements of the grain size and the carbides’ content. In order to estimate porosity computer tomography was used. Tensile tests were carried out at room temperature. The results showed differences in mechanical and microstructural properties of different size specimens.
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