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Zeszyty Naukowe. Mechanika / Politechnika Opolska
EN This paper deals with the fatigue crack growth behavior of aluminum alloys 2024, 7075 and 8090 subjected to variable amplitude loading. Different aspects considered are : single overload tests in air and in vacuum at load ratios R of 0.1 and 0.5, repeated overload tests and tests under an aircraft w[...]
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Journal of KONES
EN The matter of laser percussive strengthening by shock wave generated from laser pulse (LSP - Laser Shock Peening or LPS - Laser Percussive Strengthening) is presented. The building of the investigative position to making the quick photo of the laser influence with the subject was described. The idea[...]
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Journal of KONES
EN The article presents the research results on the mechanical properties of aluminum alloy 7020 and its MIG welded joints. For comparison alloy 5083 - the most currently used in shipbuilding alloy was chosen as well as 5059 -the new high-strength alloy. Besides the native material alloys there were in[...]
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Journal of KONES
EN The work was done as apart of the IMPERJA Eureka Project. The goal of the IMPERJA project is to increase the fatigue life of riveted joints, which will lead to an increase of the aircraft service life, a smaller number of inspections and lower operation costs of an aircraft. The consortium intends t[...]
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Rudy i Metale Nieżelazne
2010 R. 55, nr 7 491-495
PL Aluminiowe taśmy cienkie ze stopu 3003 platerowane stopem 4343 produkowane są w przemyśle krajowym z przeznaczeniem na wyroby uzyskiwane metodą zgrzewania powierzchniowego. Istotną rolę w procesie zgrzewania odgrywa warstwa niskotopliwego plateru. Struktura rdzenia taśm platerowanych nie różni się w[...]
EN In Polish aluminium industry, aluminium 3003 alloy strips clad with 4343 alloy are manufactured for products obtained by surface brazing. Aluminium 3003 alloy contains 1.0-1.5 % manganese, up to 0.7 % iron, 0.6 % silicon, and 0.2 % copper. Aluminium 4343 alloy contains 7-8 % silicon, 0.8 % iron, and[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The objective of this applied research is to investigate the MQL deep hole drilling method, in order to increase productivity and replace the current method of drilling main oil gallery holes in aluminum alloy cylinder blocks that uses MWFs. Design/methodology/approach: The experimentation [...]
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Advances in Materials Science
EN The results of same corrosion and stress corrosion tests under constant sustained load, made on Al-Mg and Al-Zn-Mg alloys at corrosion and anodic potentials, are presented. The long term exposure of the alloys at anodic potentials is shown to be accompanied by fast failure, remarkable decrease in th[...]
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Archives of Metallurgy and Materials
2017 Vol. 62, iss. 2B 1131--1135
EN CNT has been researched significantly due to its properties especially mechanical and conductivity properties. Due to strong affinity between particles, dispersion has been remained a problem for its applications. Ultrasonication technique was used to disperse CNT on aluminum powder. Ultrasonication[...]
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Journal of Machine Engineering
EN In modern machining industry, the use of computer software is an integral element in the design of technological processes. This work aims to present possibilities for optimization of milling operations with the use of commercial software designed especially for that use. A face milling operation of[...]
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Archives of Metallurgy and Materials
2017 Vol. 62, iss. 3 1659--1664
EN In this paper the results of the microscopic observations of the intermetallic AlFeMnSi phases crystals formed in the liquid hypo- and eutectic AlSi alloys containing transition metals 3.0 wt.% Fe and 0.1, 0.5 and 2.0 wt.% Mn were presented. The crystals morphology has been revealed on both polished[...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 47, nr 2 115--136
EN Purpose: The goal of the research presented in this paper is to gain a deeper understanding of dynamic solidification processes of metals and alloys through application of improved baseline and fraction solid methodologies to hypoeutectic aluminum-silicon alloys with varying concentrations of silico[...]
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Archives of Metallurgy and Materials
2019 Vol. 64, iss. 4 1487--1493
EN Modern metal forming processes of non-ferrous metals, particularly aluminum and its alloys, are increasingly based on integrated technologies combining numerous operations in one process line. The subject of this paper focuses on the possibility of using materials after mould casting (simulating a c[...]
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Bulletin of the Polish Academy of Sciences. Technical Sciences
EN The structure and hardness of the surface-welds and fusion-welds made on a 2017A aluminum alloy waveguide using the MIG and TIG methods with and without the participation of ultrasonic vibrations were examined. Cross-sections of the fusions and surface-welds thus obtained were observed in a microsco[...]
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Bulletin of the Polish Academy of Sciences. Technical Sciences
2013 Vol. 61, nr 4 893--904
EN Friction Stir Processing (FSP) is a novel solid state processing technique which can be used for microstructural modification of surface layers in metallic materials. This paper analyzes the effects of FSP process parameters on spindle torque acting on the tool and on the tool temperature. It has be[...]
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Journal of KONES
EN Technology development of Friction Stir Welding (FSW) method for joining AW-7020 aluminum alloy elements was described. Two kinds of tools were used during research: with a regular pin and with a „TRI-FLUTE” pin. Tools were with different dimensions and the following parameters changed mandrel’s rot[...]
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Archives of Metallurgy and Materials
EN The continuing high level of demand for lightweight structural materials is the reason for the ever-growing interest in aluminum alloys. The main areas of application for aluminum alloys products are the aerospace and automotive industries. Production of profiles and structural elements from lightwe[...]
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Archives of Metallurgy and Materials
EN Fatigue investigations of two 4XXX0-series aluminum alloys (acc. PN-EN 1706) within a range of fewer than 104 cycles at a coefficient of cycle asymmetry of R = –1 were performed in the current paper. The so-called modified low-cycle test, which provided additional information concerning t[...]
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Hutnik, Wiadomości Hutnicze
PL W pracy pokazano nową metodę otrzymywania drutów z trudno odkształcanych stopów aluminium. Materiały te są wykorzystywane w produkcji drutu elektrycznego i spawalniczego. Niestety proces wytwarzania tych drutów jest skomplikowany i składa się z wielu operacji. Zaproponowana technologia umożliwia zmn[...]
EN In this work the modern technology of receiving wire from non-plastic aluminum alloys has been shown. This materials are used in the manufacture of electrical wire and welding wire. Unfortunately manufacturing process of this wires is complicated and consisted of many technological operations. Propo[...]
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Logistyka
2009 nr 6 CD-CD
PL W artykule przedstawiono zagrożenia bezpieczeństwa konstrukcji obiektów technicznych eksploatowanych w środowisku morskim wykonanych także ze stopów aluminium. Jednoczesne oddziaływanie korozyjnego środowiska morskiego i naprężeń eksploatacyjnych powoduje powolną degradację właściwości wytrzymałości[...]
EN The paper presents potential risks concerning operation safety of technical structures serving in marine environment. Simultaneous action of marine corrosive environment and exploitation stress results in progressive deterioration of material's mechanical properties and its ability to withstand the [...]
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Zeszyty Naukowe Akademii Marynarki Wojennej
PL Przedstawiono wyniki pomiarów przeprowadzonych przy strzelaniu pociskiem kalibru 7,62 mm do próbek o średnicy 50 mm utworzonych z dwóch warstw ze stopu ALZn5Mg2CrZr lub ze stali kadłubowej kategorii A o grubości 6 mm każda i pośredniej warstwy 6-12 mm piasku lub szkła hartowanego kruszonego
EN The results of measurement are presented which were carried out with 50 mm specimens assembled with two 6 mm layers of the ALZn5Mg2CrZr alloy and ship steel of category A and one 6-12 mm intermediate layer of sand or crushed hardened glass when struck by bullets of 7,62 mm calibre
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