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Search results for: non-destructive testing
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The surface of a fragment of the structure of an integrated circuit in the semi-contact mode.
Open Research DataThe surface of a fragment of the structure of an integrated circuit. Topographic measurements in the semi-contact mode. NTEGRA Prima (NT-MDT) device. NSG 01 probe.
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Preparation to ball on disk test Initial contact stress evaluation
Open Research DataEvaluation of initial contact stress in tests on wear of Al6061 alloy in ball on disk tribological testing. Research on the reinforcing effect of aluminium alloy injection reinforcement with TiN and WC powders in laser remelted surface layer.
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Reinforced aluminium reference measurement R63 – earlier tests
Open Research DataPreliminary testing of aluminium alloys against 100Cr6 steel ball. Preparation to tests on wear of Al6061 alloy in ball on disk experiment. Research on the reinforcing effect of aluminium alloy injection reinforcement with TiN and WC powders in laser remelted surface layer.
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Reinforced aluminium reference measurement Result1 – earlier tests
Open Research DataPreliminary testing of aluminium alloys against 100Cr6 steel ball. Preparation to tests on wear of Al6061 alloy in ball on disk experiment. Research on the reinforcing effect of aluminium alloy injection reinforcement with TiN and WC powders in laser remelted surface layer.
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Ball on disk test AL(rf.)-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 not treated (reference).
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Ball on disk test AL(rf.)-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 not treated (reference).
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Ball on disk test AT4_11-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 TiN powder injected (AT4_11).
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Ball on disk test AT3_21-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 TiN powder injected (AT3_21).
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Ball on disk test AW4_1-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 WC powder injected (AW4_1).
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Ball on disk test AT4_4-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 TiN powder injected (AT4_4).
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Ball on disk test AW4_11-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 WC powder injected (AW4_11).
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Ball on disk test AT4_1-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 TiN powder injected (AT4_1).
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Ball on disk test AT4_41-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 TiN powder injected (AT4_41).
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Ball on disk test AT3_2-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 TiN powder injected (AT3_2).
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Ball on disk test AW4_4-Al2O3-r15
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 15 mm. Disk material: Al6061 WC powder injected (AW4_4).
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Ball on disk test AW4_41-Al2O3-r25
Open Research DataHard particle reinforced Al6061 alloy testing. Laser remelting and kinetic injection of particulate material. Ball on disc tribological test. Ball material: Al2O3. Ball diameter: 5 mm. Sliding path radius: 25 mm. Disk material: Al6061 WC powder injected (AW4_41).
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Bacteria in the area of influence of sewage tretment plant Gdynia - Dębogórze in 2009
Open Research DataThe dataset contains the results of microbiological testing of water from Gulf of Puck in surrounding area of Mechelinki town. The aim of the test was to assess the influence of discharging communal sewage into the waters of Gulf of Gdańsk by sewage pipeline located in Mechelinki town area, on the sanitary condition of these waters. The samples were...
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Influence of bio-polyols with different molecular weight on properites of PUR-PIR foams
Open Research DataThis work attempts to validate the possibility of replacing petrochemical polyols with previously synthesized bio-polyols and their impact on the structure and properties of rigid polyurethane-polyisocyanurate (PUR-PIR). The influence of bio-polyols addition on foam properties was investigated by mechanical testing, Fourier transform infrared spectroscopy...
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The effect of wax foundation addition to PCL filaments on mechanical properties.
Open Research DataThe dataset includes the effect of wax foundation addition on the basic mechanical properties of the filaments. PCL and wax foundation addition at 10 and 15% were used for extrusion. The mechanical properties of the resulting filaments were evaluated by a double compression test using an Instron model 5543 universal testing machine. Parameters such...
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Bacteria in water and bottom sediments in Puck Bay area (Baltic Sea)
Open Research DataThe samples for testing were collected from 5th of November 2007 to 14th of December 2007. In total, there were 147 samples collected from 30 sites, including 57 water samples and 90 sediment samples. Water was sampled from the surface and directly above the layer of bottom sediment. Sediments, regardless of length of the sample core were sampled from...
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Austenitic stainless steel sensitization
Open Research DataHigh-alloy steels, thanks to their composition and content of appropriate alloying additives, are characterized by increased resistance to many corrosive environments. However, this is due to the increased sensitivity of the described construction materials to specific environmental conditions during their use. An example may be the increased susceptibility...
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Rate performance of (NH4)2V10O25·8H2O as cathode material in Li-ion batteries
Open Research DataThe DataSet contains the galvanostatic charge/discharge curves of the ammonium vanadate nanostructures obtained by the hydrothermal method under an initial pressure of 50 bar ((NH4)2V10O25·8H2O). The battery tests of the samples were performed using the ATLAS 0961 MBI multichannel battery testing system with different current densities in the voltage...
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Influence of the presence of rhamnolipids and ionic cross-linking conditions on the mechanical properties of alginate hydrogels.
Open Research DataThe dataset contains the results of determination the effect of rhamnolipids concentration, calcium chloride concentration and ionic cross-linking time on the mechanical properties of alginate hydrogels prepared by immersing the alginate mixture limited by the dialysis membrane in an appropriate cross-linking solution containing calcium ions. The mechanical...
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Rate performance of mixture (NH4)2V6O16 and (NH4)2V10O25·8H2O as cathode material in Li-ion batteries
Open Research DataThe DataSet contains the galvanostatic charge/discharge curves of the ammonium vanadate nanostructures obtained by the hydrothermal method without initial pressure (mixture (NH4)2V6O16 and (NH4)2V10O25·8H2O). The battery tests of the samples were performed using the ATLAS 0961 MBI multichannel battery testing system with different current densities...
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Wave propagation signals in concrete beams under 3-point bending
Open Research DataThe DataSet contains the results of the mechanical behaviour of a concrete beams with dimensions 40 x 40 x 160 cm3under the 3-point bending. The beams were made of concrete with the following ingredients: CEM I 42.5R (450 kg/m3), water (177 kg/m3), sand 0-2 (675 kg/m3) and gravel 2-8 (675 kg/m3). The bending test was performed using a Zwick/Roell Z10...
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Detection of UPEC IH11128 ability to form biofilm in a standard congo red (CR) method of colony staining.
Open Research DataA standard method of testing E. coli's ability to form biofilm is based on the analysis of morphologyof bacterial colonies grown on yeast extract/casamino acids (YESCA) nutrient agar medium containing congored (CR) as an indicator dye of ECM production. The CR dye adsorbed from the culture medium bybacteria binds to the components of the ECM, including...
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Finite element models used in diagnostics of transverse cracks in bridge approach pavement
Open Research DataTransverse cracks in the asphalt pavement were observed on bridge structures next to single-module expansion joints with a 5 meter approach slab set at the depth of 1 m. The finite element (FE) models of the approach pavement were created to investigate the reasons of premature cracking and crack initiation mechanism over the back edge of the abutment...
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Mercury intrusion porosimetry (MIP) results of cement pastes containing iron oxide (Fe3O4) nanoparticles (nanomagnetite)
Open Research DataMercury intrusion porosimetry (MIP) data - curves of cement pastes containing iron oxide (Fe3O4) nanoparticles (nanomagnetite) in *.opju (Origin) format.
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Ultrasonic wave propagation and digital image correlation measurements of steel bars under 3-point bending
Open Research DataThe DataSet contains the results of the mechanical behaviour of a bar under a 3-point bending test. The bar was made of steel and had a cross-section of 5.96 × 5.96 mm2 and a length of 200 mm. The three-point bending test was performed using a Zwick/Roell Z10 universal testing machine (UTM), with a distance between supports of 12 cm. The parameters...
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Ways to promote and increase the level of quality at private universities in Gdańsk, Sopot and Gdynia
Open Research DataTo exist and develop, universities must first of all have someone to educate. With considerable market competition, they must undertake intense marketing activities to reach the client, i.e. the potential student. Moreover, such activities are the main goals of non-public universities and are taken into account when building a strategy. Research shows...
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Destruction of AFM probes during normal operation
Open Research DataThe quality of the images obtained with the use of an atomic force microscope is determined by the state of the blade interacting with the tested material. Image artifacts can be generated by various reasons, such as oxidation, contamination or an error in blade fabrication, but also appear as a result of the repeated scanning process and inevitable...
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Macroscopic examination of CuNiFeR pipeline
Open Research DataCopper and nickel alloys called cunifers (Cu, Ni, Fe and R – rest of alloy elements) have found wide application in the production of ship pipeline components in contact with sea water, such as, for example, the main engine cooling system. These alloys are characterized by a very high corrosion resistance, which is ensured by appropriately carried out...
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Microscopic examination of CuNiFeR pipeline
Open Research DataCopper and nickel alloys called cunifers (Cu, Ni, Fe and R – rest of alloy elements) have found wide application in the production of ship pipeline components in contact with sea water, such as, for example, the main engine cooling system. These alloys are characterized by a very high corrosion resistance, which is ensured by appropriately carried out...
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Tensile strength test of PE foils modified with zinc oxide and zinc salts
Open Research DataThis dataset contains the results of PE foils mechanical tests, in which the material was evaluated for strength and extensibility at the moment of breaking and based on the same tests preceded by material fatigue in 50 stretching cycles. The principle of the method is to stretch the test sample placed in the clamps of the stretching apparatus at a...
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Tensile test of part of CuNiFeR pipeline
Open Research DataCopper and nickel alloys called cunifers (Cu, Ni, Fe and R – rest of alloy elements) have found wide application in the production of ship pipeline components in contact with sea water, such as, for example, the main engine cooling system. These alloys are characterized by a very high corrosion resistance, which is ensured by appropriately carried out...
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Atomic force microscopy images of copper electrical contacts wear under the influence of friction
Open Research DataMeasurement of wear of copper electrical contacts under the influence of friction. Imaging in contact mode in the variant of scanning spreading resistance microscopy. Additionally, there are spectroscopic current-voltage curves showing local changes in electrical conductivity. NTEGRA Prima (NT-MDT) device. Probe NSG 01Pt.
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Compression test results of fused filamend fabricated polylactyde and polylactyde with carbon fiber filler
Open Research DataThe DataSet contains the results of the mechanical behaviour of cube specimens with dimensions 30 x 30 x 30 cm3. The specimens were additively manufactured with the fused filament fabrication (FFF) method. They used two different materials polylactide (PURE PLA) and polylactide with carbon fibre filler (PLA+CF). The specimens were segregated into three...
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Tax rates for the payroll and profit tax for financial institutions Israel 2002-2015
Open Research DataThe following dataset presents the historical tax rates for the payroll and profit tax paid by financial institutions (non-VAT taxation) in Israel. The data presented in the dataset concerns 2002-2015.
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Students receiving scholarships in 1990-2011
Open Research DataSince 2005, the financial support system for students has been operating on the basis of on the Act of 27 July 2005, the Law on Higher Education (Journal of Laws No. 164, item 1365), as amended, and detailed regulations for determining the amount, awarding and payment of financial assistance benefits for students determined by rectors in consultation...
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Poland’s energy dependence - economic context
Open Research DataPoland does not have vast resources of non-renewable energy and no nuclear power plant, therefore the issue of the energy dependence of the state, which affects the level of energy security of the country, is an extremely important factor. It depends on both the volume of imports of energy raw materials and the policy of diversification of sources of...
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The degree of mission implementation, promotion and achievement of goals of the studied universities in Gdańsk, Sopot and Gdynia in 2011
Open Research DataAll surveyed universities declare that they have a specific mission. The mission of each organization is nothing but the reason for its existence which distinguishes it from all the others. The mission of non-public universities should translate into tasks that it must perform in order to achieve its goals.
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Number of students per one lecturer in the academic year 2010/2011 at Polish univeristies
Open Research DataAs at the end of December 2010, 103.5 thousand academic teachers worked in universities (full-time and part-time equivalent to full-time employment), including 1.9 thous. foreigners. Teachers working in public schools accounted for almost 82.7% of the total number of employees in higher education, and lecturers from non-public universities - 17.3%....
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Students and graduates of higher education institutions in 1990-2011 (with foreigners) in Poland
Open Research DataIn the last thirty years, there has been a spontaneous development of science and economy, with particular emphasis on the non-public education sector. It seems that the situation in the higher education market has now stabilized,with a slight downward trend in absolute terms.
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Bricks images dataset
Open Research DataThe set contains 200 images of various wooden bricks of various shapes and colors placed on a background (blanket) with some heart shaped patterns. Each photo is available in 300x300 and 224x224 pixels size in PNG format. Photos are divided in 10 classes – 8 types of bricks photographed form various angles + 2 additional classes (multiple bricks at...
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Tensile test results of fused filamend fabricated polylactyde and polylactyde with carbon fiber filler
Open Research DataThe Dataset contains the results of the mechanical behaviour of dog-bone shaped specimens. The specimens were additively manufactured with the fused filament fabrication (FFF) method. They used two different materials polylactide (PURE PLA) and polylactide with carbon fibre filler (PLA+CF). The specimens were segregated into three groups - unsterilized,...
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Place attachment, place identity, and satisfaction with urban aesthetic.
Open Research DataThe data include individual responses on the following scales (1) place attachment, (2) place identity, and (3) satisfaction with an urban aesthetic. Each line represents responses obtained from one participant and his or her demographic characteristics. like gender, age, and education level.
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in ambient temperature
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in 0°C
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Mechanical properties of VL E27 steel for shipbuilding – tensile test in -20°C
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....
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Mechanical properties of VL E27 steel for shipbuilding –SEM fracture investigation (Charpy test in +20°C)
Open Research DataOne of the basic divisions of steels used for ship hulls and ocean engineering structures is the division into: normal strength steels, high strength steels and extra high strength steels. The belonging to the group is determined by the mechanical properties of the steel, such as: yield point, ultimate strength and plastic elongation after fracture....