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Purpose: The aim of the paper is to determinate basic parameters for components of demonstrative system which is traffic light pedestrian crossing. Design/methodology/approach: Photovoltaic module was produced from monocrystalline silicon solar cells which were joined in series. Photovoltaic system consists of solar module, astable generator, step-down converter and battery pack. Findings: It`s necessary...
Purpose: The work presents preparation methods, structure characterization and glass-forming analysis of Mg-based bulk metallic glasses in as-cast state. Design/methodology/approach: The studies were performed on Mg60Cu30Y10 and Mg60Cu29Y10Si1 glassy alloys in the form of plates and rods. The amorphous structure of tested samples was examined by X-ray diffraction (XRD). The thermal properties associated...
Purpose: The new approach to the phenomenon of irreversible temper embrittlement was presented in hereby paper. Design/methodology/approach: Proposed in hereby paper, thesis trying to explain the undesirable known for a long time effect is based mainly on the ground of the authors research experience on the investigating of the fracture toughness as well as phase transformations during tempering....
Purpose: The main aim of the this research was the investigation of the microstructure and the mechanical properties of the CrAlSiN+DLC coating deposited by hybrid PVD/PACVD process onto the X40CrMoV5-1 hot work tool steel substrate. Design/methodology/approach: The microstructure of the investigated coating was observed on the scanning electron microscopy and high resolution transmission electron...
Purpose: The aim of this article is to present problems in the production of energy from the renewable resources as is a biodiesel production. The use of human foods that are pure edible oils for biodiesel production is big ethical problem. This problem can be reduced with use of waste cooking oils for the biodiesel production. Besides this use of the waste cooking oils will reduce the raw material...
Purpose: The goal of the study is try to find the influence of plastic deformation using the RCS (repetitive corrugation and straightening) process on the structure and mechanical properties of CuSn6 alloy. The influence of process parameters on the above property were investigated. Obtained results were correlated with the results obtained for alloy subjected to cold rolling. Design/methodology/approach:...
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