Viera Konstantova

Viera Konstantova
University of Žilina · Department of Design and Mechanical Elements

PhD.

About

9
Publications
844
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15
Citations

Publications

Publications (9)
Article
Full-text available
Biomimetic Design is based on basic natural principles. One of the basic natural principle is principle of maximum and minimum. Biological structures or systems can achieve maximum performance and durability with minimal material and energy consumption. More developed system in nature, means the more favorable ratio of this principle. Therefore, th...
Article
Full-text available
Biomimetic Design is based on basic natural principles. One of the basic natural principle is principle of maximum and minimum. Biological structures or systems can achieve maximum performance and durability with minimal material and energy consumption. More developed system in nature, means the more favorable ratio of this principle. Therefore, th...
Article
Full-text available
Decrease of vehicle emissions require design changes already at the initial concept design. Use of fiber reinforced polymer (FRP) composites in design cause reduction of weight with increasing other properties. Paper presents the case study of proposal material for frame concept of special light vehicle design. The flexural test (basically three-po...
Book
This conference proceeding presents contributions to the 59th International Conference of Machine Design (ICMD 2018), organized by the University of Žilina, Faculty of Mechanical Engineering, Department of Design and Mechanical Elements. Discussing innovative solutions applied in engineering, the latest research and developments, and guidance on im...
Article
Full-text available
Investigation of the surface treatment effect on the resistance of AISI 316Ti stainless steel to pitting corrosion is presented in this paper. The grinded surfaces without additional chemical treatment, grinded and pickled, grinded, pickled and passivated surfaces are tested. The corrosion tests are carried out by exposition in solution which evoke...
Article
Full-text available
Nodular cast iron (NCI) is a construction material with a wide range of applications in engineering practice. Since fatigue resistance of NCI is sensitive to surface conditions, the nitriding treatment can be applied because it promotes the formation of a hard, strong surface layer and a system of compressive residual stresses. On the other hand, t...
Article
Full-text available
The paper presents and discusses the influence of structural characteristics such as content of effective ferrite, size of graphite particles and of microshrinkages on fatigue life of gas nitrided nodular cast irons (NCIs). A classical NCI melt and two synthetic melts obtained with addition of SiC to the liquid metal were produced. The surface of a...
Article
The paper presents and discusses the structural characterization, the fatigue behavior and the fracture mechanisms of gas nitrided nodular cast irons (NCIs). Fatigue behavior is strongly dependent on structure but also on defects and inhomogeneity. Results of fatigue behavior on nitrided NCIs show a significant increase in fatigue limit and a diffe...

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