Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Wiesław Frącz"'
Publikováno v:
Applied Computer Science, Vol 13, Iss 4, Pp 65-75 (2017)
In this work the calculations for predicting the properties of wood fiber mats – polyester resin composite using numerical homogenization method were performed. For this purpose, the microstructural strength properties were calculated using DIGIMAT
Externí odkaz:
https://doaj.org/article/b0a715e2512a407582a46311e79843e9
Autor:
Wiesław FRĄCZ, Grzegorz JANOWSKI
Publikováno v:
Applied Computer Science, Vol 13, Iss 3, Pp 77-89 (2017)
In order to reduce costs of experimental research, new methods of fore-casting material properties are being developed. The current intensive increase in computing power motivates to develop the computer simula-tions for material properties predictio
Externí odkaz:
https://doaj.org/article/63bd0da96f1345b294788161685d9ea4
Publikováno v:
Acta Metallurgica Slovaca, Vol 19, Iss 1 (2013)
The paper presents the use of photogrammetric system for verification and optimization of the numerical simulation of sheet metal forming process. The use of GOM Argus photogrammetric system allowed determining the real values of the analyzed drawpie
Externí odkaz:
https://doaj.org/article/5142f40036574ab98edaf710cd44d513
Publikováno v:
Materials; Volume 15; Issue 21; Pages: 7531
This paper aims to experimentally determine the properties of the poly [(3-hydroxybutyrate)-co-(3-hydroxyvalerate)]—(PHBV)—30% hemp fiber biocomposite, which is important in terms of numerical simulations of product manufacturing, and to evaluate
Publikováno v:
Advances in Science and Technology Research Journal, Vol 15, Iss 2, Pp 127-137 (2021)
In this work, a modern biocomposite on the base of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) matrix commonly known as PHBV was produced in the extrusion process, containing 30% by weight of hemp fibers. The use of the above-mentioned filler allowe
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 147:1017-1029
The poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) was used to prepare biocompatible composites modified by the hemp fibers. The aim of the study was to assess the structure and selected thermal and mechanical properties of the obtained biocompo
Publikováno v:
Polymers; Volume 14; Issue 24; Pages: 5370
The paper presents a comparative analysis of two extrusion methods of biocomposites with a poly(3-hydroxybutyrate-co-3-hydroxyvalerate acid) (PHBV) matrix filled with flax and hemp fibers in terms of biopolymer production, its processing in the furth
Publikováno v:
Polymers
Volume 13
Issue 17
Polymers, Vol 13, Iss 2942, p 2942 (2021)
Volume 13
Issue 17
Polymers, Vol 13, Iss 2942, p 2942 (2021)
In order to determine the structure homogeneity of biocomposites filled with fibers, as well as the evaluation of fibers’ arrangement and their orientation on the sample cross-section at varied injection rates, a study was conducted using computed
Autor:
Łukasz Byczyński, Agnieszka Szyszkowska, Vladimir Sedlarik, Anna Czerniecka-Kubicka, Wiesław Frącz, Marek Pyda, Iwona Zarzyka
Publikováno v:
Acta of Bioengineering and Biomechanics. 22
Poly(3-hydroxybutyrate) is a biopolymer used to production of implants in the human body. On the other hand, the physical and mechanical properties of poly(3-hydroxybutyrate) are compared to the properties of isotactic polypropylene what makes poly(3
Autor:
Wiesław Frącz, Grzegorz Janowski
Publikováno v:
Scientific Letters of Rzeszow University of Technology - Mechanics. 35:441-452