Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Peter Palcek"'
Autor:
Aleksandra Drygała, Zbigniew Starowicz, Katarzyna Gawlińska-Nęcek, Małgorzata Karolus, Marek Lipiński, Paweł Jarka, Wiktor Matysiak, Eva Tillová, Peter Palček, Tomasz Tański
Publikováno v:
Molecules, Vol 28, Iss 15, p 5656 (2023)
In recent years, perovskite solar cells (PSCs) have gained major attention as potentially useful photovoltaic technology due to their ever-increasing power-conversion efficiency (PCE). The efficiency of PSCs depends strongly on the type of materials
Externí odkaz:
https://doaj.org/article/fd6aaa9544094558b33ab88945bbce17
Publikováno v:
Advances in Electrical and Electronic Engineering, Vol 17, Iss 3, Pp 360-366 (2019)
In the paper, we present the results of an investigation of polymethylmetacrylate’s birefringence induced due to applying high-load. The stress-induced birefringence of the polymethylmetacrylate samples was experimentally investigated by an apparat
Externí odkaz:
https://doaj.org/article/bd18f7afb25640869768c02d7797a88b
Publikováno v:
Communications, Vol 17, Iss 3, Pp 62-66 (2015)
In this paper the authors present and discuss results of both fatigue life tests and fatigue crack growth rate tests performed for C30 steel which is used for railway axle manufacturing. The obtained results demonstrate the differences in fatigue str
Externí odkaz:
https://doaj.org/article/8e280cdb70844eebb4c42a993d5b2070
Autor:
Peter Palcek, Maria Chalupova
Publikováno v:
Communications, Vol 8, Iss 2, Pp 44-52 (2006)
The paper deals with the investigation of the breakdown of the impeller wheel of a TG2 Kaplan turbine with the power of 36 MW that was operating for only 6.5 years. To find the cause, both methods of investigation of mechanical properties and analyse
Externí odkaz:
https://doaj.org/article/85adeff644fd4ab68272fecefe5bc0aa
Publikováno v:
Production Engineering Archives, Vol 15(2017), Pp 7-10 (2017)
The article focuses on the analysis of the internal damping changes depending on the amplitude of the magnesium alloy AZ31. Internal damping reflects the ability of the material irreversibly dissipating mechanical energy oscillations. It means that t
Externí odkaz:
https://doaj.org/article/73ad076b34d64097b3124bc29d604f68
Publikováno v:
Production Engineering Archives, Vol 14(2017), Pp 15-18 (2017)
Austenitic stainless steels are materials, that are widely used in various fields of industry, architecture and biomedicine. Their specific composition of alloying elements has got influence on their deformation behavior. The main goal of this stud
Externí odkaz:
https://doaj.org/article/0969d692b53a42b19631fb47434cf3d3
Publikováno v:
Applied Engineering Letters, Vol 2, Iss 1, Pp 22-26 (2017)
The aim of the article was to identify and characterize the precipitates formed in the aluminum alloys with the addition of antimony. The performed investigation was on the casting aluminium alloy based on ENAC-AlMg5Si2Mn (ENAC-51500) used in the aut
Externí odkaz:
https://doaj.org/article/214dc2faa2ce41228d738a0dcdcf6de5
Autor:
Milan Uhríčik, Zuzana Dresslerová, Peter Palček, Mária Chalupová, Zuzanka Trojanová, Patrícia Hanusová
Publikováno v:
Crystals, Vol 10, Iss 7, p 608 (2020)
Amplitude dependent internal friction (ADIF) was measured in three AZ magnesium alloys. Two types of experiments were performed: ADIF was measured step by step with the increasing strain amplitude and ADIF was measured after predeformation of samples
Externí odkaz:
https://doaj.org/article/399edda34be1486497798bf9da706820
Publikováno v:
Production Engineering Archives, Vol 6/1(2015), Pp 17-20 (2015)
The article is focused on the analysis of changes in the dependence on temperature on the aluminium alloy EN AC 51200 (10,1% Mg, 1,32% Si and 0,43% Mn) by internal friction. Internal friction is a property of the material measured on the ultrasonic r
Externí odkaz:
https://doaj.org/article/2755f7f0e00b47fbb538a9f3e06236cf
Publikováno v:
Production Engineering Archives, Vol 1/1(2013), Pp 6-9 (2013)
The quality of welded joint is an assumption of long-term reliability in operation. On the contrary, defective work of bad quality welded joint leads to fracture and crashes of plants. In this paper the authors state that experimentally obtained caus
Externí odkaz:
https://doaj.org/article/27e9bd0d79ae4a5b828d66313cd9dd6b