Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Viera Homolova"'
Autor:
Peter Prislupcak, Tibor Kvackaj, Jana Bidulska, Pavol Zahumensky, Viera Homolova, Lubos Juhar, Pavol Zubko, Peter Zimovcak, Roman Gburik, Ivo Demjan
Publikováno v:
Materials, Vol 15, Iss 3, p 922 (2022)
The article aims to investigate the effect of different austenitization temperatures on the hot ductility of C-Mn-Al High-Strength Low-Alloy (HSLA) steel. The thermo-mechanical simulator of physical processes Gleeble 1500D was used for steel hot duct
Externí odkaz:
https://doaj.org/article/a5953283f61d476badb140470688f8f9
Autor:
Ladislav Falat, Lucia Čiripová, Viera Homolová, Miroslava Ďurčová, Ondrej Milkovič, Ivan Petryshynets, Róbert Džunda
Publikováno v:
Materials, Vol 17, Iss 17, p 4303 (2024)
This work deals with the effects of two individual isothermal aging experiments (450 °C/5000 h and 700 °C/2500 h) and the subsequent room-temperature electrolytic hydrogen charging of TP316H stainless steel on its Charpy V-notch (CVN) impact toughn
Externí odkaz:
https://doaj.org/article/89c3c7d6901d4c0c98b7e1f6896bb1fb
Publikováno v:
Materials, Vol 16, Iss 15, p 5406 (2023)
An experimental study of the phase equilibria of the Ho-rich part of the Ho-Ir-O ternary system at 1073 K by means of x-ray diffraction, differential scanning calorimetry, and scanning electron microscopy has been carried out. Ho-hcp and four binary
Externí odkaz:
https://doaj.org/article/10799ca1df1449dd8afe023bc943b3bd
Autor:
Viera Homolová, Aleš Kroupa
Publikováno v:
Metals, Vol 11, Iss 11, p 1803 (2021)
The aluminum-rich corner of the Al–Co–Pd ternary system was thermodynamically modeled by the CALPHAD method in the present study. The ternary system is a complex system with many ternary phases (W, V, F, U, Y2, C2). All ternary phases, except pha
Externí odkaz:
https://doaj.org/article/d72c6c1daeeb4c538f1303814323e784
Publikováno v:
Materials, Vol 14, Iss 20, p 6076 (2021)
In this work, the effects of various conditions of short-term rejuvenation heat treatment on room-temperature mechanical properties of long-term aged P92 boiler steel were investigated. Normalized and tempered P92 steel pipe was thermally exposed at
Externí odkaz:
https://doaj.org/article/97b75572146c48e39ec4bf43ea4e65eb
Publikováno v:
Materials, Vol 13, Iss 18, p 4155 (2020)
In this study, the influence of alloying elements on the mechanical properties of iron borides FeB and Fe2B formed in Fe-B-X (X = C, Cr, Mn, V, W, Mn + V) alloys were evaluated using instrumented indentation measurement. The microstructural character
Externí odkaz:
https://doaj.org/article/d61e7c995acf4bf39556613f191d1231
Publikováno v:
Materials, Vol 13, Iss 16, p 3653 (2020)
In the present work, the effects of electrolytic hydrogen charging of T92 steel weldments on their room-temperature tensile properties were investigated. Two circumferential weldments between the T92 grade tubes were produced by gas tungsten arc weld
Externí odkaz:
https://doaj.org/article/26d02afabee643b9b054592b0cbcbdec
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
Phase compositions of B-Fe-Mn-V alloys were studied by several experimental methods (DTA measurement, X-ray diffractions, and scanning electron microscopy). Besides the experimental study of the quaternary system, thermodynamic modelling of the terna
Externí odkaz:
https://doaj.org/article/14b97ae6d5f94d7dbffbb82f13f0ce21
Autor:
Viera Homolová, Lucia Čiripová
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
The isothermal section of the B-Cr-Fe ternary system was studied experimentally at 1353 K. X-ray diffraction and scanning electron microscopy equipped with EDX analyzer were used for determination of phase equilibria and composition of the coexisting
Externí odkaz:
https://doaj.org/article/3e8bff780ecd4028a009f80424d72a7a
Publikováno v:
Advances in Materials Science and Engineering, Vol 2017 (2017)
This paper deals with long-term ageing effects of 9Cr-1.5Mo-1Co-VNbBN (CB2) steel weldment on its impact toughness, creep rupture behaviour, and hardness in relation to microstructure and fracture characteristics. The weldment was studied in PWHT sta
Externí odkaz:
https://doaj.org/article/78ccb8c29784411cb60523e3293b0848