Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Jaromir Drapala"'
Publikováno v:
Applied Sciences, Vol 14, Iss 4, p 1504 (2024)
The aim of this study was to characterize a Zn-Mg type soldering alloy and direct soldering of SiC ceramics with a copper substrate. The Zn1.5Mg solder exerts a wider melting interval. The temperature of the eutectic reaction was 365 °C, and the liq
Externí odkaz:
https://doaj.org/article/079c5fdfb4ef4f44ac1c7060c1a6b2b9
Publikováno v:
Metals, Vol 11, Iss 4, p 624 (2021)
The aim of the research work was to characterize the soldering alloy type Bi-Ag-Ti and to study the direct soldering of silicon and copper. Bi11Ag1.5Ti solder has a broad melting interval. Its scope depends mainly on the content of silver and titaniu
Externí odkaz:
https://doaj.org/article/6cf7bbb732e04cfdbd918c9392a747cd
Publikováno v:
Metals, Vol 11, Iss 1, p 27 (2020)
The aim of the research was to characterize the soldering alloy type Zn–Al–Cu and study the fluxless ultrasonic soldering of the combination of aluminum alloy type Al7075 with copper substrate. The Zn–Al–Cu solder is of the close-to-eutectic
Externí odkaz:
https://doaj.org/article/c0547446047141899c0dc2ae10feefd7
Publikováno v:
Metals, Vol 10, Iss 3, p 343 (2020)
The aim of this research is to characterize the soldering alloy Zn6Al6Ag, and to study the ultrasonic soldering of an Al2O3/metal−ceramic composite (Al/Al2O3). Zn6Al6Ag solder presents a quasi-eutectic structure with a melting point around 425 °C.
Externí odkaz:
https://doaj.org/article/c6a633821acf4db98b3f6deab9354d75
Publikováno v:
Metals, Vol 10, Iss 2, p 160 (2020)
This research aims to develop the direct soldering of aluminum nitride (AlN) ceramics with a copper substrate using Zn−Al−Mg solder. The solder type, Zn5Al3Mg, has a close-to eutectic composition with a melting point of 359 °C. The microstructur
Externí odkaz:
https://doaj.org/article/e064a68dc3a046c195caa379db3c0cd6
Publikováno v:
Materials; Volume 16; Issue 10; Pages: 3795
The aim of the research was to characterize the soldering alloy type Zn-Mg-Sr and direct the soldering of SiC ceramics with Cu-SiC-based composite. It was investigated whether the proposed composition of the soldering alloy was appropriate for solder
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::643e7b2ca3c6b991163f2144782d4fef
Publikováno v:
SGEM International Multidisciplinary Scientific GeoConference� EXPO Proceedings.
The paper deals with the possibility of obtaining zinc and iron from waste galvanic sludge, which arises during galvanic plating. Galvanic sludges, which contain more significant amounts of heavy metals, form wastes that are suitable for recycling. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37400f0d0776d18a383163bd4c52ccc7
https://doi.org/10.5593/sgem2022/4.1/s18.25
https://doi.org/10.5593/sgem2022/4.1/s18.25
Autor:
Roman Kolenak, Igor Kostolny, Jaromir Drapala, Jan Urminsky, Alexej Pluhar, Paulina Babincova, Daniel Drimal
Publikováno v:
Materials; Volume 15; Issue 15; Pages: 5301
The aim of this research was to study the wettability and solderability of SiC ceramics by the use of an active solder of the type Sn5Sb3Ti in a vacuum by electron beam heating. This solder exerts a narrow melting interval, and only one thermal effec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c1ea01204c23d8239487193fd6cb1b8
https://doi.org/10.3390/ma15155301
https://doi.org/10.3390/ma15155301
Publikováno v:
AIMS Materials Science, Vol 10, Iss 2, Pp 213-226 (2023)
The aim of this research was to study the interaction and solderability of Al2O3 ceramics and Ni-SiC composite by use of an active solder type Bi11Ag1.5Ti1Mg. The chemical composition of the solder is 86.5 wt% Bi, 11 wt% Ag, 1.5 wt% Ti, 1 wt% Mg. Sol
Externí odkaz:
https://doaj.org/article/c528f20b2a6d4022aa3a3ff60fc5b6fb
Autor:
Petr Kubíček, Jaromír Drápala
Publikováno v:
Životné prostredie, Vol 54, Iss 4, Pp 236-239 (2020)
This paper briefly summarises the characteristics and relevant properties of nanoparticles and 32 elements which may be contained in the nanoparticles. The Instrumental Neutron Activation Analysis (INAA) is then briefly described, because this method
Externí odkaz:
https://doaj.org/article/d07f8a6461b848ba9bc12f5260c6c1a6