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Projects / Programmes source: ARIS

Studies of diffusive and sorption phenomena in vacuum science

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Research activity

Code Science Field Subfield
2.09.00  Engineering sciences and technologies  Electronic components and technologies   

Code Science Field
P240  Natural sciences and mathematics  Gases, fluid dynamics, plasmas 
P250  Natural sciences and mathematics  Condensed matter: structure, thermal and mechanical properties, crystallography, phase equilibria 
T150  Technological sciences  Material technology 
T450  Technological sciences  Metal technology, metallurgy, metal products 
Keywords
adsorption of gasses, desorption of gasses, diffusion, recombination of atoms, outgassing
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (12)
no. Code Name and surname Research area Role Period No. of publications
1.  08797  MSc Tatjana Drglin  Cardiovascular system  Researcher  2004 - 2005  33 
2.  05673  PhD Bojan Erjavec  Electronic components and technologies  Researcher  2004 - 2007  136 
3.  09846  PhD Lidija Irmančnik-Belič  Chemistry  Researcher  2004 - 2007  99 
4.  23989  PhD Andreja Jarc  Computer intensive methods and applications  Researcher  2004  24 
5.  05675  PhD Monika Jenko  Neurobiology  Researcher  2004 - 2007  842 
6.  17199  Nataša Lipovšek    Technical associate  2004 - 2007  81 
7.  17829  Marjetka Markovič    Technical associate  2006 - 2007  0 
8.  21772  PhD Milorad Milun  Materials science and technology  Researcher  2004 - 2007  68 
9.  17830  Janez Osredkar    Technical associate  2004 - 2007  0 
10.  04253  Miroslav Pečar  Electronic components and technologies  Technical associate  2004 - 2007  16 
11.  04254  PhD Janez Šetina  Electronic components and technologies  Head  2004 - 2007  251 
12.  05438  PhD Matjaž Torkar  Materials science and technology  Researcher  2004 - 2007  469 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0206  Institute of Metals and Technology  Ljubljana  5051622000  6,009 
Abstract
The proposed research project is focused to the studies of the diffusion of gasses in materials used in vacuum technology (Hydrogen in stainless steels, helium in different glasses) and the phenomena of adsorption and desorption of different gasses at room temperature on technical surfaces of stainless steels, which are used as construction material for vacuum chambers. The proposed studies are aimed to support the development of the primary static expansion system for the generation of low pressures. This system is currently being built in the Laboratory of Pressure Metrology at the Institute of Metals and Technology in Ljubljana and it is foreseen that this system will serve as Slovenian national standard in the range of medium and high vacuum. The characterisation of the static expansion system requires extensive studies of hydrogen diffusion and outgassing from the chamber walls and the studies of adsorption and desorption of different active gasses which may be used for calibrations in the system. Special attention will be paid to the adsorption of atmospheric gasses and moisture during the venting period of the system whenever the system is opened to the atmosphere during the exchange of vacuum gauges for calibration. The research will also include the experimental studies and numerical modelling of the diffusion of helium at room temperature in different glasses: quartz, prex and kovar.
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