Zobrazeno 1 - 10
of 90
pro vyhledávání: '"M Aints"'
Autor:
K. Piip, H.J. van der Meiden, K. Bystrov, L. Hämarik, J. Karhunen, M. Aints, M. Laan, P. Paris, H. Seemen, A. Hakola, S. Brezinsek
Publikováno v:
Nuclear Materials and Energy, Vol 12, Iss , Pp 694-698 (2017)
Laser-induced breakdown spectroscopy (LIBS) is a promising method for quantifying the fuel content of the plasma-facing components of ITER both in between plasma discharges (in-situ) and after maintenance operations. The aim of the present study is t
Externí odkaz:
https://doaj.org/article/a0ba9d68c020457c90a854060f4e559b
Publikováno v:
Journal of Spectroscopy, Vol 2018 (2018)
The laser-induced breakdown spectroscopy (LIBS) combined with multivariate regression analysis of measured data were utilised for determination of the heating value and the chemical composition of pellets made from Estonian oil shale samples with dif
Externí odkaz:
https://doaj.org/article/6a0db13b708047069247a1da6b924c19
Publikováno v:
Proceedings of the Estonian Academy of Sciences, Vol 69, Iss 2, Pp 134-142 (2020)
Diffuse reflectance spectroscopy in near infrared region was used as a fast laboratory method for quantitative assessment of the calorific value and the moisture content of Estonian oil shale. Samples of different caloricity were collected from Narva
Autor:
K. Piip, M. Aints, Jukka Kolehmainen, Hugo Mändar, Antti Hakola, Sanna Tervakangas, Indrek Jõgi, Cristian P. Lungu, Corneliu Porosnicu, Peeter Paris, Cristian Ruset, E. Grigore, Matti Laan, J. Kozlova
Publikováno v:
Fusion Engineering and Design
Laan, M, Hakola, A, Paris, P, Piip, K, Aints, M, Jõgi, I, Kozlova, J, Mändar, H, Lungu, C, Porosnicu, C, Grigore, E, Ruset, C, Kolehmainen, J & Tervakangas, S 2017, ' Dependence of LIBS spectra on the surface composition and morphology of W/Al coatings ', Fusion Engineering and Design, vol. 121, pp. 296-300 . https://doi.org/10.1016/j.fusengdes.2017.03.173
Laan, M, Hakola, A, Paris, P, Piip, K, Aints, M, Jõgi, I, Kozlova, J, Mändar, H, Lungu, C, Porosnicu, C, Grigore, E, Ruset, C, Kolehmainen, J & Tervakangas, S 2017, ' Dependence of LIBS spectra on the surface composition and morphology of W/Al coatings ', Fusion Engineering and Design, vol. 121, pp. 296-300 . https://doi.org/10.1016/j.fusengdes.2017.03.173
Laser induced breakdown spectroscopy (LIBS) has been applied to study ITER-relevant coatings with different surface morphology and crystallinity. LIBS elemental depth profiles were compared with those obtained by secondary ion mass spectrometry (SIMS
Autor:
M. Aints, Antti Hakola, Mika Koskinen, Jukka Kolehmainen, Sanna Tervakangas, Jari Likonen, J. Karhunen, Peeter Paris, Matti Laan, Juuso T. Korhonen
Publikováno v:
Hakola, A, Likonen, J, Karhunen, J, Korhonen, J T, Aints, M, Laan, M, Paris, P, Kolehmainen, J, Koskinen, M & Tervakangas, S 2015, ' Feasibility of arc-discharge and plasma-sputtering methods in cleaning plasma-facing and diagnostics components of fusion reactors ', Fusion Engineering and Design, vol. 96-97, pp. 101-106 . https://doi.org/10.1016/j.fusengdes.2014.12.003
Fusion Engineering and Design
Fusion Engineering and Design
We have studied the feasibility of arc-discharge and plasma-sputtering methods in removing deposited layers from ITER-relevant test samples. Prototype devices have been designed and constructed for the experiments and the cleaning process is monitore
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 107:61-66
Laser-induced plasma emission spectra of Estonian oil shale and associated limestone with varying moisture content were studied. Time gated spectra excited by 1064 nm laser radiation were recorded. Spectral lines for determination of plasma parameter
Publikováno v:
Journal of Spectroscopy, Vol 2018 (2018)
The laser-induced breakdown spectroscopy (LIBS) combined with multivariate regression analysis of measured data were utilised for determination of the heating value and the chemical composition of pellets made from Estonian oil shale samples with dif
Autor:
Indrek Jõgi, H.J. van der Meiden, J. Likonen, M. Aints, Matti Laan, A. Lissovski, Hugo Mändar, Peeter Paris, K. Piip, Antti Hakola, G. De Temmerman, J. Kozlova, J. Karhunen
Publikováno v:
Journal of Nuclear Materials
Piip, K, De Temmerman, G, van der Meiden, H J, Lissovski, A, Karhunen, J, Aints, M, Hakola, A, Paris, P, Laan, M, Likonen, J, Jogi, I, Kozlova, J & Mändar, H 2015, ' LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma ', Journal of Nuclear Materials, vol. 463, pp. 919-922 . https://doi.org/10.1016/j.jnucmat.2014.11.017
Piip, K, De Temmerman, G, van der Meiden, H J, Lissovski, A, Karhunen, J, Aints, M, Hakola, A, Paris, P, Laan, M, Likonen, J, Jogi, I, Kozlova, J & Mändar, H 2015, ' LIBS analysis of tungsten coatings exposed to Magnum PSI ELM-like plasma ', Journal of Nuclear Materials, vol. 463, pp. 919-922 . https://doi.org/10.1016/j.jnucmat.2014.11.017
The aim of this work was to study the applicability of laser induced breakdown spectroscopy (LIBS) as an in situ method for monitoring plasma facing materials in fusion reactors. Tungsten coated samples were exposed to Magnum PSI plasma using two dif
Autor:
Matti Laan, Antti Hakola, A. Lissovski, J. Karhunen, Peeter Paris, M. Aints, K. Piip, L. Hämarik
Publikováno v:
Journal of Nuclear Materials
Lissovski, A, Piip, K, Hämarik, L, Aints, M, Laan, M, Paris, P, Hakola, A & Karhunen, J 2015, ' LIBS for tungsten diagnostics in vacuum : Selection of analytes ', Journal of Nuclear Materials, vol. 463, pp. 923-926 . https://doi.org/10.1016/j.jnucmat.2014.11.096
Lissovski, A, Piip, K, Hämarik, L, Aints, M, Laan, M, Paris, P, Hakola, A & Karhunen, J 2015, ' LIBS for tungsten diagnostics in vacuum : Selection of analytes ', Journal of Nuclear Materials, vol. 463, pp. 923-926 . https://doi.org/10.1016/j.jnucmat.2014.11.096
A sample of pure bulk tungsten was studied by laser induced breakdown spectroscopy (LIBS) method with the aim to find out a set of W analytic lines allowing a reliable determination of main parameters of the laser-produced plasma. The background pres
Autor:
K. Bystrov, Matti Laan, G. De Temmerman, J. Kozlova, Madis Kiisk, Antti Hakola, Jari Likonen, Peeter Paris, M. Aints, Indrek Jõgi, A. Lissovski
Publikováno v:
Paris, P, Hakola, A, Bystrov, K, De Temmerman, G, Aints, M, Jõgi, I, Kiisk, M, Kozlova, J, Laan, M, Likonen, J & Lissovski, A 2013, ' Erosion of marker coatings exposed to Pilot-PSI plasma ', Journal of Nuclear Materials, vol. 438, no. Supplement, pp. S754-S757 . https://doi.org/10.1016/j.jnucmat.2013.01.161
Journal of Nuclear Materials, 438, Supplement, S754-S757
Journal of Nuclear Materials, 438, Supplement, S754-S757
In this article, laser induced breakdown spectroscopy (LIBS) has been used to study plasma-induced erosion processes. Samples with ITER-relevant coatings were exposed to controlled plasma fluxes whose parameters were characteristic to those occurring