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Wyszukujesz frazę "Porter, J." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
On the non-linear sieve
Autorzy:
Porter, J.
Powiązania:
https://bibliotekanauki.pl/articles/1393459.pdf
Data publikacji:
1976
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Źródło:
Acta Arithmetica; 1976, 29, 4; 377-400
0065-1036
Pojawia się w:
Acta Arithmetica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Refurbished Z Facility: Capabilities and Recent Experiments
Autorzy:
Matzen, M.
Atherton, B.
Cuneo, M.
Donovan, G.
Hall, C.
Herrmann, M.
Kiefer, M.
Leeper, R.
Leifeste, G.
Long, F.
Mckee, G.
Mehlhorn, T.
Porter, J.
Schneider, L.
Struve, K.
Stygar, W.
Weinbrecht, E.
Powiązania:
https://bibliotekanauki.pl/articles/1807851.pdf
Data publikacji:
2009-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
52.58.Lq
52.59.Qy
64.60.A-
81.30.Bx
Opis:
The Z Refurbishment Project was completed in September 2007. Prior to the shutdown of the Z facility in July 2006 to install the new hardware, it provided currents of ≤ 20 MA to produce energetic, intense X-ray sources ( ≈1.6 MJ, > 200 TW) for performing high energy density science experiments and to produce high magnetic fields and pressures for performing dynamic material property experiments. The refurbishment project doubled the stored energy within the existing tank structure and replaced older components with modern, conventional technology and systems that were designed to drive both short-pulse Z-pinch implosions and long-pulse dynamic material property experiments. The project goals were to increase the delivered current for additional performance capability, improve overall precision and pulse shape flexibility for better reproducibility and data quality, and provide the capacity to perform more shots. Experiments over the past year have been devoted to bringing the facility up to full operating capabilities and implementing a refurbished suite of diagnostics. In addition, we have enhanced our X-ray backlighting diagnostics through the addition of a two-frame capability to the Z-Beamlet system and the addition of a high power laser (Z-Petawatt). In this paper, we will summarize the changes made to the Z facility, highlight the new capabilities, and discuss the results of some of the early experiments.
Źródło:
Acta Physica Polonica A; 2009, 115, 6; 956-958
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Effects of Finish Rolling Temperature and Niobium Microalloying on the Microstructure and Properties of a Direct Quenched High-Strength Steel
Autorzy:
Kaijalainen, A.
Vähäkuopus, N.
Somani, M.
Mehtonen, S.
Porter, D.
Kömi, J.
Powiązania:
https://bibliotekanauki.pl/articles/350880.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
direct quenching
hot rolling
Nb microalloying
microstructure
CCT diagram
Opis:
This paper comprehends the effects of finish rolling temperature (FRT) and Nb-microalloying on the microstructural evolution and resultant properties of a low carbon direct quenched steel in the yield strength category of ≥900 MPa. Results indicate that a decrease in FRT close to Ar3 temperature significantly influenced the microstructure following phase transformation, especially at the subsurface (~50-400 μm) of the rolled strip. On decreasing the FRT, the subsurface microstructure revealed a fine mixture of ferrite and bainite obviously as a result of strain-induced transformation, whereas the structure at the centreline remained essentially martensitic. Further, Nb-microalloying promoted the formation of ferrite and bainite even at higher FRTs, thus influencing the mechanical properties. The microstructures of the hot-rolled strips were further corroborated with the aid of CCT diagrams.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 2A; 619-626
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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