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Wyszukujesz frazę "Leong, Z." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Combined Atom Probe Tomography and TEM Investigations of CoCrFeNi, CoCrFeNi-Pd_x (x=0.5, 1.0, 1.5) and CoCrFeNi-Sn
Autorzy:
Cornide, J.
Calvo-Dahlborg, M.
Chambreland, S.
Asensio Dominguez, L.
Leong, Z.
Dahlborg, U.
Cunliffe, A.
Goodall, R.
Todd, I.
Powiązania:
https://bibliotekanauki.pl/articles/1402078.pdf
Data publikacji:
2015-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.66.Dk
Opis:
The structure of a family of high entropy alloys based on the composition CoCrFeNi, to which Pd and Sn have been added, is presented. The results stem from combined investigations by atom probe tomography as well as by scanning and transmission electron microscopy on samples produced by arc melting. Although CoCrFeNi is of fcc structure, the sample is not homogeneous on atomic scale. The addition of Pd as a fifth element retains the fcc lattice with the indication of the coexistence of at least two additional phases. The addition of Sn changes the general structure considerably.
Źródło:
Acta Physica Polonica A; 2015, 128, 4; 557-560
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Crystalline Structures of Some High Entropy Alloys Obtained by Neutron and X-Ray Diffraction
Autorzy:
Dahlborg, U.
Cornide, J.
Calvo-Dahlborg, M.
Hansen, T.
Leong, Z.
Asensio Dominguez, L.
Chambreland, S.
Cunliffe, A.
Goodall, R.
Todd, I.
Powiązania:
https://bibliotekanauki.pl/articles/1402077.pdf
Data publikacji:
2015-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.05.cp
61.05.fm
61.66.Dk
Opis:
The understanding of the structure and the stability of high entropy alloys is still incomplete and the mechanisms behind the composition-property relationships are unclear. One reason is that few systematic and accurate determinations of their composition-dependent structure on atomic level have been made. In this paper some results on the structure obtained by X-ray and neutron diffraction of the CoCrFeNi alloy, to which Pd, Sn and Cu have been added in different amounts, are reported. The investigations make it obvious that none of the alloys is completely homogeneous, as has earlier been suggested, and that they do not form a perfect solid solution.
Źródło:
Acta Physica Polonica A; 2015, 128, 4; 552-556
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exterior Noise Due to Interaction of Tyre-Thermoplastic Transverse Rumble Strips
Autorzy:
Haron, Z.
Othman, M. H.
Hee, L. M.
Yahya, K.
Hainin, M. R.
Darus, N.
Leong, M. S.
Powiązania:
https://bibliotekanauki.pl/articles/176338.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
transverse rumble strips
vehicle speed
noise problem
Opis:
Transverse rumble strips (TRS) are a common choice to reduce vehicle speed and increase driver alertness on roadways. However, there is a potential trade-off using them on rural roadway due to the noise problem created when vehicles go over the strips. The present study investigated the noise level, spectral analysis, and the possible noise generation mechanism when the TRS is hit by a vehicle. Tenraised-rumbler (RR) and three-layer-overlapped (TLO) TRS were selected in this study as they have received complaints from the public. Results showed that RR generated a relatively higher noise and impulse at a low speed, and increased sound level in each octave band. Based on these results, RR may irritate human ears even when the vehicle travels at a low speed. It was found that RR increased all noise generation mechanisms of tyre-pavement interaction whilst TLO increased structural resonance, sidewall and surface texture vibration.
Źródło:
Archives of Acoustics; 2017, 42, 3; 449-457
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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