Zobrazeno 1 - 10
of 53
pro vyhledávání: '"K F, Kelton"'
Autor:
D. M. Matson, L. Battezzati, P. K. Galenko, Ch.-A. Gandin, A. K. Gangopadhyay, H. Henein, K. F. Kelton, M. Kolbe, J. Valloton, S. C. Vogel, T. Volkmann
Publikováno v:
npj Microgravity, Vol 9, Iss 1, Pp 1-14 (2023)
Abstract Space levitation processing allows researchers to conduct benchmark tests in an effort to understand the physical phenomena involved in rapid solidification processing, including alloy thermodynamics, nucleation and growth, heat and mass tra
Externí odkaz:
https://doaj.org/article/614da575a79e445f812bcb86a28c27a1
Autor:
A. K. Gangopadhyay, M. E. Sellers, G. P. Bracker, D. Holland-Moritz, D. C. Van Hoesen, S. Koch, P. K. Galenko, A. K. Pauls, R. W. Hyers, K. F. Kelton
Publikováno v:
npj Microgravity, Vol 7, Iss 1, Pp 1-6 (2021)
Abstract The effect of fluid flow on crystal nucleation in supercooled liquids is not well understood. The variable density and temperature gradients in the liquid make it difficult to study this under terrestrial gravity conditions. Nucleation exper
Externí odkaz:
https://doaj.org/article/0f3dec0ebc114b6a97a084f8da82bd0f
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-6 (2021)
The breakdown of classical nucleation theory at low temperatures for silicate glasses has been a puzzle for decades. Here, Xia et al. show with a long-term experiment for the specific case of a barium-silicate glass that this anomaly is in fact an ar
Externí odkaz:
https://doaj.org/article/704be31d41744ad6b31cac41617d9dae
Autor:
Matthew E. McKenzie, Binghui Deng, D. C. Van Hoesen, Xinsheng Xia, David E. Baker, Aram Rezikyan, Randall E. Youngman, K. F. Kelton
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Abstract Nucleation is generally viewed as a structural fluctuation that passes a critical size to eventually become a stable emerging new phase. However, this concept leaves out many details, such as changes in cluster composition and competing path
Externí odkaz:
https://doaj.org/article/f5f3f34f264947b089d4a35e8f3b4525
Publikováno v:
Physical Review Research, Vol 4, Iss 4, p 043047 (2022)
Liquids realize a highly complex state of matter in which strong competing kinetic and interaction effects come to life. As such, liquids are, generally, more challenging to understand than either gases or solids. In weakly interacting gases, the kin
Externí odkaz:
https://doaj.org/article/b1af228541fc4aafbd31eadecd058b90
Publikováno v:
Physical review. E. 106(5-1)
Possible fundamental quantum bounds for viscosity and many other physical properties have drawn serious considerations recently from diverse communities encompassing those studying quantum gravity, high-energy physics, condensed matter physics, stron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74cd655a50430845da2fde67cf556472
https://pubmed.ncbi.nlm.nih.gov/36559414
https://pubmed.ncbi.nlm.nih.gov/36559414
Publikováno v:
The Journal of Chemical Physics. 157:194501
The results of a combined experimental and computational investigation of the structural evolution of Au81Si19, Pd82Si18, and Pd77Cu6Si17 metallic glass forming liquids are presented. Electrostatically levitated metallic liquids are prepared, and syn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::380f2ecaf4ea8a625abd079a99cf0458
https://doi.org/10.1063/5.0123907
https://doi.org/10.1063/5.0123907
Publikováno v:
The Journal of chemical physics. 152(16)
The structural evolution of the equilibrium and supercooled Cu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::739ff4cae25c1960db87f7a19d29bce3
https://pubmed.ncbi.nlm.nih.gov/32357795
https://pubmed.ncbi.nlm.nih.gov/32357795
Publikováno v:
The Journal of chemical physics. 152(7)
Even though the viscosity is one of the most fundamental properties of liquids, the connection with the atomic structure of the liquid has proven elusive. By combining inelastic neutron scattering with the electrostatic levitation technique, the time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::27d337ea7509157ce0d9494a8696a7dc
https://pubmed.ncbi.nlm.nih.gov/32087649
https://pubmed.ncbi.nlm.nih.gov/32087649
Publikováno v:
Journal of Alloys and Compounds. 725:1217-1222
From measurements of X-ray and neutron scattering of electrostatically levitated Zr 77 Rh 23 liquids, a variety of metastable crystallization behavior was observed. The metastable phase selection in deeply undercooled liquid droplets is characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09fbb17ecceb57e64fb06f09fc13d7c9
https://doi.org/10.1016/j.jallcom.2017.07.241
https://doi.org/10.1016/j.jallcom.2017.07.241