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Title: Contact angle measurement of molten lead–lithium on silicon carbide surfaces
Authors: Ueki, Yoshitaka
Nagai, Keiichi
Kunugi, Tomoaki  kyouindb  KAKEN_id
Hirabayashi, Masaru
Ara, Kuniaki
Yonemoto, Yukihiro
Hinoki, Tatsuya  kyouindb  KAKEN_id
Author's alias: 植木, 祥高
Keywords: Lead–lithium
Silicon carbide
Contact angle
Issue Date: Oct-2011
Publisher: Elsevier B.V.
Journal title: Fusion Engineering and Design
Volume: 86
Issue: 9-11
Start page: 2297
End page: 2300
Abstract: Measurements of the contact angles at the different temperatures of a molten lead–lithium eutectic alloy (PbLi) droplet on a silicon carbide (SiC) wall are needed for the research and development both of a magnetic confinement fusion (MCF) and an inertia confinement fusion (ICF) blankets. PbLi coolant/breeder flows in the coolant channel, which is made of the SiC walls, and will experience a flow slip at the wall, called as a magnetohydrodynamic (MHD) slip flow. The ICF blanket adopts a molten PbLi film flow along the first wall made of SiC. The PbLi contact angle database is necessary as the thermal property for numerically predicting the behavior of the flowing molten PbLi film. This study attempts the measurement of the contact angles between the molten PbLi and the various SiC surfaces. For example, in order to examine the initial PbLi wettability, we measured the contact angles of a chemical vapor deposition (CVD) SiC, a nano-infiltration and transient eutectic-phase (NITE) SiC/SiC composites, and a NITE SiC in an inert atmosphere. We obtained the contact angle database of the molten PbLi, varying the temperature of PbLi from 250 to 400 °C, on a surface-polished as well as an unpolished SiC.
Rights: © 2011 Elsevier B.V.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/149207
DOI(Published Version): 10.1016/j.fusengdes.2011.02.071
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