Controlled microwave heating and melting of silica, alumina, and aluminosilicate gels were achieved in a 600-W domestic-type oven. The microwave absorption mechanism of these gels is not yet clear. However, parameters were defined whereby rapid heating (including melting) is achieved for these gels...
Asynchronous melting of embedded metal nanoparticles and silica matrix for shape elongation induced by swift heavy ion irradiation Although the mechanism of shape-elongation of nanoparticles (NPs) by swift-heavy-ion-irradiation is still under debate, melting and solidification of NPs f... H Amekura,...
The dependencies of the melting point and the lattice parameter of supported metal nanoclusters as functions of clusters height are theoretically investigated in the framework of the uniform approach. The vacancy mechanism describing the melting point and the lattice parameter shifts in nanoclusters with ...
We also note that while our finite nanocrystal size distri- bution could lead to DSC signal broadening, this mechanism is insufficient to explain our experimental measurements. The FWHM of our DSC signals are 2–11 times larger than what can be expected from nanocrystal size distribution (Table ...
The variation of the coalescence rate with temperature provides an insight into the microscopic mechanism of partial coalescence, especially regarding the role of solid/liquid coexistence within the droplets. The results support the assumption that partial coalescence involves irreversible bridging between a...
A binary mixture of silica particles (ratio 0.55:0.45) with diameters σs = 2.4 μm and σl = 3.34 μm was added to the solvent which was contained in a sample cell with 100 μm in height. Due to gravity the particles sediment towards the bottom of the cell where they ...
on the physical properties of the po... ONO,Masao - 《Journal of the Ceramic Association Japan》 被引量: 0发表: 1961年 Fine glass particle-deposition mechanism in the VAD process In order to achieve a high fiber preform production rate, the deposition mechanism in the VAD process has been...
Final polishing was performed using an alumina suspension for porosity analysis and subsequently with a 0.04 μm colloidal silica suspension for electron backscatter diffraction (EBSD) measurements. For the porosity measurements, the samples were polished such that only the pores present could be ...
This study investigates the use of Diode Area Melting (DAM) to process 316L stainless steel (SS316L), an alternative to Laser Powder Bed Fusion (LPBF), uti
Mass transport mechanism between the upper and lower mantle in numerical simulations of thermochemical mantle convection with multicomponent phase changes explaining the formation of a depleted reservoir in the upper mantle without implementing dehydration-induced melting and differentiation in the transition zo...