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Information × Registration Number 0204U003766, 0103U006202 , R & D reports Title Investigation of the mechanism and kinetics of formation of the nano-size phase contacts in colloidal systems and at phase boundaries popup.stage_title Head Ivanov Mikhail Alekseevich, Registration Date 27-04-2004 Organization Institute for metal physics NAS Ukkraine popup.description2 Investigation of the mechanism and kinetics of the creation of nanosize contacts was fulfilled for the case of decomposition of a tungsten disilicide layer on tungsten in the copper-silicon melts. The decomposition occurs if the silicon content in the melt is smaller than that at the disilicide - tungsten- melt three-phase equilibrium. The decomposition of a disilicide layer due to selective dissolution of silicon in the melt leads to the formation of a porous, sponge tungsten layer. It was established that the characteristic sizes of the sponge structure is related to the melt composition. The description of this relationship is proposed when the decomposition rate is controlled by the diffusion transport of silicon in the melt. Product Description popup.authors popup.nrat_date 2020-04-02 Close