表面技術
Online ISSN : 1884-3409
Print ISSN : 0915-1869
ISSN-L : 0915-1869
銅 (II)-EDTA溶液からの銅電析におよぼす静水圧の影響
呉 文昌千葉 淳中西 和美
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1992 年 43 巻 10 号 p. 983-986

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The collapse of cavitation bubbles in liquids resulted in a shock wave pressure, a jet flow and a water hammer pressure due to the jet flow. The cavitation action improved the physical and chemical properties of the deposited films. Micro-Vickers hardness increased with the occurrence of elastic deformation and strain hardening of crystals, or the space lattices in the crystals were crushed. Porosities decreased because the hydrostatic pressure pushed the deposited particles into the pinholes. It is considered that the crystal dislocation produced was in excess of 0.2MPa, and that the energy due to hydrostatic pressure was sufficient to account for the crystal dislocation.

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