Bubble-Growth for Wetting and Nonwetting System in the Maximum Bubble Pressure Method

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  • Nakae Hideo
    Department of Materials Science and Engineering, Waseda University
  • Fukui Tomoaki
    Department of Materials Science and Engineering, Waseda University

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This paper describes a new measuring apparatus for the maximum bubble pressure method to confirm the pressure change pattern during bubble formation for wetting and nonwetting systems. Generally speaking, a sawtooth pressure pattern has been widely accepted by many researchers in the maximum bubble pressure method. Nevertheless, when the accumulated gas volume is very small, the pressure change pattern shows a chopping wave pattern as theoretically estimated for both systems. These phenomena were confirmed by the observation of the bubbles during the measurement in an aqueous system, and also confirmed by the identical pressure pattern in a mercury system.

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  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 42 (11), 2422-2426, 2001

    公益社団法人 日本金属学会

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