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Keywords: graded porosity
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Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2009, 131(9): 091011.
Published Online: August 19, 2009
.... An innovative procedure to create cellular structures has been described in this paper. A polymeric foam was designed to present a graded porosity in its cross section, using ultrasonic irradiation to control the distribution of pores. During the foam polymerization reaction, the acoustic pressure in the water...