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09184 Cavitation Erosion Behavior of Epoxy-, Vinyl ester-, and Phenolic-based Fiber Glass Composites in Sea Water

Picture for 09184 Cavitation Erosion Behavior of Epoxy-, Vinyl ester-, and Phenolic-based Fiber Glass Composites
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Product Number: 51300-09184-SG
ISBN: 09184 2009 CP
Author: Gasem Fallatah, A.Hameed Al-Hashem and Hasan Tarish
Publication Date: 2009
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A cavitation testing facility was used to study the cavitation erosion behavior of three fiber glass reinforced epoxy, vinyl ester and phenolic in sea and formation waters. The cavitation tests were made at a frequency of 20 KHz as per ASTM-G30-90 and at temperatures of 250C and 500C. Cavitation increased the rate of mass loss of these three fiber glass reinforced plastics by several orders of magnitude with respect to stagnant conditions. Cavitation made the surface of these three fiber glass reinforced plastics to appear very rough, exhibiting large cavity pit in the region of the attacked area as revealed by the scanning electron microscope (SEM). The main mechanisms of failure for the three systems were due to loss of adhesion of the matrix / fiber glass interface and subsequent removal of the resin as well as glass fibers by the mechanical action of cavitation or erosion. Mechanical factors and surface defects were determined to be the leading cause of resin and glass fiber loss.

Keywords: Cavitation, epoxy, vinyl ester, phenolic, seawater, formation water
A cavitation testing facility was used to study the cavitation erosion behavior of three fiber glass reinforced epoxy, vinyl ester and phenolic in sea and formation waters. The cavitation tests were made at a frequency of 20 KHz as per ASTM-G30-90 and at temperatures of 250C and 500C. Cavitation increased the rate of mass loss of these three fiber glass reinforced plastics by several orders of magnitude with respect to stagnant conditions. Cavitation made the surface of these three fiber glass reinforced plastics to appear very rough, exhibiting large cavity pit in the region of the attacked area as revealed by the scanning electron microscope (SEM). The main mechanisms of failure for the three systems were due to loss of adhesion of the matrix / fiber glass interface and subsequent removal of the resin as well as glass fibers by the mechanical action of cavitation or erosion. Mechanical factors and surface defects were determined to be the leading cause of resin and glass fiber loss.

Keywords: Cavitation, epoxy, vinyl ester, phenolic, seawater, formation water
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