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Evaluation of Abrasive Wear of Polymeric Materials Using Single-Pass Pendulum Scratching

[+] Author Affiliations
Marcelo Torres Piza Paes, Antonio Marcos Rego Motta

Petrobras, Rio de Janeiro, RJ, Brazil

Lauro Lemos Lontra Filho

Petrobras, Macaé, RJ, Brazil

Juliano Oséias de Morais, Sinésio Domingues Franco

Federal University of Uberlândia, Uberlândia, MG, Brazil

Paper No. OMAE2002-28250, pp. 211-216; 6 pages
doi:10.1115/OMAE2002-28250
From:
  • ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering
  • 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 3
  • Oslo, Norway, June 23–28, 2002
  • Conference Sponsors: Ocean, Offshore, and Arctic Engineering Division
  • ISBN: 0-7918-3613-4 | eISBN: 0-7918-3599-5
  • Copyright © 2002 by ASME

abstract

Scratching abrasion due to rubbing against the sediment layer is an important degradation mechanism of flexible cable in deep water oil and natural gas exploitation. The present study was initiated to gain relevant data on the wear behaviour of some commercial materials used to externally protect these cables. So, Comparison tests were carried out using the single-point scratching technique, which consists of a sharp point mounted at the extremity of a pendulum. The energy dissipated during the scratching is used to evaluate the relative scratch resistance. The results showed, that the contact geometry strongly affects the specific scratching energy. Using SEM imaging, it was found, that these changes were related to the operating wear mechanisms. The observed wear mechanisms are also compared with those observed on some cables in deep water operations.

Copyright © 2002 by ASME
Topics: Wear , Pendulums

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