Paper Title:
Tribological Behaviour of an A355 Steel Pipe Welding
  Abstract

This work studies the behaviour of welding joints under abrasive wear in A355 Gr. P11 steel pipes carrying liquids at high temperatures. Various welding processes were tested on different joints in an effort to choose the one that gave the best wear response. For this purpose, a pin-on-disk tribometer was used at 200°C to simulate the service conditions of the pipes. The tests were carried out by pressing a hard chromium-plated steel pin, with a diameter of 4 mm and hardness of about 775 HV, on steel specimens in order to measure their mass loss and friction coefficient in the three welding zones: base metal (BM), heat affected zone (HAZ) and weld bead (WB). The tests conditions were 10 N of load, 200 rpm of rotation velocity and a radius of 3 mm. In addition, metallographic studies and hardness measurements of the three welding zones were done to complete this work.

  Info
Periodical
Materials Science Forum (Volumes 587-588)
Edited by
António Torres Marques, António Fernando Silva, António Paulo Monteiro Baptista, Carlos Sá, Fernando Jorge Lino Alves, Luís Filipe Malheiros and Manuel Vieira
Pages
360-364
DOI
10.4028/www.scientific.net/MSF.587-588.360
Citation
A. García, A. Varela, J. Montero, J. L. Mier, S. Zaragoza, F. Barbadillo, "Tribological Behaviour of an A355 Steel Pipe Welding", Materials Science Forum, Vols. 587-588, pp. 360-364, 2008
Online since
June 2008
Keywords
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Price
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