Erosion and erosion-corrosion performance of cast and thermally sprayed nickel-aluminium bronze


Barik, R.C., Wharton, J.A., Wood, R.J.K., Tan, K.S. and Stokes, K.R. (2003) Erosion and erosion-corrosion performance of cast and thermally sprayed nickel-aluminium bronze. In, RTO AVT Specialists’ Meeting on “The Control and Reduction of Wear in Military Platforms”, Williamsburg, USA, 07 - 09 Jun 2003. RTO-MP-AVT-10925pp, 17-17.

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Description/Abstract

Nickel-Aluminum Bronze (NAB) is widely used for propulsion and seawater handling systems in naval platforms. It is selected because of its attractive combination of toughness and shock resistance but it has inherent susceptibility to selective phase corrosion and erosion-corrosion. In order to extend the life of NAB components, modern coating techniques are being considered in order to confer improved wear and corrosion resistance, as well as a method of providing cost effective refurbishment.

This paper presents research into erosion and erosion-corrosion of both "as cast" and thermally sprayed NAB. The synergistic effects based on mass loss measurements obtained from pure erosion (E), flow corrosion (C) and erosion-corrosion (T) experiments are presented under a range of energies that relate to maritime operation conditions. The influence of synergy was found to be dependent on flow energy and could be either beneficial or detrimental. The results of this work assist with material selection for controlled or reduced material loss in marine vessels.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Subjects: T Technology > T Technology (General)
V Naval Science > V Naval Science (General)
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 23317
Date Deposited: 12 Jul 2006
Last Modified: 27 Mar 2014 18:12
URI: http://eprints.soton.ac.uk/id/eprint/23317

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