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Irregular fluctuations in operating parameters of process plant render precise laboratory simulation of operating conditions difficult or even impossible to achieve. For gas turbines, burner rigs have long provided the means for materials evaluation. The main advantage of burner rigs over simpler, more traditional laboratory furnace test procedures is their ability to produce complex dynamic combustion environments in a closely controlled manner. This study used a low velocity burner rig to test IN738, IN792, UD720 and MA6000 in a combustion environment produced by burning a 1 % sulphur fuel in salt contaminated air. At 900 C, formation of liquid Na(2)SO(4) produced a very aggressive environment in which Type I hot corrosion could occur. Corrosion assessment was evaluated in the study by weight change, corrosion product composition and metal loss measurements. The benefits of the use of these methods are discussed with a view to formulating standard corrosion test methodologies.

Additional information

Authors: BAXTER D J, JRC Petten (NL);JONAS H, JRC Petten (NL);BURKE A, JRC Petten (NL);NORTON J F, JRC Petten (NL);BREGANI F, ENEL-CRAM, Milano (IT)
Bibliographic Reference: Paper presented: Materials for Power Engineering, Liège (BE), October 3-6, 1994
Availability: Available from (1) as Paper EN 38454 ORA
Record Number: 199411074 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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