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A whirling-arm erosion-corrosion rig has been designed and constructed to allow studies under gaseous conditions of high-sulphur, low-oxygen activities at high temperatures; these environments are pertinent in processes such as gasification of coal and catalytic cracking of oil. The system can operate at particle impact velocities up to 30 m s -1 , particle impact fluxes up to 1 g cm...
NaCl-induced hot corrosion of a TiAl-based intermetallic, Ti-47at.%Al-2at.%Nb-2at.%Mn + 7 vol.% TiB 2 , was studied. Sodium chloride was vapor deposited on the surface of the specimens. The reaction of the metal, oxygen and deposited sodium chloride caused the formation of a non-protective scale and accelerated the oxidation of the alloy. Pits and possible grain boundary attack were observed...
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