A coal gasification materials program directed at developing engineering data on materials is described. Included are initial results on materials exposed in 6.9 MPa (1000 psi) simulated gasifier atmospheres at 755° K (900° F), 1089° K (1500° F), and 1255° K (1800° F); a 1 MPa (150 psi) simulated regenerator atmosphere at 1285° K (1850° F); and in pressurized aqueous environments simulating gasifier quench towers. Erosion/corrosion tests, scheduled to begin in the near future, are also described. Comparison of simulated exposure results with data from early interrupted exposures in two operating pilot plants are reported indicating reasonable agreement except for a few pilot plant specimens which appeared to deteriorate rapidly because of operating conditions not thought previously to be corrosive.

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