Figure 6
From: Microstructure and performance of rare earth element-strengthened plasma-facing tungsten material

Surface FESEM micrographs of polished and etched (a) pure W; (b) W-2%Lu; (c) W-5%Lu; and (d) W-10%Lu.
From: Microstructure and performance of rare earth element-strengthened plasma-facing tungsten material

Surface FESEM micrographs of polished and etched (a) pure W; (b) W-2%Lu; (c) W-5%Lu; and (d) W-10%Lu.