Figure 6
(a) Photograph of the overall view of the absorbing surface of the OFC specimen after 1000 cycles with a total power of 550 W. (b) Photograph of the overall view of the absorbing surface of Glidcop specimen for comparison after 75 cycles with 650 W, 160 times with 600 W, and 265 cycles with 550 W. (c) Field-emission scanning electron microscopy photograph of the area around the centre of (a) at 1000× magnification. (d) Photograph of micro-structural observation at the A–A cross section shown in (a). |