Fig. 3. (a) Investment reactions of Pt-5Co (flask temperature 850ºC); (b) and (c) energy dispersive X-ray (EDX) analysis of reaction products on position 1 (cobalt oxide) and position 2 (cobalt-magnesium silicate)

Fig. 3. (a) Investment reactions of Pt-5Co (flask temperature 850ºC); (b) and (c) energy dispersive X-ray (EDX)
analysis of reaction products on position 1 (cobalt oxide) and position 2 (cobalt-magnesium silicate)