- 1.59 - 12,000 -j-----jTungsten seed P = 100 atm T(0) =20,000'K 10,000 0 8,000 z H w 6,000 D 4,000 - Graphite melting Temperature 2,000 0 __ 3 L - _ I , I I I 0 .04 .08 .12 .16 Seed ratio, s Figure 19. Effect of coolant seeding on graphite temperature.