高熔点金属区域熔炼中晶体生长角和凝固速率对熔区稳定性的影响
李双明, 耿振博, 胡锐, 刘毅, 罗锡明

EFFECT OF GROWTH ANGLE AND SOLIDIFICATION RATE ON THE FLOATING ZONE STABILITY FOR PROCESSING OF HIGH-TEMPERATURE PURE METALS
LI Shuangming, GENG Zhenbo, HU Rui, LIU Yi, LUO Ximing
表1 5种高熔点金属的物性参数[13,14]
Table 1 Physical parameters for five pure metals with high melting points[13,14]
Metal r / (g·m-3) Tm / ℃ gsl / (mN·m-1) glv / (mN·m-1) a / (°) hmax / mm
Ir 20.00 2443 411 2241 10.6 8.4
Mo 9.34 2620 464 2110 12.7 11.9
Nb 7.83 2468 347 2335 8.4 13.7
Ta 15.00 2950 415 2467 9.7 10.1
W 16.20 3370 510 2676 12.0 10.2