超高压烧结制备14Cr-ODS钢及微观组织与力学性能

王韬, 龙弟均, 余黎明, 刘永长, 李会军, 王祖敏

Microstructure and Mechanical Properties of 14Cr-ODS Steel Fabricated by Ultra-High Pressure Sintering

WANG Tao, LONG Dijun, YU Liming, LIU Yongchang, LI Huijun, WANG Zumin

表2 bcc结构Fe中原子的扩散系数[32,35] (m-2·s-1)

Table 2 Diffusion coef?cients of constituent in the bcc lattice Fe at 800 and 1150oC[32,35]

Element 800oC[35] 1150oC[32] Y 2.8 × 10-20 2.9 × 10-17 Ti 2.5 × 10-15 3.7 × 10-13 O 5.7 × 10-13 1.5 × 10-10